12
SYMPTOM | PROBLEM | TEST SOLUTION | |
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Pilot | goes out | Gas piping is undersized. | - turn on all gas appliances and see if pilot flame flutters, dimin- |
while | standing; |
| ishes or extinguishes, especially when main burner ignites. Monitor |
Main burner is in |
| appliance supply working pressure. | |
'OFF' position. |
| - check if supply piping size is to code. Correct all undersized piping. | |
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| High Wind. | - unit has been exposed to a high wind condition. |
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| A “sheltered” area is recommended for the installation location. |
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| - close mesh screens. |
Flames are consistently too large or too small. Carboning occurs.
Unit is
- check pressure readings:
Inlet pressure can be checked by turning screw (A)
Outlet pressure can be checked the same as above using screw (B). Gauge should read 3.5" water column for natural gas or 10" water column for propane. Check that main burner is operating on "HI".
AFTER TAKING PRESSURE READINGS, BE SURE TO TURN SCREWS CLOCKWISE FIRMLY TO RESEAL. DO NOT OVERTORQUE. Leak test with a soap and water solution.
Carbon is being deposited on, logs or combustion chamber surfaces.
Air shutter has become | - | ensure air shutter opening is free of lint or other obstructions. |
blocked |
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Flame is impinging on the | - | check that the logs are correctly positioned. |
logs or combustion cham- | - | open air shutter to increase the primary air. |
ber. | - | check the input rate: check the manifold pressure and orifice size |
| as specified by the rating plate values. | |
| - close mesh screens. | |
Remote | wall | Wall switch is mounted up- | - reverse. | |
switch is in "OFF" | side down |
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position; | main | Remote wall switch is | - replace. | |
burner comes on | grounding. |
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when gas knob is |
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Remote wall switch wire is | - check for ground (short); repair ground or replace wire. | |||
turned to "ON" po- | ||||
sition. |
| grounding. |
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| Faulty valve. | - replace. | |