1018029-A
Page 21
SERVICE RECORDS
TROUBLESHOOTING CHART ( FOR QUALIFIED SERVICE TECHNICIAN ) -
PILOT AND VALVE
Please follow the following corrective actions in order.
SYMPTOM
POSSIBLE CAUSES
1. Sparker won’t work.
2. Sparker won’t light pilot.
3. Manual reset switch
not engaged.
Pilot Won’t
Light
CORRECTIVE ACTION
Burner Won’t
Turn On
1. Gas valve not turned on.
2. No voltage to valve.
3. Defective thermostat.
4. No 115 Volt Line Voltage.
5. Auxiliary limit switch open.
6. Blocked flue switch open.
7. Gas valve defective.
1. Turn gas valve to “on” position”.
2. Check for 24 Volts to Valve.
3. Check wall thermostat.
4. Jump fan switch to check for voltage
(fan will come on)
.
5. Push on red buton to close.
6. Push red button in to close.
7. Replace gas valve.
1. Air in line.
2. Defective thermocouple
3. Pilot flame too low.
4. Manual reset switch not engaged.
Pilot Won’t
Light or Stay Lit
1. Bleed line.
2. Replace thermocouple.
3. Adjust pilot flame.
4. Push on button.
1. Check wire connections, provide adequate ground.
2. a. Pilot flame too small.
b. Turn valve to “on” position.
c. Check for pilot restriction.
3. Depress red button on switch.
I.I.D. Pilot
(Standing Pilot)
