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F232329
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Troubleshooting
6. No Motor Operation (With No AC Drive Fault)
Are there any
mechanical problems
in the drive system
(e.g., check the motor,
motor bearings, pulley
and belt)?
The motor is not
running and there is
no apparent AC drive
fault present.
Repair or
replace the
drive system
components
as needed.
Inspect the
wiring between
the interface
board and the
AC drive. Is any
of the wiring
loose or
damaged?
No
Repair or
replace the
wiring
between the
interface
board and the
AC drive as
needed.
Is the control
signal wiring
connected
properly?
Reconnect the
control signal
wiring.
Yes
Yes
No
Is there
incoming AC
voltage into
the AC
drive?
Yes
Repair or
replace the
AC drive
wiring as
needed.
No
Has the AC
drive been
programmed
with the correct
parameter set?
Yes
Re-program the AC
drive with the
correct parameter
set.
Contact Alliance
Laundry Systems'
customer service
department to
obtain the correct
AC drive illustration
for your motor and
drive combination.
No
Using the A-B 1336
Control Logic chart, check
the control signals
between the interface
board and the AC drive.
Yes
PHM2020S
1
No
