DVRT41 Direct Vent Gas Fireplace
Troubleshooting – Honeywell VS8421
Window Frame Assembly to be Removed Before Service Work
START
Gas Supply On
NO
▼
CHECK
•Supply Line Hooked Up
•Shutoff Valve Open
YES
▼
Pilot Lights With Piezo Ignitor
YES
▼
PILOT STAYS LIT
YES
▼
PILOT LIGHTS MAIN BURNER
YES
▼
SYSTEM OK
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| • Lockout Has Engaged. Wait 60 | |
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| Seconds And Try Again. |
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| • For Spark At Electrode While | |
| NO |
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| Depressing Piezo | ||
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| • | 1/8" Gap To Pilot Hood Needed. |
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| All Wiring Connections | |
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| • | Replace Piezo Ignitor |
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| • For Air In The Lines | |
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| • Thermopile Needs A Min. | |
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| 325mv. Adjust Pilot Flame |
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| Height. |
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| ▼ | • | All Wiring Connections | |
| NO |
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| • | Replace Thermopile | |||
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| • Thermocouple Needs A Min. Of | |
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| 14mv |
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| • Valve Is Turned On | |
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| • Wall Switch Is Not Turned On. | |
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| Watch For Grounded Wires! |
NO |
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| • Thermopile Needs A Min. 325mv. | ||
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| • | Plugged Burner Orifice |
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| • Defective Valve. Turn To Pilot, | |
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| Meter Should Read Greater Than |
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| 100mv. If Not, Replace. |
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32 | 10006740 |
