8514-296-001 REV K page 76
Delay
The main slave starts displaying this error
after 6 seconds of no (valid) I2C activity.
The master micro goes into this permanent
error state after 8 seconds of no (valid)
I2C activity
Action Stop the washer and turn off all outputs.
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.
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