Display Description Cause/Corrective Action
E d 29
Motor Not Connected Error The motor or one of its electrical phases is not connected. Check
that the harness from the motor to the drive board is fully plugged in
on both ends and that there is no damage to the motor harness. Make
sure to push in the motor harness on both ends just in case it is a
little loose and not fully inserted. If the harness looks fine and the
error still occurs, try replacing the drive board or harness. Power
down to clear error.
E d 31
Overload Current Detection The drive has expended too much energy which means the system is
being overloaded. Check that drum spins freely when empty. Check
for overloading of machine. Check motor harness for damage. Re-
duce agitation time and duty cycle if rotate/pause times are very
short and programmable. Power down to clear error. Replace drive
board if error persists.
E d 32
Back EMF Error The drive has detected a problem with the motor. Check that drum
spins freely when empty. Check for overloading of machine. Check
motor harness for damage. Reduce agitation time and duty cycle if
rotate/pause times are very short and programmable. Power down to
clear error. Replace motor or drive board if error persists.
E d 33
Fatal Start-Up Failure The drive has detected a problem with the motor. Check that drum
spins freely when empty. Check for overloading of machine. Check
motor harness for damage. Reduce agitation time and duty cycle if
rotate/pause times are very short and programmable. Power down to
clear error. Replace motor or drive board if error persists.
E d 34
Locked Rotor Error The drive has detected a problem with the motor. Check that drum
spins freely when empty. Check for overloading of machine. Check
motor harness for damage. Reduce agitation time and duty cycle if
rotate/pause times are very short and programmable. Power down to
clear error. Replace motor or drive board if error persists.
E d 44
Overcurrent Shunt Detection Circuit
Fail Error
Hardware failure. Power down to clear error. Replace drive board if
error persists.
E d 51
Inrush Pin HW On/Off Fail Hardware failure. Power down to clear error. Replace drive board if
error persists.
E d 63
Fatal IPM Temperature Short Error Hardware failure. Power down to clear error. Replace drive board if
error persists.
E d 64
Fatal IPM Temperature Open Error Hardware failure. Power down to clear error. Replace drive board if
error persists.
E d 65
Inverter Hardware Acquisition Fail-
ure
Hardware failure. Power down to clear error. Replace drive board if
error persists.
E d 66
Voltage Bus Acquisition Failure Hardware failure. Power down to clear error. Replace drive board if
error persists.
E d 67
Motor Initialization Error Hardware failure. Power down to clear error. Replace drive board if
error persists.
Table 37
Error Codes
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Copyright, Alliance Laundry Systems LLC -
DO NOT COPY or TRANSMIT
166 Part No. F8615401ENR4
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