Thermador Fault Codes - Turners Timer Repair

Fault Code	Condition/Description	Resolution
E1	Disables clean mode in both ovens, allows cook and microwave. Turn the clock selector knob to OFF Adjust the oven control by turning the clock selector knob slightly to the left (counter clockwise). This may stop the flashing message/beeping and clear the display window.	Repair the electronic range control (also called clock or ERC)
E2	Turns all heat and micro off. Clears when oven temp drops below runaway temp and selector is off.	Cook or clean mode runaway
E3	Turns heat off on failed oven only, micro not affected. Can be cancelled by tweaking if a good oven temperature sensor is detected.	Open oven temperature sensor (over 5000 ohms)
E4	Turns heat off on failed oven only, micro not affected. Can be cancelled by tweaking if a good oven temperature sensor is detected.	Shorted oven temperature sensor (under 500 ohms)
E5	Turns all heat and micro off. Error will remain in display until repaired and powered up. No error tones.	Control board too cold or too hot, repair the electronic range control (also called clock or ERC)
E6	Disables clean mode in both ovens, allows cook and microwave. Can be tweaked away for retry. User must unlatch and delete the “—” to try to re-latch the door.	Repair the electronic range control (also called clock or ERC)
E7	Turns heat off on failed oven only, micro not affected. Cleared with a mode change.	Illegal temp display turn off and retry
E8	Turns heat off on failed oven only, micro not affected. Error will remain in display until repaired and powered up. No error tones.	Repair the electronic range control (also called clock or ERC)
E9	Turns heat off on failed oven only, micro not affected. Turn the clock selector knob to OFF Adjust the oven control by turning the clock selector knob slightly to the left (counter clockwise). This may stop the flashing message/beeping and clear the display window.	Latch switch problems
E10	Turns all heat off, micro not affected. Error will remain in display until repaired and powered up. No error tones.	Repair the electronic range control (also called clock or ERC)
E11	Turns heat off on failed oven only, micro not affected. Tweaking clears to “—” for retry.	CT oven; latch switch problem
E12	Turns heat off on failed oven only, micro not affected. Turn the clock selector knob to OFF Adjust the oven control by turning the clock selector knob slightly to the left (counter clockwise). This may stop the flashing message/beeping and clear the display window.	CT oven; latch switch problem
E13	Turns heat off on failed oven only, micro not affected. Disables clean mode in both ovens, allows cook and microwave.	CT ovens; latch froze or no power to latch motor CMT ovens; control board not converted
E14	Turns heat off on failed oven only, micro not affected. Turn the clock selector knob to OFF Adjust the oven control by turning the clock selector knob slightly to the left (counter clockwise). This may stop the flashing message/beeping and clear the display window.	Latch switch problems
E15	Turns all heat off, micro not affected. Error will remain in display until repaired and powered up. No error tones.	Repair the electronic range control (also called clock or ERC)
F0	Internal logic failure; cancel key supervision. Sounds alarm and resets to non-cook mode	Repair the electronic range control (also called clock or ERC)
F1	Internal logic failure (monitoring function). Sounds alarm and inhibits cook modes	Repair the electronic range control (also called clock or ERC)
F2	Temperature runaway detected (Bake/Broil: 600 – 700 F; Clean: 930 – 1000 degrees F). Sounds alarm and resets to non-cook mode. Check relay board for stuck contacts. Check oven temperature sensor for normal room temperature resistance (1085-1097 ohms at 75 degrees F). Check sensor wiring connectors for a loose or high resistance connection. Check electronic range control (also called clock or ERC) functions	Replace relay board if necessary. Replace oven temperature sensor if other components check normal. If failure repeats, repair electronic range control (also called clock or ERC)
F3	Open circuit detected; oven temperature sensor. Check sensor for normal room temperature resistance (1085-1097 ohms at 75 degrees F). Check wires and connections between electronic range control (also called clock or ERC) and oven temperature sensor	Replace sensor if other components check normal. Repair electronic range control (also called clock or ERC) if fail code reoccurs
F4	Short circuit detected; oven temperature sensor. Check sensor for normal room temperature resistance (1085-1097 ohms at 75 degrees F). Check wires between electronic range control (also called clock or ERC) and sensor.	Replace sensor if other components check normal. Repair electronic range control (also called clock or ERC) if fail code reoccurs
F7	Function key shorted for over 16 seconds. Check for something pressing a key or preventing normal release of the key	Repair electronic range control (also called clock or ERC) if other components check normal
F8	Internal logic failure; calibration. Alarm sounds and resets to non-cook mode. Check oven temperature sensor for normal room temperature resistance (1085-1097 ohms at 75 F). Check wires and connections between electronic range control (also called clock or ERC) and oven temperature sensor	Repair electronic range control (also called clock or ERC) and oven temperature sensor if other components check normal
F9	Internal logic failure; door latch supervision. Alarm sounds and resets to non-cook mode. If door is locked due to clean temperatures, disconnect power until door can be unlocked	Repair the electronic range control (also called clock or ERC)
Fd	Bake & Broil relay drives active simultaneously. Check relay board for damage: trace E6 to K2 & K3, and burned contacts K3 & K4	Repair electronic range control (also called clock or ERC). Replace relay board if necessary
Blank display	No power to electronic range control (also called clock or ERC). Check oven light and cooktop dial lights (powered by L2 & L1, respectively). Check relay board transformer primary, E1 to E2 (140 ohms typical). If the transformer internal fuse is still OK, check output voltages, pins 9 – 8 (3.2 V.A.C.) and 7 – 6 (21 V.A.C.). Check clock functions after replacing relay board	If relay board transformer open (E1 to E2), replace relay board. If still no clock functions repair electronic range control (also called clock or ERC)

CT and CMT OVENS

Error Code	Notes	Repair
E1	C	E	Control board problem
E2	K	G	Cook or clean mode runaway
E3	A	H	Open oven sensor (over 5000 ohms)
E4	A	H	Shorted sensor (under 500 ohms)
E5	K	D	Control board too cold or too hot, or defective board.
E6	C	J	Control board problem
E7	A	I	Illegal temp. display turn off and retry
E8	A	D	Control board problem
E9	A	E	Latch switch problems
E10	B	D	Control board problem
E11	A	F	CT oven; latch switch problem
E12	A	E	CT oven; latch switch problem
E13	A	C	CT ovens; latch froze or no power to latch motor CMT ovens; control board not converted
E14	A	E	Latch switch problem
E15	B	D	Control board problem

Notes:
A	Turns heat off on failed oven only, micro not affected
B	Turns all heat off, micro not affected
C	Disables clean mode in both ovens, allows cook and microwave
D	Error will remain in display until repaired and powered up. No error tones
E	Turning to off stops error and flashing can tweak away code
F	Tweaking clears to “—” for retry
G	Clears when oven temp drops below runaway temp and selector is off
H	Can be cancelled by tweaking if a good sensor is detected
I	Cleared with a mode change
J	Can be tweaked away for retry. User must unlatch and delete the “—” to try to re-latch the door
K	Turns all heat and micro off
L	If two switches show locked door, then “E13” and “Lock” are permanent in display (all modes). If two switches show an open door you can tweak away the “E13”

Professional ranges PDR30/36/48, and PGR30/36/48

Fault Code	Condition/Description	Resolution
E1	EEPROM error	Repair Electronic Range Control (ERC)
E2	Control not calibrated	Repair Electronic Range Control (ERC)
E3	Sensor opened	Open oven temperature sensor (over 5000 ohms)
E4	Sensor shorted	Shorted oven temperature sensor (under 500 ohms)
E5	Potentiometer failure
E6	Over temperature – Cooking	Check temperature sensor
E7	Over temperature – Cleaning
E9	No cooling fans	Check fan motor
E11	Door latch fault	Check door latch
E12	Exp. Board not connected
E13	VCC lift off error
E14	Selector switch error

S, SM, and SMW Oven

Fault Code	Condition/Description	Resolution
F1	Element supervisor enabled	Replace main power board
F1, F7	Poor connection between display and touch pad	Replace control head kit and main power board
F2	Oven temperature detected or door light coming on after 1 hour into self-clean	Check that the oven latches and door light are operating properly. Check oven sensor from molex plug on main power board. Should read approximately 1050
F3	Opened oven temperature sensor	Check connection on board, sensor should read approximately 1050 at room temperature
F4	Shorted oven temperature sensor	Check oven wiring, sensor should read approximately 1050
F5	Element supervisor is disabled	Check oven sensor wiring, replace main board
F7	Shorted key	Replace control head kit and keypad
F8	Shorted meat probe	Replace main relay board
F9	Invalid door lock	Check latch and switches for proper operation, replace if needed
FC	Communication error	Replace control head and main power board
FF	Bad analog	Replace temperature sensor and main control
F	Communications error	Check connections and replace main board
FR	Invalid door latch switch Communications error at display Element supervisor	Replace lower latch Check connections, replace main board Replace lower temperature sensor and replace 2nd power relay board with main board

C, CM, and CJ oven

Fault Code	Condition/Description	Resolution
F10	Power board incompatibility	Replace power relay board
F11	Communication error with board	Replace power relay board
F12	Vcc lift-off ( power relay board )	Replace power relay board
F13	Power Board not calibrated	Check air switch or replace power relay board
F14	Control Display PCB EEPROM error	Replace power relay board
F19	Miscellaneous power relay board error	Replace power relay board
F20	Upper oven cancel key shorted high	Replace power relay board, and touch panel
F21	Lower oven cancel key shorted high	Replace power relay board, and touch panel
F22	Upper oven cancel key shorted low	Replace power relay board, and touch panel
F23	Lower oven cancel key shorted low	Replace power relay board, and touch panel
F24	Touch input key stuck	Replace power relay board, and touch panel
F25	Multiple touch input keys stuck	Replace power relay board, and touch panel
F30	Upper oven sensor shorted	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board
F31	Upper oven sensor open	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board
F32	Upper oven over temperature while cleaning	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board
F33	Upper oven over temperature while cooking	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board
F34	Upper oven cooling fan air switch not detected	Replace air switch, cooling fan, and check header P6 on PCB
F40	Upper meat probe shorted	Check P2 on PCB. Check meat probe wire if pinched. Replace PCB
F50	Upper door signal shorted low	Check P9 header on power relay board and P11 on PCB and power relay board. Check if door switch wire pinched in chassis. Replace power relay board and PCB
F51	Upper door stuck unlocked	Check header P9 on the power / relay board. Check if door latch switch wire pinched in chassis. Replace power relay board
F52	Upper oven door position error	Check P9 and P0 on the power relay board and P11 on relay board and PCB. Check if door switch wire pinched in chassis. Replace power relay board
F53	Upper door stuck locked	Check P9 header on power relay board. Check door latch switches and if wire is pinched in chassis. Replace power relay board
F54	Upper latch input shorted	Check P9 header on power relay board. Check door latch switches and if wire is pinched in chassis. Replace power relay board
F60	Lower oven sensor shorted	Check P2 on power relay board. Check lower oven sensor should read 1080 ohms at room temperature, if ok replace power relay board
F61	Lower oven sensor open, oven sensor wiring	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board. Also check P2 on power relay board for solder break
F62	Lower oven over temperature while cleaning	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board. Also check P2 on power relay board for solder break
F63	Wrong oven temp while cooking	Check sensor should read 1080 ohms at room temperature, if ok replace power relay board. Also check P2 on power relay board for solder break
F64	Lower oven cooling fan air switch not detected	Replace air switch, replace cooling fan, check connections, check P6 on PCB control display
F70	Lower meat probe shorted	Check header P2 on PCB. Check for meat probe wiring pinch. Replace Control PCB
F80	Lower door signal shorted low	Check header P5 on the power relay board and P11 on power relay board and PCB. Check door switch wiring and door switch. Replace control display PCB
F81	Lower door stuck unlocked	Check header P5 on the power relay board. Check wiring on latch switch. Replace power relay board
F82	Lower oven door position error (locked or open)	Check headers P5 and P0 on the power relay board and P11 on both relay board and PCB. Check wiring on door latch switch. Replace power relay board
F83	Lower door stuck position	Check headers P5 on the power relay board. Check wiring on door latch switch. Replace power relay board
F84	Lower latch input shorted	Check headers P5 on the power relay board. Check wiring on door latch switch. Replace power relay board