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Allen-Bradley 1336-Series AC Drives
107
F232120
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Allen-Bradley Drive Fault Codes
Table 56 (continued)
Allen-Bradley Drive Fault Codes
Fault
Description
Corrective Action/
Remarks
02
Motor Temp
Fault
The motor thermal switch path is 
open.
Motor temperature high. Check for: ambient air, cooling 
fan blockage or operation, break in switch wire path (not 
on all machines).
03
Power Loss Fault
DC Bus voltage remains below 
85% nominal for longer than .5 
seconds.
Monitor incoming AC line for low voltage or line power 
interruption.
04
Under Voltage Fault
DC Bus voltage fell below 
minimum.
Monitor AC incoming AC line for low voltage or line 
power interruption.
05
Over Voltage Fault
DC Bus maximum voltage 
exceeded.
Monitor the AC line for high line voltage or transient 
conditions. High voltage can result from motor 
regeneration. Buck transformer may be required.
06
Motor Stall
Motor has stalled. Motor load is 
excessive.
Check motor wiring and connection terminals. Check wash 
basket freedom of movement and excess belt tension.
07
Motor Overload Fault
Internal electronic overload trip. 
Excessive motor load exists.
Check motor wiring and connection terminals. Check wash 
basket freedom of movement and excess belt tension.
08
Over Temperature Fault
Excessive heat detected by 
heatsink transducer.
Clear blocked or dirty heatsink fins. Check ambient 
temperature. Check for blocked or nonoperating fan.
10
Serial Fault
Drive lost communication with 
controlling device.
HIM removed while power applied, cycle power to clear.
12
Overcurrent Fault
Overcurrent detected in 
instantaneous hardware trip circuit.
Check short circuit at the controller output or excessive 
load conditions at motor.
22
Controller Reset Fault
Stop input not present.
Check stop input into control terminal board. Close door 
and ensure any jumpers are placed correctly.
32
EEPROM Fault
EEProm has invalid data.
Consult the factory for further instructions.
33
Max Retries Fault
Controller failed to reset fault 
within the number of retries.
Fault exists that must be corrected before further operation. 
Check “Fault Buffer 1” on 1305 and 1336 for specific fault 
that triggered max retries fault.
38
Phase U Fault
Phase-to-ground fault detected 
between controller and motor in 
Phase U.
Check wiring between the drive and motor. Check for 
grounded phase.