GE Profile PB920TPWW Technical Service Manual

Also see for PB920TPWW - Profile 30" Electric Ran: Owner's manual Installation instructions Dimensions and installation information

– 21 –ERC Failure CodesF-codes are not shown on the display when they occur. They are stored in eeprom and can be retrieved bypressing the TIMER ON + CLOCK + UPPER START keys together. The display then shows F-cd and prompts foran UPPER or LOWER selection. After an oven is selected, a log is shown. Details of any one of up to 7 storedcodes can be recalled by pressing a number key. Press the CLEAR/OFF key to exit. The F-code log can beerased by pressing the 9 and 0 keys together while the log is showing.Note: For the first 3 minutes after power on, the F-code will show on the display.Diagnostics and Service InformationF-CODE MEANING CORRECTIONF100 LED error on Burner TouchBoard (when equipped)LEDs on Burner Touch Board operating properly.Harness/header pins to Burner Touch Board.F20x Temperature inside ovencavity exceeds 600°Fwith door unlockeda) Welded relay contacts.b) High resistance in sensor connectors especially at sensorin rear.F21x Temperature inside ovencavity exceeds 900°Fwith door unlockedF30x Shorted oven sensor(under 950 ohms)a) Disconnect sensor harness from control. Measureresistance. Should be ~1100 ohms at room temperaturewith 2 ohms per degree change.b) Look for damaged harness terminals/pins if resistanceis OK.F31x Open oven sensor (over 2950ohms)F32x Temperature measurementcircuit redundancy checkwithin Main Logic Board badReplace board.F33xF40x Meat probe or jack shorted a) Probe should be ~10K ohms at room temperature.b) Disconnect jack harness from control. Check for shortedjack or harness. Center pin may be touching insulationretainer.F600 LIN comm error within MainLogic Boarda) Check for shorted J241 pin 2.b) Replace board.F610 LIN comm error to slaves, suchas RPSMa) Check LIN wire in harness.b) Replace RPSM board.F611 LIN comm error to slaves, suchas RPSMa) Check LIN wire in harness.b) Replace RPSM board.c) Replace Main Logic Board.F612 Line power error detected byRPSMa) Check power line for dropouts.b) Replace RPSM board.F620 LIN comm error to/from RPSMAux Board (when equipped)Replace Aux board, especially if Main Board relays stillfunction.F621 LIN comm error to/from RPSMAux Board (when equipped)Replace Aux board, especially if Main Board relays stillfunction.(Continued Next Page)