0906-E
37
FAULT CODES
HIGH PRESSURE TOO HIGH
Fault Code: 1n5
Description
High pressure switch from circuit n has tripped.
Action
$ Immediate shut down of circuit n.
$ Fault signal shown on the display.
$ The remote fault signal is delayed by 6 minutes
Reset
The first 3 faults are automatically reset
After three faults the circuit n can only be restarted by a manual reset
Notes:
Fault counter is cleared and reset every day at 10 am, as long as the maximum number of faults has not
been reached.
Possible causes Solving the problem
Dirty condenser. Clean the condenser.
Wrong setting on the condenser control. Check the settings of the controller.
Wrong operation of the liquid line solenoid valve Check the operation of the solenoid valve.
Fan out of order Change the fan
Wrong wiring or wrong setting of the high
pressure, pressure switch.
Check the wiring and the setting of the HP
switch.
Dirty Filter Drier Change the filter drier.
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