System Problem Diagnosis (Is4, Qt4) - Pentair EasyTouch PL4 User Manual

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System Problem Diagnosis
Use the following information to resolve control system problems.
Problem: The control system works in Service Mode, but EasyTouch PL4/PSL4 Control System Indoor
Control Panel fails to operate.
Symptom
Indoor Control Panel has no
power - (screen, blank, no
LEDs, buttons not working).
Indoor Control Panel lights up,
but fails to operate correctly.
The unit will not turn equipment
on/off, or may turn some items
on, but not off and may not
LEDs near buttons on control
panel.
Problem: iS4 fails to operate.
Symptom
iS4 Remote fails to operate
equipment.
iS4 fails to operate only some
of the switches, but others work
fine.
EASYTOUCH PL4/PSL4 Control Systems User's Guide
®
Possible Cause
Bad wiring run from
Outdoor Control Panel/
main circuit board in the
Power Center.
Defective Cable/wiring
Possible Cause
iS4 Remote is disabled.
Defective Wiring
Incorrect configuration
or button setup.
Defective iS4 Remote
Defective wiring on one
or more iS4 leads
Incorrect configuration
or circuit to switch
assignment.
Solution
Verify cable and ensure no connections are broken.
In some cases a wire is broken under the insulation.
The two center wires of the four conductor cable are
suspect (Green and Yellow)
Verify cable and ensure no connections are broken.
In some cases a wire is broken under the insulation.
The two center wires of the four conductor cable are
suspect (Green and Yellow)
Solution
See page 54 to enable the iS4.
Verify iS4 Remote setup. Ensure the iS4 Remote in
question has the expected circuit assignments, and is
not assigned to unused circuits.
See page 49 to setup the iS4 Remote buttons.
Replace defective iS4 Remote
Verify wiring on main circuit board and iS4.
Verify circuit board connection.