8514-296-001 REV K page 82
COMM ERROR7 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 final time and
post a COMM ERROR 7.
Note: When the master resets the UC3,
the control will disconnect from the
network. If the first 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 When detected, the washer control will
stop the machine and clear the cycle. It
will 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.
COMM ERROR8
VFD
Communication
Fault
Condition
This error is caused when the VFD reports
a frequency value that is out of range
Delay Delay time is 35 seconds
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.
SECONDARY
FUSE ERROR
Factory
program error
Condition This error occurs when the fuse settings
for the Slave/Secondary microprocessor
have not been set correctly during factory
programming
Delay None
Action When detected, the washer control shall
not be operational.
Solution
The control must be re-programmed with
the factory programming tool.
MAIN FUSE
ERROR
Factory
program error
Condition This error occurs when the fuse settings
for the Master/Main microprocessor have
not been set correctly during factory
programming
Delay None
Action When detected, the washer control shall
not be operational.
Solution
The control must be re-programmed with
the factory programming tool.
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