Fault Description Customer Action
COMM
ERROR 7
Communication
Bus Error
Condition If a state-of-health message reply is not seen by the
master microprocessor from the UC3 microprocessor
after 10 minutes, the master will reset the UC3 and
restart the 10 minute timer. Again, after 10 minutes,
if a state-of-health message is not received by the
master, it will reset the UC3 a second time. After 10
minutes, the master will reset the UC3 a nal time
and post a COMM ERROR 7.
Note: When the master resets the UC3, the control
will disconnect from the network. If the rst reset
is not successful, the control will not be able to
reconnect to the network, USB or card reader
functions.
Delay 3 cycles of 10 minutes (see above)
Action Stop the machine and clear the cycle. Keep the
door locked until the machine has stopped moving
and then unlock the door.
Solution The washer will not restart until the power is
removed and re-applied.
PCB
ERROR1
Controller Internal
Fault
Condition This error is an internal failure of the washer
controller electronics.
Delay Immediate
Action Stop the machine and clear the cycle. Keep the door
locked until the machine has stopped moving and
then unlock the door.
Solution Check VFD fault light before turning o power. Try a
soft Reset of the controller with the white button. If
problem. Replace PCB controller.
PCB
ERROR 2
Controller Internal
Fault
Condition This error is an internal failure of the washer
controller related to inputs being matched between
the master and slave micros
Delay Immediate
Action Stop the machine and clear the cycle. Keep the door
locked until the machine has stopped moving and
then unlock the door.
Solution The washer will not restart until the power is
removed and re-applied.
60
Part # 8533-081-001 1/18
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