UVS33/36
Troubleshooting
Honeywell
START
CHECK
• Gas Supply On
YES
Pilot Lights with Piezo Ignitor
YES
Pilot Stays Lit
YES
Pilot Lights Main Burner
YES
NO |
| • Supply line hooked up |
|
•Shutoff valve open
•Lockout has engaged. Wait 60 seconds and try again
•For spark at electrode while
NO 
depressing Piezo
1/8" gap to pilot hood needed
•All wiring connections
•Replace Piezo ignitor
•For air in lines
•Thermopile needs a minimum 325mV. Adjust pilot flame height
•All wiring connections
NO |
|
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| • Replace Thermopile |
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| • Thermocouple needs a minimum | |
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| |
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| of 14mV. |
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| • Defective valve. turn to pilot, |
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| meter should read greater than |
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|
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| 100mV. If not, replace |
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| • Valve is turned on |
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| • Wall switch is not turned on. |
NO |
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| Watch for grounded wires! |
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| ||
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| • Thermopile needs a minimum |
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| 325mV. |
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| • Plugged burner orifice |
System OK
20002211 | 15 |