System Problem Diagnosis (Is4, Qt4) - Pentair EasyTouch PL4 User Manual
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- Installation manual (48 pages) ,
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- Installation manual (20 pages)
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62
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.
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Questions and answers
I have a pool and spa combination, and the spa keeps emptying into the pool. Once the recycle program starts, the spa fills backup, however every morning the spa is empty. How can I troubleshoot this ?
To troubleshoot the issue of your Pentair EasyTouch PL4 spa emptying into the pool, follow these steps:
1. Check Valve Actuators (CVA-24T): Verify that both valve actuators are correctly set for suction and return. Use the toggle switch on the back of the actuator to adjust the valve position.
2. Inspect the Valve Positions: Press the "Valves (V)" button on the control panel and step through all four valve positions (Pool, Spa, etc.) to ensure they are functioning correctly.
3. Service Mode Check: Ensure the system is not in "Service" or "Timeout" mode, as these can affect valve operation.
4. Filter Pump Operation: Press the "Filter Pump (F)" button to activate the pump and confirm water is circulating properly between the pool and spa.
5. Solar Valve Configuration (if applicable): If you have a solar system, check that the solar valve has rotated correctly from the “solar bypass” position to the “solar” position.
6. Check for Plumbing Issues: Ensure that the plumbing setup follows the recommended hydraulic schematics and that the spa is at or above the pool level if attached.
If the issue persists, consider resetting the system or consulting a professional for further diagnosis.
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