
14
Troubleshooting
Problem
Probable Cause
No Heat.
Gas valve not set to ON.
Thermostat dial not turned on.
Pilot not lit.
Gas supply not turned on, or connected.
Wire connections loose.
Thermopile.
Insufficient or too much heat.
Thermostat dial not set to desired temperature.
High limit tripped (call service).
Temperature probe (call service).
Tank will not drain.
Shortening too cold.
Drain pipe clogged with debris.