Troubleshooting – honeywell millivolt valve – Vermont Casting DVR33 User Manual
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Vermont Castings, Majestic Products: DVR33
10004920
Troubleshooting – Honeywell Millivolt Valve
START
CHECK
Gas Supply ON
▼
▼
▼
▼
▼
Pilot lights with Piezo
igniter
•
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 igniter
•
Supply line hooked up
•
Shutoff valve OPEN
PILOT STAYS LIT
•
For air in the lines
•
Thermopile needs min. 325 mv
•
Adjust Pilot flame height
•
All wiring connections
•
Replace thermopile
•
Thermocouple needs min. 14 mv
PILOT LIGHTS MAIN
BURNER
•
Valve is turned ON
•
Wall switch is not turned ON.
Watch for grounded wires!
•
Thermopile needs min. 325 mv.
•
Plugged burner orifice
•
Defective Valve: Turn to Pilot;
meter should read greater than
100 mv. If not, replace.
SYSTEM OK
▼
YES
NO
NO
▼
NO
▼
NO
YES
YES
YES
Window Frame Assembly Should be Removed Before Service Work