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Fault Codes

Hardwick Range/Stove/Oven

Failure
Code
Condition
Check/Repair
F1
Defective touch pad or membrane
Replace touch pad or membrane (usually the touch pad)*
F1
Watchdog on board
Replace touch pad or clock assembly (also called the ERC)
F2
Oven too hot
Replace relay board (if present) or bad oven temperature sensor
F3 or F4
Open or shorted oven temperature sensor
Replace oven temperature sensor
F5
Hardware and watchdog circuits disagree
Replace clock assembly (also called the ERC)
F6
Missing AC signal
Check for proper voltage
F7
Function key shorted or stuck button
Replace touch pad or clock assembly (also called the ERC) or un-stick button
F8
Analog/Digital supervisory
Replace clock assembly (also called the ERC)
F9
Door latch supervisory
Check door lock circuit or replace clock assembly (also called the ERC)
F0
Function key stuck
Replace touch pad or clock assembly (also called the ERC)
* Here is a simple test that you can do to determine whether the clock or the touchpad are defective when the display reads F1:

- Disconnect power to the range.
- Gain access to the back of the ERC (electronic range control, or "clock").
- Unplug the touch pad ribbon connector from the ERC. This will be a flat wire about 1 ½" to 2" wide.
- Make sure everything is clear and will not short out when power is turned back on. Replace any covers removed to gain access to the ERC.
- Turn the power back on to the range.
- Watch for the F-1 and listen for the beep.
- If you get the F-1 and beep, replace the ERC.
- If after approximately 60 Minutes you do not get the F-1 fault, replace the touch pad.

NOTE: Some models incorporate the touch pad and the clock control as one part so F1 = bad clock control.

Warning: If you do not feel comfortable doing this test or making this repair please contact a qualified appliance repair technician.