0906-E
30
FAULT CODES
INSUFFICIENT WATER FLOW RATE
Fault Code: 001
Description
The flow switch FSE is detecting a low water flow rate in the evaporator heat exchanger for more than 3
seconds
Action
$ Immediate shutdown of the whole unit.
$ A fault signal is shown on the display.
$ The remote fault signal is delayed by 6 minutes
Reset
The unit restarts automatically, 20 seconds after the flow switch detects a flow rate.
Possible causes Solving the problem
Problem with the pump control wiring. Check the pump connections
Problem with the flow switch wiring Check the flow switch connections
Dirty or clogged water filter. Clean the water filter.
Wrong setting of the flow switch. Check the flow switch settings.
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