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Bosch YS2433r flas up #76 on the key pad - Bosch & Tankless LP Hot Water Heater

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Get hot water from your Rheem tankless during a code 76 error


This doesn't always work, but on the Rheem tankless Gas/Propane water heater, if you're experiencing a code 76 error; disconnect the remote control unit (either from the water heater or the remote) by lifting the wires for the remote connection. Typically you'll get a C1-C8 error code, followed by a code 76; if you're getting a straight code 76 and nothing else, this procedure probably won't work.
Code 76 is a total power supply failure on the printed circuit board (PCB) assembly, which is the communication/power supply for the remote control unit. But, if you're getting a supplemental code (C1-C8) this procedure will most likely supply you with hot water until the replacement PCB arrives.

on Dec 01, 2009 | Rheem Tankless water heater for 1-2...

1 Answer

I have a Rheem rtg 74dvp but its not heating and the display show me 1 76 and 2 76, and come all the time to 76 F and another times its blinking the temperature, but not heat


Error code 76 is communication problem between remote control and tankless unit.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
Multiple error codes could indicate that main PC board is bad.
Before calling service technician, open following link for troubleshooting resources including link to Rheem chat, manuals, error codes, etc.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Jul 15, 2011 | Rheem Tankless Water Heater RTG-74DVP...

2 Answers

I have a bosch YS2433R 'Highflow' hot water system. It has a YPRM34XB controller. The controller constantly flashes the number '99'. My home has no hot water. How do I fix this error on the controller so...


Solution for a code 10 or 99 (for my own reference as much as anything!)
Hit change and the down arrow on the controller for 3 seconds.
Wait for the controller to beep and display 00 before using the down key to display 93.
Hit the On/Off button until 000 is displayed on the screen.
Press change and down simultaneously and the controller should revert to the pre set temperature. Hey presto! Hot water!!!

Nov 01, 2010 | Bosch & Tankless LP Hot Water Heater

1 Answer

What is error code 76 and can it be repaired Thank you


hi there are a number of 76 codes on your machine but in any event contact rheem on 8004348373 because they have extened the warrenty on all 76 codes its your burner control i hope this has been helpfull if so give it a rating thanks pete

Nov 24, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

C4 76


76 is a bad connection between the controller and the unit. try unplugging the controller and running it, also check the wiring between the two units. if that is not it. it means that one of the control boards it shot

Jul 18, 2009 | Water Heaters

1 Answer

No hot water


diaohragm valve or micro switch

Nov 14, 2008 | Bosch & Tankless LP Hot Water Heater

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