Alliance Laundry Systems ST0300DRG - Burner Ignites and Goes out Repeatedly; Burner Does Not Shut off

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Section 3 Troubleshooting
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
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6. BURNER DOES NOT IGNITE (continued)
7. BURNER IGNITES AND GOES OUT REPEATEDLY
8. BURNER DOES NOT SHUT OFF
POSSIBLE CAUSE TO CORRECT
Instant Electronic Ignition (IEI) control in safety
lockout.
• Reset IEI control by opening and closing tumble dryer
door. (Non-EU models only)
• Reset IEI by pressing reset button on back of unit. (EU
models only)
POSSIBLE CAUSE TO CORRECT
Insufficient gas pressure. • Check gas supply and pressure.
Inoperative cabinet thermostat. • Test thermostat and replace if inoperative.
Improper or inadequate exhaust system. • Refer to Installation Instructions (supplied with tumble
dryer) for exhaust systems requirements.
Improper orifices. • Tumble dryer is equipped for type of gas specified on
rating plate. If orifices are different from that specified on
rating plate, obtain and install correct orifices.
Broken, loose or incorrect wiring. • Refer to wiring diagram.
Excessive igniter to burner clearance. • Set gap as described in SECTION 5, Paragraph 36.
Inadequate make-up air. • Refer to Installation Instructions (supplied with tumble
dryer) for make-up air requirements.
POSSIBLE CAUSE TO CORRECT
Impurities on gas valve seat, preventing valve from
closing.
• Replace gas valve.
Incorrect wiring. • Refer to wiring diagram.