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GP Series Portable Chillers Chapter 6: Troubleshooting 56 of 90
Problem
Possible cause
Solution
Control circuit fuse blown.
Replace control circuit fuse.
Check transformer.
Check for a short circuit.
Defective control transformer.
Replace.
Piping flow switch circuit open.
Add water or water/glycol solution as
required.
Pump motor off on overload.
Reset and test.