DVRTSB Bay Window Fireplace

 

Troubleshooting the Gas Control System

 

 

 

Honeywell Millivolt Valve

WARNING: Before doing any gas control service work, remove glass front.

START

CHECK

Gas Supply On

YES

NO

Supply Line Hooked Up

Shutoff Valve Open

Pilot Lights With Piezo Ignitor

YES

Pilot Stays Lit

YES

Pilot Lights Main Burner

YES

System OK

NO

NO

NO

Lockout Has Engaged. Wait 60 Seconds And Try Again.

For Spark At Electrode While Depressing Piezo

1/8" Gap To Pilot Hood Needed.

All Wiring Connections

Replace Piezo Ignitor

For Air In The Lines

Thermopile Needs A Min. 325mv. Adjust Pilot Flame Height.

All Wiring Connections

Replace Thermopile

Thermocouple Needs A Min. Of 14mv

Valve Is Turned On

Wall Switch Is Not Turned On. Watch For Grounded Wires!

Thermopile Needs A Min. 325mv.

Plugged Burner Orifice

Defective Valve. Turn To Pilot, Meter Should Read Greater Than 100mv. If Not, Replace.

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Vermont Casting DVRTSB manual Honeywell Millivolt Valve