Service Manual
TROUBLESHOOTING
TROUBLESHOOTING
GENERAL
SYMPTOM POSSIBLE CAUSE
Pilot does not remain lit.
1. Incorrect gas pressure.
2. Pilot burner not adjusted properly.
3. Pilot burner blocked.
4. Thermocouple not positioned correctly or
malfunctioning.
5. Gas safety valve malfunction.
6. Incorrect oven pilot orifice.
7. Ventilation issue in room (drafts blowing out pilot).
Burner flame too yellow
1. Orifice incorrect size or dirty.
2. Air shutter not adjusted correctly or dirty.
3. Incorrect gas pressure.
4. Incorrect gas type.
5. Orifice misaligned in venturi.
6. Appliance not venting properly.
Slow to heat or not hot enough.
1. Low gas pressure.
2. Thermostat out of calibration.
Oven temperature too hot.
1. Thermostat out of calibration.
2. By-pass flame to high.
Low burner flame (all burners).
1. Low gas pressure.
2. Incorrect gas type.
Low burner flame (individual burner). 1. Air mixture incorrect.
Flame floats on burner.
1. Inadequate air supply.
2. Restricted exhaust flue (ovens).
CONVECTION OVENS ONLY
SYMPTOM POSSIBLE CAUSE
Oven temperature too hot. 1. Thermostat out of calibration.
ENDURANCE / CHALLENGER MODULAR SERIES GAS RANGES - TROUBLESHOOTING
Page 37 of 38 F45471 Rev. A (0615)