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Figure 5-4. Fault Condition Status Screen - Coil Freeze Warning
Fault Condition
When properly installed according to the instructions in this manual, the PoolPak control system will perform as
designed and will provide a pool environment that is both comfortable and cost effective. However, in the unlikely
event that the system does not function properly, the controller has many features that will help a service technician
resolve the issue.
Whenever a fault condition occurs, the alarm button on the RIU and CM1 ! will glow red and the displays
will show a fault condition screen. After 10 compressor-related faults occur, the affected compressor module will be
locked out for protection. Repetitive faults can cause compressor motor failure. When a compressor fault condition
exists, it must be diagnosed and corrected before resetting the system. For more information on the possible fault
conditions that can occur, refer to the Troubleshooting section in this manual.
After a fault has been eliminated, the control panel alarm light will remain lit. However, the alarm will no longer be
shown in the normal status screen rotation. Pressing the alarm key will show any faults that have occurred since the
alarm light was reset.
Alarm Reset
To reset the alarm on the RIU, press and Esc at the same time. CM1/compressor module: ! and . If there
are currently no active fault conditions, the alarm light will go off. The alarm contact closure output of the controller
operates in conjunction with the alarm light on the RIU and CM1.
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