TEMPERATURE | KNOB |
DIAL |
POWER
SWITCH
INDICATOR
LIGHT
KNOB GUARD
(OPTIONAL)
POWER ON/OFF SWITCH
The Power Switch controls the power supply to all other electronic components.
Disconnect the electrical power and follow lockout / tagout procedures
POWER SWITCH TROUBLESHOOTING
SYMPTOM – NO POWER BEING SUPPLIED TO THE UNIT
1.Check for loose or excessively greasy/dirty connections at terminals.
1.With power wires disconnected check for continuity/resistance between the 1 and 2 terminals
A.If continuity/resistance with switch in “off” position – replace switch
B.If no continuity/no resistance with switch in “on” position – replace switch
3.Check for 120 voltage from #2 terminal to ground with power on
A.If no voltage – check main wiring from j box and power cord/plug
B.If getting voltage to #2 terminal – check voltage to #1 terminal to ground with switch in “on” position.
1.If no voltage – replace switch
POWER SWITCH REMOVAL
1.Remove the control panel.
2.Label and disconnect the wires to the power switch.
3.Squeeze the switch retainers and slide the switch out through the front of the control panel.
4.Reverse the procedure to install and check for operation.
INDICATOR LIGHT
The indicator light illuminates to indicate that the corresponding thermostat and burner have turned on and gas is flowing through the corresponding solenoid valve.
INDICATOR LIGHT TROUBLESHOOTING
SYMPTOM – LIGHT DOES NOT COME ON WHEN THERMOSTAT AND BURNER ARE ON.
1.Check for loose or excessively greasy/dirty terminal connections
2.There should always be 120V from the hot wire to ground whether the thermostat is on or not.
A.If no voltage – check wiring for short or break.
3.With thermostat on and corresponding burner lit – check for 120 voltage between hot wire and the wire coming from thermostat.
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