Caterpillar c7 heui pump

Spare Parts Hydraulic Pumps Caterpillar Motors C7 and C9. Caterpillar HEUI Pumps Parts; Caterpillar HEUI Repair Kit Pumps; Caterpillar 3126 and 3126B Repair Kit Pumps ; Injector Pumps Star type EUP-PLD; Repair Tools; Parts for Registering Plate Piston EUI-EUP-PLD; Piston for Injector Pumps type Iveco-Scania-Volvo; Piston for Injector Pumps type ...

A faulty HEUI pump or a faulty injection actuation pressure sensor that is located in the head. It has three wires. The two wire connection on the pump is for the control valve in the pump. This code is caused by the sensor in the head reading erratic or a Heui pump that actually has an erratic pressure.20R-0642: Cat® Reman Engine Overhaul Kit HEUI-C7 Cat® Reman C7 HEUI fuel system kit includes 6 Cat Reman fuel injectors plus Cat Reman HEUI pump, Injection Actuation …Here are 14 steps to follow to take out and install a new heui pump on a Caterpillar C7 or C9 engine. Remove the two 10 millimeter bolts with 16 millimeter heads hold the heui pump onto the engine. Remove the oil supply line to the pump. Remove the fuel filter housing. If the coolant line runs over the compressor you’ll have to remove that.Cat® Reman C7 HEUI fuel system kit includes 6 Cat Reman fuel injectors plus Cat Reman HEUI pump, Injection Actuation Pressure (IAP) sensor, harness, hold-down bolts, seals, and O-rings. 20R-0641: Cat® Reman Engine Overhaul Kit HEUI-Powerpack-C7 | Cat® Parts StoreThis C7/C9 fuel pump repair kit includes the following spare parts: Fuel pump fuel seals, rubber O-rings, fuel transfer pump shaft, fuel pump gaskets, fuel pump bearings. Each part inside the repair kit has the right quantity a fuel pump needs for a repair. We have a large range of spare parts for both CAT injectors and CAT fuel pumps, shown below.

Get C7/C9 HEUI Pump Cat in Surat, Gujarat at best price by Siddhi Diesels. Also find price list from verified suppliers with contact number | ID: ...Brenda asks, “We have an enormous number of caterpillars in our yard this spring. Why is this and how do we control them?”Not all caterpillars are the same. Before you do anything ...185-3241: 92.41mm Inner Diameter O-Ring Seal. Description: Fuel injection pumps drive fuel into the cylinders of engines. Attributes: Cat® Reman parts provide same-as-new performance and reliability at fraction-of-new costs, while reducing the impact on the environment. : This product can expose you to chemicals including Lead and lead ...ZENITH K2226 CARBURETOR REBUILD KIT. $52.99. Find many great new & used options and get the best deals for Genuine OEM CAT Caterpillar Heui Pump 319-0680 C7 C9 Fast Ship at the best online prices at eBay! Free shipping for many products!If you have any questions or need help, feel free to contact our team. 800-827-7455. P.O. Box 650 Jasper, IN 47547-0650. JASPER® remanufactured CAT C7 HEUI diesel engines are built to exacting requirements in order to meet or exceed OEM measured standards and have a nationwide, transferable parts and labor warranty.

GENUINE NEW Caterpillar Heui Pump/High Pressure Oil Pump. C7 & C9. 10R8899 20R6642 # 319-0680-01. High flow pump fits most c7-c9’s send us your ESN to verify Item:24914532. $750.00. with exchange. Cat C7 Engine Heui Pump - Rebuilt | P/N 10R8899. REBUILT - Reman heui pump. Part #: Engine HP: Item:CAT 10R8899. … 3190680 - pump C9/C7 made to fit Caterpillar Brand: Caterpillar OEM code: 3190680 Dimensions. Package weight: 23.3 lbs (10. ... Cat® Reman Hydraulic Fuel Injection Pump used in Fuel System 10R8899 CATERPILLAR REMANUFACTURED C7 HEUI HIGH PRESSURE OIL PUMP CATERPILLAR 10R8899 Pump Group Hydraulic Replaced by 20R6642 ITEM: CAT CATERPILLAR PUMP GP-FUEL INJECTION 10R8899 Part number: 10R8899 319-0678 Application: CAT C7 C9 Condition: Remanufacture BRAND CAT Packaging Details: 1set/box Warranty: 3 month.Jul 13, 2016 ... How To Troubleshoot HEUI Systems and IAP faults. 164 Faults. 3126, C7, and C9 Cat Engines. · Comments287.

Is zupas healthy.

Email Us Get answers from the pros. 1-844-487-2787. Remanufactured Caterpillar 7.2 C7 High Pressure Oil Pump part number 10R8898, 10R2982, 10R6330. This pump features a one year warranty.14. Check the Oil Pressure at the Pump (High Pressure Pump Test) A. Turn the key to the “OFF” position. B. Reconnect the connector for the injector harness at the valve cover and install the valve …The Caterpillar C7 engine is an line 6 cylinder diesel fueled engine with a displacement of 7.2 liters. The maximum heavy duty hp dry weight is 1,425 lbs., with an oil capacity of 4.75 gallons or 6.75 gallons with the deeper sump pump and oil pan. The cooling system and water pump allow up to 3.99 gallons.IFS by Delam Solutions, LLC Lodi, Ohio 44254 . 330 416-5626. Home; The IFS Kit; How the HEUI System Works; Our ProductsSep 21, 2015 ... Comments1 ; How to repair Caterpillar (CAT) C7C9 HEUI Pump-ZQYM Diesel. ZQYM diesel system common rail test bench · 14K views ; How to repair C7/C9 ...

319-0676 Genuine Caterpillar Heui High Pressure Oil Pump For Cat C7. $1,149.00. SOLD OUT. From $103.71/mo with. Check your purchasing power.14. Check the Oil Pressure at the Pump (High Pressure Pump Test) A. Turn the key to the “OFF” position. B. Reconnect the connector for the injector harness at the valve cover and install the valve …A faulty HEUI pump or a faulty injection actuation pressure sensor that is located in the head. It has three wires. The two wire connection on the pump is for the control valve in the pump. This code is caused by the sensor in the head reading erratic or a Heui pump that actually has an erratic pressure.10R8897 Reman Cat high pressure pump. The pump has a new sealing ring preinstalled and is covered with a 12 month unlimited mile/hour warranty. ***WE CAN DO REPAIR AND RETURN OF YOUR PUMP!!! CALL US FOR DETAILS!!!!*** APPLICATIONS. C7 Liter CAT Engines; C9 Liter CAT Engines; 3126B Cat Engines; 3126E Cat Engines; CROSS …The engine oil pump delivers low pressure oil through the engine oil filter you normally change. The filtered low pressure engine oil is also delivered to the HEUI reservoir. The HEUI then pumps high pressure oil (800-4,200 psi) to the engine head. Once in the head the oil is directed to each injector through the heads common oil rail passage.There is a special Cat tool needed to remove the line. The Cat part number of the tool is 192-5092. The tool slips into the groove in the line and releases the clip and the line will pull right off. Please reply back if you need more help or have more questions. I am happy to assist.D&W Remanufactured Caterpillar (CAT) HEUI High Pressure Oil Pump. Part Number: 243-012-0004. Condition: Remanufactured. Register Login. Details; Applications; Cross Reference; Condition: Remanufactured. …Caterpillar Diesel Fuel Injectors: Spare parts for the following Caterpillar injectors and pumps: CATERPILLAR 3116, 3226, 3406, C15 3406E, C10 / 3176C, C7 HEUI and many others. Request a quote. ... 10R-4763 CATERPILLAR C7 HEUI - P. 104. 10R-7224 CATERPILLAR C9 HEUI - P. 130. 10R-7673 CATERPILLAR C6.6 (326-4700) - P. 190.Replacement Non-Original Caterpillar C7 & C9 HEUI Fuel Pumps. The Hydraulically actuated Electronically controlled Unit Injectors ( HEUI) use a hydraulic pump and engine oil to generate fuel injection pressure, and an ECM to control the pressure and amount of fuel injected into the cylinders. The operation of the HEUI fuel system is completely ...Caterpillar C7 Engine Heui Pump, Part# 10R-8899 $750 USD (GOOD USED) Caterpillar C7 10R-8899 HEUI Pump For Sale, 319-0677, Serial# 27717058, Compatible with the Following: Forest Products: 573 584 584HD; Wheel-Type Loader: 950H 962H; Material...1. Caterpillar Roots. HEUI was a joint venture between Caterpillar and Navistar (i.e. International) and was introduced in 1993. Thanks to being electronically controlled via a computer, it was the first system whereby fuel pressurization and injection timing could be varied independently from engine speed.Lets try and pull the flash codes with the cruise control switches to be sure. If you have never done this, here is how. Turn key on, engine off. Turn cruise off. Hold set or resume switch until yellow light starts blinking. Count the blinks. For example, blink, blink, pause, blink, blink, blink is a code 23. All flash codes are two digits.

Note: this Caterpillar electric fuel pump was made for continuous running on off road equipment, and on road trucks. The constant fuel flow and pressure it provides will meet and exceed requirements for Caterpillar C-9 engine and down to Caterpillar 3126. It will run 100 % of the time with little or no problems.

HPOP (High-Pressure Oil Pump) filter kits are essential components in diesel engines, including Caterpillar C7 and C9 engines. These kits play a vital role by filtering oil before it enters the HPOP, removing contaminants, protecting the pump and downstream components, ensuring consistent fuel pressure, enhancing engine performance, and …3190680 pump C9/C7. Price: $1,625.00. Stock: 4 available. Related Items: 3040680. ... * G&T ENGINE PARTS is not an authorized dealer for Caterpillar and we don't ...Caterpillar C7 Engine Heui Pump, Part# 10R-8899 for sale in Florida for $750.00 USD. View photos, details, and other Engine Heui Pumps for sale on ...Nov 7, 2017 · Location: East Texas. Posts: 2,269. New Measures to Protect Your HEUI Pump. The guy that does the YouTube “Adept Ape” videos on Cat engines recently came out with an interesting video on how to “Bullet Proof” the Cat 3126, C7 & C9 engines. As most experienced and/or informed Cat engine owners know, one of the most vulnerable parts on ... Symptoms are. At 150 degrees throttle would decelerate to 1200 rpms and rise 200 rpms at a time after about each temp change by 3-5 degrees until 175 was reached then full throttle was back and rv was ready for travel. At part throttle engine surging was pretty bad.Advertisement All of the hydraulic systems on a backhoe get their hydraulic pressure from a hydraulic pump. There are two types of pumps in common use: In a gear pump, a pair of in...Used CAT C7 Engine Heui Pump for sale. CAT C7 heui pump, P/N 304-0678, visually inspected only . Item SKU: 24902370. Price: $750.00. OEM#: 304-0678. Condition:

Mecklenburg county nc tax assessor.

Waterford glassware patterns.

Has anyone recently replaced their HEUI pump on a C7 Cat engine? I have been told mine is probably needing to be replaced and am wondering about a ballpark …How To Know If The HEUI Pump Is Not Working Properly? The most common problem with fuel pumps like CAT C7 HEUI is the low or no engine output . It is very important to keep an eye on your fuel pump system because there are some prominent signs that can tell you when your HEUI pump is not working properly. You have to look out for these things ...If you have any questions or need help, feel free to contact our team. 800-827-7455. P.O. Box 650 Jasper, IN 47547-0650. JASPER® remanufactured CAT C7 HEUI diesel engines are built to exacting requirements in order to meet or exceed OEM measured standards and have a nationwide, transferable parts and labor warranty.Machinery giant Caterpillar has stunned investors with an announcement it will write off $580 million of the value of an acquisition in China, after alleging the firm it purchased ...I am dealing with a 2005 GMC C7500 with a C7 Cat. About a year ago this truck had a minor surging problem. I ran Seafoam through a couple of tanks of fuel and the problem went away. ... Only ever had one C7 heui pump changed, and that was under warranty at 1200 hours. All my C7's are in excavators, though. Brian '13 Hyundai …We pride ourselves in superior craftsmanship, quality product lines, and responsive in-house customer service. As leaders in the diesel injection system remanufacturing and refurbishing industry for over 5 decades, you can shop in confidence. CAT C7 HEUI DIESEL FUEL INJECTOR SET OF 6 - 10R4763. SKU: 440-9206-6.Description. Description: High Pressure Pump. Application: Caterpillar 324d / 329d / 330d / 336d Engine C7 / C9 Pump. Condition: New. Brand: Caterpillar. Part Number: 319-0676. Other Oem Part Numbers That Will Work: Replaces the following part numbers. 10R-2982 10R-6330 10R-7146.... Cat C7 highway engine. I already made what is on my hands. I changed the high press pump three times or may be more, the injector O rings ...Caterpillar C7 HEUI Pump Core - Not working - For parts or repair Part# 10R-8897 Pump rotates... 1-855-851-6216 Email Seller More Details Goodwin's Truck & Equipment. Used 2008 CAT C7 Fuel Gear Pump Engines & Engine Parts / Fuel Gear Pumps. $25.00 ...Advertisement In your car, the main parts of the powertrain are the engine and transmission. In a skid steer loader, the powertrain consists of a diesel engine and a set of hydraul...Note: this Caterpillar electric fuel pump was made for continuous running on off road equipment, and on road trucks. The constant fuel flow and pressure it provides will meet and exceed requirements for Caterpillar C-9 engine and down to Caterpillar 3126. It will run 100 % of the time with little or no problems.The CAT C7 engine has a HEUI pump, a fuel system that minimizes fuel consumption. HEUI is an acronym for hydraulically-actuated electronically-controlled unit injector. This system supplies enough fuel injection pressure, not minding rotational speed, invariably boosting fuel economy. ….

Shop Caterpillar's C7 Diesel Engines Remanufactured HEUI Pump 10R8899 Injectors Available OE# 10R1308, 10R3144, 10R6327, 10R7147, 20R064 More How To Change A HEUI Cat C7, 3126, And C9, 52% OFF CAT C7 HEUI High Pressure Oil Pump – …Here are 14 steps to follow to take out and install a new heui pump on a Caterpillar C7 or C9 engine. Remove the two 10 millimeter bolts with 16 millimeter heads hold the heui …Feb 10, 2022 · At idle the HEUI should produce 825-850 psi. While under full load you should see around 4,100 psi. IF your IAP sensor is original then you may want to spend the 170.00 and replace first. The IAP can send bogus pressure values to the ECM and cause the HEUI to only provide less than needed pressures. OK, I believe the confusion is your calling it a high-pressure pump. The high-pressure pump is the Heui pump. You are talking about the injector pump. bar the engine over to TDC both valve loose on #1 cylinder. back the engine up past TDC and when you see 8 degree mark on the damper/flywheel. insert the timed injection pump.Description. Reman Caterpillar C7 HEUI High Pressure Oil Pump 10R8899. Caterpillar (CAT) C7. Replaces the following part numbers. 044604 10R-1308 10R-3144 10R-6327 10R-7147 10R-8899 10R1308 10R3144 10R6327 10R7147 10R8899 20R-6642 20R6642 228-5898 2285898 2430120004 254-4357 2544357 295-4777 2954777 304-0677 3040039 3040677 312-0677 3120677 319-0622 319-0677 3190622 3190677Create an account in just four steps. 1) Select a local Cat dealer store. 2) Create a local dealer profile. 3) Verify your email address. 4) Create your Caterpillar account. Cat® Precious Metals In-frame Engine Overhaul Kits. Available for 3126, 3406E, C12, C13, C15, C16, and C7.Dec 13, 2020 ... CAT 3126 INSTALLAING A NEW HEUI PUMP THE KODIAK LIVES AGAIN, MAYBE ... Проверка клапана насоса активации Caterpillar C7 Cat 962H Checking the Cat ...Description. Reman Caterpillar C7 HEUI High Pressure Oil Pump 10R8899. Caterpillar (CAT) C7. Replaces the following part numbers. 044604 10R-1308 10R-3144 10R-6327 10R-7147 10R-8899 10R1308 10R3144 10R6327 10R7147 10R8899 20R-6642 20R6642 228-5898 2285898 2430120004 254-4357 2544357 295-4777 … Caterpillar c7 heui pump, Oct 28, 2020 · 14. Check the Oil Pressure at the Pump (High Pressure Pump Test) A. Turn the key to the “OFF” position. B. Reconnect the connector for the injector harness at the valve cover and install the valve cover. C. Install the 8T-0852 Pressure Gauge in an accessible port in the high-pressure portion of the injection actuation system. , Mar 31, 2022 · Think this is the schematic I found. Just can’t find names or more info on it. Technician: Nich M. That's the fuel transfer pump mounted on the back of the HEUI pump. The part number is (###) ###-#### I'll pull the procedure information here in a few minutes. And yes you'll need a special bolt. , Phone: +1 717-400-7065. View Details. Email Seller Video Chat. Stock # IEEN- 660-CT Inventory Sheet Engine/Pwr Unit Price $ 8,750 Description C7 CAT Industrial Engine, Year - 2008, 225 HP Make CAT Model # C7 Serial # JT056...See More Details. Get Shipping Quotes. View Details., If all goes well, I am buying my first motor home, a 2006 Fleetwood Expedition, 62k miles Cat C7, Allison MH3000. It's going to a shop for a ..., HEUI pump oil line upgrade from rubber style line. Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. I am trying to get the part number or reference # for the replacement high pressure line for the HEUI pump. My cat dealer says the line has been replaced on …, This is a HEAVY DUTY HIGH VOLUME rebuild of the Caterpillar pumps for the 3126E and 3126B and 3116 HEUI engines. No tuning required. Features: No engine modifications needed- direct bolt in. Fuel pump mounted to HPOP not included. Mounting gasket O-ring included. O-ring to seal HPOP to original fuel pump included. - FUEL PUMP NOT …, 25 Steps to Install C7 & C9 HEUI Pumps Technical Service Bulletin, TSB53018-C To replace your Caterpillar (CAT) C7 or C9 Engine's HEUI pump (fuel pump), please follow the below steps: Remove the two, 10 millimeter bolts with 16 millimeter heads that hold the…, Aug 6, 2019 ... Comments31 · How to repair Caterpillar (CAT) C7C9 HEUI Pump-ZQYM Diesel · How to repair Caterpillar C7 C9 C-9 injector - disassembling, ..., May 28, 2016 ... This video describes and shows how to change a C7, 3126, and C9 engine water pump. These pumps are not hard to change, but there are a few ..., 352K on our 2004 3126E, valves adjusted at 200K...nothing really out of adjustment. 1 Heui pump, a few injectors, then replaced all of them. Still going strong, ..., Filtering Systems For HEUI Pumps. ... Copy Cat Products; Our Filtering Systems Products. Flagship IFS Kit #7400 High Performance Hoses #7400-HS Replacement Element ... , Fuel pressure at the inlet to the secondary fuel filter (8) should read between 400 and 525 kPa (58 to 76 psi) during normal operating conditions under load. At low idle, fuel pressure at the filter inlet (8) should read from 400 to 435 kPa (581 to 63 psi). Fuel pressure to the cylinder head fuel gallery (6) should be as above, less the delta P ..., D&W Remanufactured Caterpillar (CAT) HEUI High Pressure Oil Pump. Part Number: 243-012-0004. Condition: Remanufactured. Register Login. Details; Applications; Cross Reference; Condition: Remanufactured. …, The engine needs at least 870 psi to start. If it is low, you have either a failed Injection actuation pressure control valve in the HEUI pump, a weak HEUI pump, a high pressure oil leak at an injector, or a faulty Injection actuation pressure sensor. To test the sensor, just unplug it., Mar 18, 2024 · Caterpillar C7 Engine Heui Pump, Part# 10R-8899 $750 USD (GOOD USED) Caterpillar C7 10R-8899 HEUI Pump For Sale, 319-0677, Serial# 27717058, Compatible with the Following: Forest Products: 573 584 584HD; Wheel-Type Loader: 950H 962H; Material... , Spare Parts Hydraulic Pumps Caterpillar Motors C7 and C9. Caterpillar HEUI Pumps Parts; Caterpillar HEUI Repair Kit Pumps; Caterpillar 3126 and 3126B Repair Kit Pumps ; Injector Pumps Star type EUP-PLD; Repair Tools; Parts for Registering Plate Piston EUI-EUP-PLD; Piston for Injector Pumps type Iveco-Scania-Volvo; Piston for Injector Pumps type ..., Credit Card: there will be a 3% transaction fee if the order is under USD 3,000. Paypal: there will be a 10 % PayPal fee for each transaction. Wire Transfer Bank: the details will be provided after the order is placed. High-Quality Aftermarket Gasket - MJ-367611 HEUI Pump Gasket for Caterpillar - Fit Caterpillar C7/C9 - Steel with Advanced ..., The CEL light came on the other day and with CAT ET hooked up, it showed code 164-11 and/or 164-2. Looking them up reveals a somewhat generic trigger of mismatch between desired and actual injection activation pressure on the HEUI system. Scrubbing the internet, it appears that the HEUI pressure sensor or the pressure control valve could be the ..., cat c7 heui pump removal. Answered in 5 minutes by: Technician: Cat Man. Hi Louis. Thanks for asking your question! I will try and help you out. There is a special tool needed to remove the line form the top of the HEUI pump. The Cat part number is (NNN) NNN-NNNN. This tool inserts around the line and allows it to come loose from the HEUI …, > High Pressure Oil Pump & Components (HEUI) FP Diesel Caterpillar (CAT) C7, C15 High Pressure Oil Pump O-Ring. Part# 238-5081. FPDFP2385081. FP Diesel Caterpillar (CAT) C7, C15 High Pressure Oil Pump O-Ring. Part# 238-5081. FPDFP-2385081. Discounted Shipping You come first! 50% Off Expedited Shipping for online orders!, The Cat C7 HEUI pump is responsible for delivering the precise amount of fuel to the injectors for combustion. It is a critical component that ensures efficient engine …, Think this is the schematic I found. Just can’t find names or more info on it. Technician: Nich M. That's the fuel transfer pump mounted on the back of the HEUI pump. The part number is (###) ###-#### I'll pull the procedure information here in a few minutes. And yes you'll need a special bolt., Phone: (717) 400-7065. View Details. Email Seller Video Chat. Stock # IEEN- 660-CT Inventory Sheet Engine/Pwr Unit Price $ 8,750 Description C7 CAT Industrial Engine, Year - 2008, 225 HP Make CAT Model # C7 Serial # JT056...See More Details. Get Shipping Quotes. Apply for Financing., Nov 9, 2020 ... we are the factory of the common rail test bench ,HEUI AND EUI EUP CAMBOX,common rail tools and diesel engine parts ,spare parts of injector ..., Pkg 1 pcs. Star Ref. 34133/55. SOLENOID CATERPILLAR. HYDRAULIC PUMP C7/C9. Pkg 1 pcs. Star Ref. 500.100. SHAFT PUMP CATERPILLAR., The gauge should read a minimum of 4000 psi steady. No fluctuation. IF it does not make 4000 or fluctuates below 4000 psi, I would replaced the Injection Actuation Pressure Control Valve on the HEUI. that the valve the 2 wire connector on the HEUI pump is connected to. IF the new valve does not help the problem, the HEUI pump is bad., Apr 9, 2018 · 1. Caterpillar Roots. HEUI was a joint venture between Caterpillar and Navistar (i.e. International) and was introduced in 1993. Thanks to being electronically controlled via a computer, it was the first system whereby fuel pressurization and injection timing could be varied independently from engine speed. , Cat C7, 3126, and C9. This video describes everything needed to change a Cat HEUI pump and what special tooling and techniques are needed to change it. Inspection of the pump is ..., > High Pressure Oil Pump & Components (HEUI) FP Diesel Caterpillar (CAT) C7, C15 High Pressure Oil Pump O-Ring. Part# 238-5081. FPDFP2385081. FP Diesel Caterpillar (CAT) C7, C15 High Pressure Oil Pump O-Ring. Part# 238-5081. FPDFP-2385081. Discounted Shipping You come first! 50% Off Expedited Shipping for online orders!, Pkg 1 pcs. Star Ref. 34133/55. SOLENOID CATERPILLAR. HYDRAULIC PUMP C7/C9. Pkg 1 pcs. Star Ref. 500.100. SHAFT PUMP CATERPILLAR., Think this is the schematic I found. Just can’t find names or more info on it. Technician: Nich M. That's the fuel transfer pump mounted on the back of the HEUI pump. The part number is (###) ###-#### I'll pull the procedure information here in a few minutes. And yes you'll need a special bolt., Dead head the fuel transfer pump that is located at the back of the heui pump. Remove the fuel transfer pump discharge line and install a fuel pressure gauge, one that reads higher than 100 psi. Now crank the engine. The fuel transfer pump pressure should exceed 80 psi., Lets try and pull the flash codes with the cruise control switches to be sure. If you have never done this, here is how. Turn key on, engine off. Turn cruise off. Hold set or resume switch until yellow light starts blinking. Count the blinks. For example, blink, blink, pause, blink, blink, blink is a code 23. All flash codes are two digits.