Troubleshooting Guide - Vermont Castings DVRT36 Homeowner's Installation & Operating Manual

Troubleshooting – Honeywell VS8421
START
Gas Supply On
YES
Pilot Lights With Piezo
Ignitor
YES
Pilot Stays Lit
YES
Pilot Lights Main Burner
YES
SYSTEM OK
10002428
Vermont Castings, Majestic Products DVRT36/ 39/ 43
Remove the Window Frame Assembly before service work.
NO
NO
NO
NO
CHECK
•
Supply Line Hooked Up
•
Shutoff Valve Open
•
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
•
Defective Valve. Turn To Pilot,
Meter Should Read Greater
Than 100mv. If Not, Replace.
•
Valve Is Turned On
•
Wall Switch Is Not Turned On.
Watch For Grounded Wires!
•
Thermopile Needs A Min. 325mv.
•
Plugged Burner Orifice
35