DVBR Series Direct Vent Gas Fireplace
Troubleshooting – Honeywell VS8421
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| Remove window frame assembly before service work | ||||||
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| START |
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| CHECK | ||
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| Gas Supply On |
| NO |
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| • | Supply Line Hooked Up | |
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| • | Shutoff Valve Open | |
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| YES |
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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 |
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| Pilot Lights With Piezo |
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| NO |
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| Depressing Piezo |
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| Ignitor |
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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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| YES |
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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 |
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| PILOT STAYS LIT |
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| 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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| YES |
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| • Valve Is Turned On |
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| • Wall Switch Is Not Turned On. |
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| PILOT LIGHTS MAIN |
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| NO |
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| Watch For Grounded Wires! |
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| BURNER |
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| • | Thermopile Needs A Min. 325mv. |
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| • | Plugged Burner Orifice |
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| YES |
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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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| SYSTEM OK |
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28 | 20000584 |