Service manual

12 505872

Section 3 Troubleshooting

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the dryer(s) before servicing.

• Close gas shut-off valve to gas dryer(s) before servicing.

• Never start the dryer(s) with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the dryer is properly grounded.

W001R1

WARNING

9. IGNITER GLOWS BUT BURNER DOES NOT IGNITE – GAS MODELS

10. HEATING ELEMENT OR BURNER SHUTS OFF PREMATURELY

POSSIBLE CAUSE TO CORRECT

Sensor failed in closed position. • Replace sensor.

Open secondary coil or holding coil. • Replace gas valve (in-warranty), or replace coils (out-of-

warranty). Refer to Paragraph 45.

Insufficient gas supply. • Check gas supply and pressure.

• Make sure gas shut-off valve is open.

POSSIBLE CAUSE TO CORRECT

Improper or inadequate exhaust system. • Refer to Installation Instructions (supplied with dryer)

for exhaust requirements.

Gas Models: Insufficient gas supply. • Open partially closed gas shut-off valve, or correct low

pressure.

Gas Models: Dryer not properly equipped for type

of gas used.

• Refer to “Gas Burner Conversion Procedures” in this

manual to convert burner.

Gas Models: Improperly adjusted burner flame. • Adjust flame.

Cycling off on limit thermostat. • Momentarily connect a jumper wire across thermostat

terminals. If heating element heats or burner ignites when

jumper wire is connected, refer to Paragraph 11.

Gas models: Sensor contact closing prematurely.

Burner flame improperly adjusted.

• Replace sensor. Adjust burner flame.

Inoperative cycling thermostat. • Test thermostat and replace if inoperative.

Inoperative timer. • Test timer and replace if inoperative.

Broken, loose, or incorrect wiring. • Refer to appropriate wiring diagram.