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Burner won’t turn on 1. Gas valve not turned on. 1. Turn gas valve to “on” position.
2. No voltage to valve. 2. Check for 24 Volts to valve from transformer.
3. Defective thermostat. 3. Check wall thermostat.
4. No 115 V. Line voltage. 4. Provide line voltage.
5. Gas valve defective. 5. Replace gas valve.
6. Manual reset switch not engaged. 6. Depress red button on switch.
(STANDING PILOT) 1. Air in line. 1. Bleed line.
2. Defective thermocouple 2. Replace thermocouple.
Pilot won’t light, or 3. Pilot flame too low. 3. Adjust pilot flame.
stay lit 4. Manual reset switch not engaged. 4. Depress red button on switch.
(I.I.D. PILOT) 1. Sparker won’t work. 1. Check wire connections, provide adequate
ground.
Pilot won’t light 2. Sparker won’t light pilot. 2. {a} Pilot flame too small.
{b} Turn valve to “on” position.
{c} Check for pilot restriction.
3. Manual reset switch not engaged. 3. Depress red button on switch.
TROUBLE SHOOTING CHART - Continued
SERVICE RECORD
SERVICE RECORD
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SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION