8514-296-001 REV A page 56
Solution
Check VFD fault light before turning off power. Try the
data cable first. Move around cable and remove any
side loading tension from data cable connector ends.
Check connection P23 to P15. Turn power back on to
the washer. If the problem returns, replace the PCB
washer controller.
Condition Invalid washer size jumper (harness) configuration.
COMM
ERROR2
Wrong Washer
Size Jumper
Configuration
Delay
Immediate (after the wrong size jumper configuration
is read). Washer size/type inputs are read only at
power up, before starting a cycle, once every 24
hours, and in factory test mode.
Action Stop the washer.
Solution
Check VFD fault light before turning off power. If the
controller was installed in a different size machine
before being installed in this machine, a problem can
occur. If someone has been doing repairs on the
washer, check for the correct size drive. It can also be
caused by pressure switch harness. Check to ensure
the correct harness in installed. The control can be
reset by holding program button on controller during
startup (soft reset). Check orange wire at Molex
connector on controller coming from pressure switch
or replace pressure switch harness.
Condition
The washer size or washer type configuration has
changed.
COMM
ERROR3
Washer Size or
Type Changed
Delay
Immediate (after the size jumper configuration is
read). Washer size/type inputs are read only at power
up, before starting a cycle, once every 24 hours, and
in factory test mode.
Action Stop the washer.
Solution
Check VFD fault light before turning off power. Check
to ensure all the harnesses are properly connected to
the controller. Check to ensure the VFD drive
horsepower is proper for this size of washer. The
control can be reset by holding program button on
controller during startup (soft reset). Check orange
wires at Molex connector on controller coming from
pressure switch.
COMM
ERROR4
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.
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