44
Pro Dry Instruction Manual
|
Walker Filtration
|
www.walkerfiltration.com
Section 8:
Troubleshooting
Troubleshooting: Electrical
Problem
Possible Cause
Display
Priority
Location
Action
No dryer function
No power supply
None
-
-
Check supply
Incorrect dryer
operation
Left solenoid open or short
circuit
Flashing red
P1
X LED
Replace solenoid valve
Right solenoid open or short
circuit
Flashing red
P1
Y LED
Replace solenoid valve
Controller fault
Flashing red
P2
POWER LED
Replace controller
Low power fault
Continuous red
P1
POWER LED
Check supply
Drain not operating
Energy Management active
None
-
-
Check installation
Drain solenoid open or short
circuit
Flashing red
P1
Z LED
Replace solenoid valve
Controller fault
Flashing red
P2
POWER LED
Replace controller
Tube connections from filter
into dryer and from filter to
drain reversed
None
-
-
Reverse tubes
Troubleshooting: Energy Management
Problem
Possible Cause
Action
Dryer does not enter Energy
Management when switching device is
activated
and/or
Dryer does not enter
Energy Management when EM contacts
are opened.
Shorted or incorrect device wiring
Remove external wiring from the dryers EM
contacts and place jumper between pins 1
& 2. To test with Energy Mangement not
connected.
Faulty switching device
Consult device manufacturer
Recent cartridge change, where the control
does not have a minimum of 6 hours on
the ‘Service hours from new’ found on the
dryer’s main software window
Allow dryer to be energised for 6 hours
