No Main Burner Flame, Igniter Does Not Spark - ALLIANCE AT050L Service Manual

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.

19. NO MAIN BURNER FLAME, IGNITER DOES NOT SPARK

NO
IGNITER
SPARKING
RESET BY OPENING
AND CLOSING DOOR
YES
GREEN WIRE
FROM
IEI CONTROL NO
CONNECTED TO
GROUND
TERMINAL?
YES
GAS SHUT-OFF
NO
VALVE
OPEN?
YES
24 VOLTS
PRESENT ON
NO
WHITE/BLACK
WIRE FROM
IEI CONTROL
YES
CHECK GAS
VALVE COILS
REPLACE
AS REQUIRED
20
IEI CONTROL IN
NO
SAFETY LOCKOUT
YES
OPEN AND
CLOSE DOOR
CONNECT
GREEN WIRE TO
GROUND TERMINAL
OPEN GAS
SHUT-OFF
VALVE
REPLACE
IEI
CONTROL
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
WARNING
RESISTANCE OF
HIGH VOLTAGE LEAD
NO
GREATER THAN 25,000
OHMS OR LESS THAN
5,000 OHMS
YES
REPLACE
HIGH VOLTAGE
LEAD
IGNITER GAP IS
NOT 5/32 IN.
REPLACE
NO
(.397 CM)
OR CERAMIC
CONTROL
CRACKED
YES
RE-GAP OR
REPLACE
IGNITER
W002
IEI
70269301