TROUBLE SHOOTING GUIDE 21
BEFORE ATTEMPTING TO TROUBLESHOOT, PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR REMOVED.
SYMPTOM | PROBLEM | TEST SOLUTION |
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Pilot will not light. | No spark at pilot burner | - check if pilot can be lit by a match |
-check that the wire is connected to the push button ignitor.
-check if the push button ignitor needs tightening.
-replace the wire if the wire insulation is broken or frayed.
-replace the electrode if the ceramic insulator is cracked or broken.
THERMOPILE PILOT |
| - replace the push button ignitor. |
BURNER THERMO- |
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COUPLE | Spark gap is incorrect | - spark gap should be 0.150" to 0.175" (5/32" to 11/64" approx.) |
ELECTRODE | ||
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| from the electrode tip and the pilot burner. To ensure proper |
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| electrode location, tighten securing nut (finger tight plus 1/4 |
| No gas at the pilot burner | turn). |
| - check that the manual valve is turned on. |
-check the pilot orifice for blockage.
-replace the valve.
-call the gas distributor.
Out of propane gas. | - fill the tank. |
Pilot goes out when the gas knob is re- leased.
System is not correctly purged. - purge the gas line with the glass door open.
| Out of propane gas | - | fill the tank. | ||
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Pilot flame is not large enough | - | turn up the pilot flame. |
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Pilot flame is not engulfing the | - | turn up pilot flame. | |||
thermocouple. | - | replace pilot assembly. | |||
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| Thermocouple shorting. | - | loosen and tighten thermocouple. |
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| - | clean thermocouple and valve connection. | ||
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| - | replace thermocouple. | ||
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| - | replace valve. | ||
Pilot burning; no gas to main burner; gas knob is on 'HI'; wall switch / thermostat is on.
Faultly thermocouple. | - | replace. | |||
Faulty valve. | - | replace. | |||
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| Main burner orifice is plugged. | - | remove stoppage in orifice. | |
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| Faulty thermopile. | - | replace. | |
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| Faulty themostat or switch. | - | connect a jumper wire across the wall switch terminals; if | |
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| main burner lights, replace thermostat. | ||
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| - | disconnect the switch wires & connect a jumper wire across | |
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| terminals 1 & 3; if the main burner lights, check the wires for | ||
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| defects and / or replace wires. |
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| Faulty valve. | - | replace. | ||
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Pilot goes out while |
| Gas piping is undersized. | - | turn on all gas appliances and see if pilot flame flutters, | |||
standing; Main burner |
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| diminishes or extinguishes, especially when main burner ig- | ||||
is in 'OFF' position. |
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| nites. Monitor supply pressure. | ||||
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| - | check if supply piping size is to code. Correct all undersized | |
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| piping. | ||
Main burner goes out; |
| Pilot flame is not large enough - | turn up pilot flame. | ||||
pilot stays on. |
| or not engulfing the thermo- - replace pilot assembly. | |||||
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| pile. |
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| Thermopile shorting | - | clean thermopile and thermopile connection to valve. | |
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| Remote wall switch wire is too | - shorten wire to correct length or wire gauge. | |||
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| long, too much resistance in |
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| the system |
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| Faulty thermostat or switch | - replace |
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| MODEL GS28 ONLY: | - test with spill switch bypassed. Replace if defective. |
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| Venting is spilling | - check for vent blockage. | |||
