Thor Kitchen internal use only
Error codes
NTC temp sensor is not plugged in, OPEN or is
shorted
1. Locate connector NTC on the main PCB and check connector to make
sure it is fully plugged in and no damage to terminal. Unplug and re-
plug connector back in. Retest if error returns move to step 2.
2. Check resistances of the sensor and compare against chart in
component check section. At room temp sensor should be 1.5MΩ . If
sensor resistance is not correct replace sensor.
PCB On board NTC temp sensor is damaged
Disconnect power and wait 5 min. Reapply power if error code returns
replace main PCB.
After oven has been started there is not a
temperature change detected by sensor with in 7 min
after start.
1.Turn on Bake or Broil function verify either Gas burner or Electric
heating element turns on depending on model.
2. Oven NTC sensor must see a temperature rise with in 7m or else E3
error code will be activated. If oven is heating correctly verify NTC
sensor resistances is correct .
Temperature in the oven exceeded 343◦C / 649◦F
The oven has overshot normal cooking temperature ranges and has
exceeded 649 F. Check oven sensor resistances, Check high limit
thermostat and Main PCB for stuck or welded closed relays.
CPU clock and check clock differ by 10% Crystal
oscillator or Frequency not matching
Power off and restart, if error returns replace main PCB
RAM , ROM , SFR , PC detection error . Power off for 5min, restart. If error returns replace main PCB.
Main PCB on board NTC sensor has detected the
control board is ≥ 85◦C / 185◦F
1. Verify cooling fan operation. 2. Make sure oven fan exhaust vents
along rear are not blocked due to installation. 3. Check oven door and
gasket for correct sealing. 4. if all else checks okay replace oven main
There is no Hall sensor RPM signal to the main PCB
showing cooling fan is rotating .
1. Verify cooling fan is running, If not go to trouble shooting section on
cooling fan. 2. If cooling fan is running but E 17 is displayed check at
main PCB verify that CN5 connector is plugged in, unplug and re
CN5. retry if error returns replace cooling fan assembly.
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