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8514-300-001 REV PR
Soluon Check VFD light code before turning off power.
Check the washer motor to ensure it turns
freely. Check the wiring for loose connecons to
the drive and motor. Measure the braking
resistor values. Check for damaged motor
wires. Check V-Belt tension and adjust to 1”
deflecon at center. Check braking resistors. If
problem reappears, contact your Dexter
representave.
DRIVE_COMM
2 VFD Internal
Communicaon
Error
Condion This error occurs when communicaon issues
are detected in the VF drive
Delay Occurs following the “DELAY” error (see
corresponding detail)
Acon Stop the machine and clear the cycle. Keep the
door locked unl the machine has stopped
moving and then unlock the door.
Soluon Check VFD light code before turning off power.
Turn the power off to the washer. If no problem
is observed, turn on power to the washer and
test. If problem reappears, contact your Dexter
representave.
DRIVE_COMM
1 VFD Non
Existent or
communicaon
fault
Condion This error is when the washer controller cannot
communicate with the drive.
Delay Delay me is 2 seconds
Acon Stop the machine and clear the cycle. Keep the
door locked unl the machine has stopped
moving and then unlock the door.
Soluon Check the data communicaon cable between
the washer computer and the variable
frequency drive (VFD).
Step 1: Make sure the cable did not become
unplugged during operaon.
Step 2: Make sure that the cable is not being
pulled sideways at either the washer controller,
or the VFD, plug end. If both ends of the
communicaons cable are plugged in the
washer computer and VFD and there is no
tension on the communicaons cable pulling it
from side to side, then replace the cable.
Step 3: Inspect both female connecon points
at PCB controller and at VFD. These may need
replacement if they cannot be reset.
Table 7-7 Displayed Washer Faults Table
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