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F232329
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Troubleshooting
5. No Fuseboard Functions
PHM1997S
ARE
ANY OF
THE LIGHTS ON
THE
FUSEBOARD
TURNED
ON?
5
6
2
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
READ
BETWEEN J5-2
AND A
GROUND. IS
THERE
VOLTAGE (120
VOLTS)?
READ
BETWEEN THE
ACN INPUT AND
A GROUND. IS
THERE
VOLTAGE (120
VOLTS)?
IS THERE
VOLTAGE
(200-240 VOLTS)
BETWEEN THE
ACH AND THE
ACN?
IS THE
INPUT POWER
WIRE CONNECTED TO
THE L2 TERMINAL ON
THE INPUT POWER
BLOCK? IS THE INPUT
POWER WIRE
INTACT?
IS THE
INPUT POWER
WIRE CONNECTED TO
THE L1 TERMINAL ON
THE INPUT POWER
BLOCK? IS THE INPUT
POWER WIRE
INTACT?
NO
READ
BETWEEN J4-2
AND A
GROUND. IS
THERE
VOLTAGE (120
VOLTS)?
NO
IS THE
SQ3 CLOSING
(I.E., IS THERE A
CLOSED CIRCUIT
BETWEEN PINS J12-1-2
AND J12-1-9 ON THE
SQ3 WHEN THE
DOOR IS
CLOSED?
YES
YES
YES
YES
YES
NO
YES
YES
REPLACE THE FU1B
FUSE.
REPLACE THE
FU1B FUSE.
IS THE FU1B
FUSE
INTACT?
IS THE FU1B
FUSE
INTACT?
REFER TO THE "NO FILL
ANALYSIS" FLOWCHART
AT POINT A.
POINT B
DOUBLE-CHECK THAT
THE CIRCUIT IS
CLOSING. IF IT IS
CLOSING, REPLACE
THE INTERFACE
BOARD.
CONNECT AND/OR
REPAIR/REPLACE
THE INPUT POWER
WIRE.
CONNECT AND/OR
REPAIR/REPLACE
THE INPUT POWER
WIRE.
CHECK THE WIRING
BETWEEN THE J5-2
AND THE ACH.
CHECK THE WIRING
BETWEEN THE SB1 AND
THE J4-2.
IF THE WIRING IS OKAY, IS
THERE VOLTAGE (125
VOLTS) INTO AND OUT OF
THE E-STOP SWITCH SB1?
SOME OF THE LIGHTS ON
THE FUSEBOARD MUST BE
TURNED ON. PLEASE
DOUBLE-CHECK AND SEE
THE “YES” PART OF THE
FIRST QUESTION.
CHECK THE CIRCUIT BREAKER IN
THE BREAKER BOX, RESET
AND/OR REPLACE THE CIRCUIT
BREAKER AS NEEDED.
CHECK THE CIRCUIT BREAKER IN
THE BREAKER BOX, RESET
AND/OR REPLACE THE CIRCUIT
BREAKER AS NEEDED.
RESET AND RETURN (EITHER BY
PULLING OR BY TWISTING AND
PULLING) THE E-STOP SWITCH
SB1.
AFTER RESETTING AND
RETURNING THE SB1, IS THERE
STILL NO VOLTAGE AT SB1?
MAKE SURE THAT THE DOOR MAGNET IN THE
DOOR HANDLE IS IN PLACE. REPLACE IT IF IT
IS MISSING. IF THE MAGNET IS IN PLACE,
CHECK THE MAGNETIC SWITCH AND
REPLACE IT IF NEEDED. ALSO CHECK THE
PLUG CONNECTIONS BETWEEN THE
MAGNETIC SWITCH AND THE INTERFACE
BOARD.
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3
10
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