8514-296-001 REV K page 86
Solution Check VFD light code before turning off
power. Check the washer motor to ensure
it turns freely. Check the wiring for loose
connections to the drive and motor.
Measure the braking resistor values.
Check for damaged motor wires. Check V-
Belt tension and adjust to 1” deflection at
center. Check braking resistors. If
problem reappears, contact your Dexter
representative.
DRIVE_COMM_2 VFD Internal
Communication
Error
Condition This error occurs when communication
issues are detected in the VF drive
Delay
Occurs following the “DELAY” error (see
corresponding detail)
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 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
representative.
DRIVE_COMM_1 VFD Non Existent
or communication
fault
Condition This error is when the washer controller
cannot communicate with the drive.
Delay Delay time is 2 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
Check the data communication cable
between the washer computer and the
variable frequency drive (VFD).
Step 1: Make sure the cable did not
become unplugged during operation.
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 communications cable
are plugged in the washer computer and
VFD and there is no tension on the
communications cable pulling it from side
to side, then replace the cable.
Step 3: Inspect both female connection
points at PCB controller and at VFD.
These may need replacement if they
cannot be reset.
Note: Whenever power is turned off to the washer, it must remain off for one minute. The washer
will not operate properly if this is not done.
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