15
TROUBLE SHOOTING GUIDE
BEFORE ATTEMPTING TO TROUBLESHOOT, PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR REMOVED.
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Main burner goes | Pilot flame is not large | - | turn up pilot flame. | |||||||||
out; pilot stays on. | enough or not engulfing the | - replace pilot assembly. | ||||||||||
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| thermopile |
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| Thermopile shorting | - clean thermopile connection to the valve. Reconnect. | |||||
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| - replace thermopile / valve. | ||||
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| Remote wall switch wire is | - | shorten wire to correct length or wire gauge. | |||||
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| too long; too much resist- |
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| ance in the system. |
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| Faulty thermostat or switch. | - | replace. | ||||
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| Vent safety switch has | - | Vent has become blocked or disconnected. Correct. See Figure 2. | ||||
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| opened. (Tripped) |
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| Hi Limit switch has opened. | - | Unit has overheated. See Figure 2 | ||||
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| (Tripped) |
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Main burner goes | Refer to "MAIN BURNER GOES OUT; PILOT STAYS ON" | |||||||||||
out; pilot goes out. |
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| Faulty thermocouple. | - | replace. | |||||||||
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Pilot goes out when |
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| System is not correctly | - | purge the gas line with the glass door open. | |||||||
the gas knob is re- |
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| purged. |
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leased. |
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| Out of propane gas. | - | fill the tank. | ||||||
The gas valve has |
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| Pilot flame is not large | - | turn up the pilot flame. | ||||||||
an interlock device |
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which will not allow |
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| enough |
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the pilot burner to |
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| Pilot flame is not engulfing | - | gently twist the pilot head to improve the flame pattern around the | |||||||
be lit until the ther- |
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| the thermocouple. | thermocouple. | ||||||||
mocouple |
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cooled. Allow ap- |
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| Thermocouple shorting / | - | loosen and tighten thermocouple. | |||||||
proximately | 60 |
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| faulty. | - | clean thermocouple and valve connection. | ||||||
seconds for the |
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| - | replace thermocouple. | |||||||
thermocouple to |
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| Faulty valve. | - | replace. | ||||||||
cool. |
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Pilot | burning; | no |
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| Themostat or switch is de- | - | connect a jumper wire across the wall switch terminals; if main | |||||
gas | to | main |
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| fective. | burner lights, replace switch / thermostat. |
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burner; gas knob |
| Wall switch wiring is defec- | - | disconnect switch wires & connect a jumper wire across terminals |
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is on 'HI'; walltive. | 1 & 3; if the main burner lights, check the wires for defects and / or | |||||||||||
switch / thermostat |
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| replace wires. | ||||||||
is on. |
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| Main burner orifice is plugged. | - | remove stoppage in orifice. | |||||
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| Faulty valve. | - | replace. |
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| Vent safety switch has opened. - | Vent has become blocked or disconnected. Correct. See Figure 2. | ||||||
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| (Tripped) |
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| Hi Limit switch has opened. (Tripped) | - | Unit has overheated. See Figure 2 |
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Pilot will not light. |
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| No spark at pilot burner | - | check if pilot can be lit by a match | |||||||
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| - | check that the wire is connected to the push button ignitor. | |||
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| - | check if the push button ignitor needs tightening. | |||
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| - | replace the wire if the wire insulation is broken or frayed. | |||
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| - | replace the electrode if the ceramic insulator is cracked or broken. | |||
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| - | replace the push button ignitor. |
- fill the tank.
- spark gap should be 0.150" to 0.175" (5/32" to 11/64" approx.) from the electrode tip and the pilot burner. To ensure proper electrode location, tighten securing nut (finger tight plus 1/4 turn).
- check that the manual valve is turned on.
-check the pilot orifice for blockage.
-replace the valve.
-call the gas distributor.