GE Profile PHB925SB1SS Technical Service Manual

Contents

– 59 –F-Code Meaning CorrectionF100 LED error on Burner Touch Board LEDs on Burner Touch Board operating properly.(when equipped) Harness /header pins to Burner Touch Board.F20x Temperature inside oven cavity a) Welded relay contactsexceeds 600°F with door unlocked b) High resistance in sensor connectors, especiallyat sensor in rearF21x Temperature inside oven cavityexceeds 900°F with door lockedF30x Shorted oven sensor a) Disconnect sensor harness from control.(under 950 ohms) Measure resistance. Should be ~1100 ohmsat room temperature with 2 ohms per degreechange.b) Look for damaged harness terminals/pins ifresistance is OK.F31x Open oven sensor (over 2950 ohms)F32x Temperature measurement circuitredundancy check within MainLogic Board bad Replace board.F33xF40x Meat probe or jack shorted a) Probe should be ~10K ohms at room temp.b) Disconnect jack harness from control. Checkfor shorted jack or harness. Center pin may betouching insulation retainer.F600 LIN comm error within a) Check for shorted J241 pin 2.Main Logic Board b) Replace board.F610 LIN comm error to slaves such a) Check LIN wire in harness.as RPSM b) Replace RPSM Board.F611 LIN comm error to slaves such a) Check LIN wire in harness. b) Replace RPSMas RPSM Board. c) Replace Main Logic Board.F612 Line power error detected by RPSM a) Check power line for dropouts. b) Replace RPSM.F620 LIN comm error to/from RPSM AUX Replace AUX Board, especially if MAIN Board relaysBoard (when equipped) still function.F621 LIN comm error to/from RPSM AUX Replace AUX Board, especially if MAIN BoardBoard (when equipped) relays still function.F622 Line power error detected by RPSM a) Check power line for dropouts. b) Replace RPSM.F640 No LIN comm between Main Logic a) Harness opened to bridge board.Board and Induction Bridge Board b) Induction module or bridge board not getting(when equipped) power.F70x CLEAR/OFF touch key error a) Touch film has a short. b) Main Logic Board fault.F710 Any other Touch Key error a) Touch film has a short. b) Main Logic Board fault.F720 Main Logic Board internal touch key Replace Main Logic Board.chip signal errorF730F740F750F760F770F780 60 Hz square wave not getting to a) Harness to J241 pin 4 open.Touch Key chip on Main Logic Board b) Replace Main Logic Board if voltage is OKto J241 pin 4. ORc) Replace Main RPSM Board if no voltage atRPSM J17 pin 9.X=1 For All Oven Failure CodesOven Failure Codes(Continued next page)