CLIMATIC™50 – IOM – Rooftops/ Aircoolair CL50-ROOFTOPS-IOM-1107-E
42
The compressors shut down on HP Cutoff or Electrical Protection
Error code: 115, 125, 135, 147
Description
During start up or operation of a compressor:
The HP pressure switch of the Circuit is open.
The internal protection of a compressor in the Circuit has tripped.
The flow thermostat of a compressor in the Circuit has tripped.
Action
" Immediate shut down of the compressors in the circuit.
" Fault signalling.
If a DS50 is connected to the unit; Memorisation and diplay of all faults.
Otherwise; Memorisation and display only of the 3rd daily fault.
" Display of fault.
115, Circuit 1.
125, Circuit 2.
135, Circuit 3.
145, Circuit 4.
Reset
The safety device is automatically cancelled 30 minutes after activation.
The fault will no longer be reset automatically after 3 cutouts in the same day and must be reset manually.
Note: The fault counter is cleared and reset every day at 10 am provided the maximum number of faults has not
been reached.
Possible causes Solving the problem
Dirty condenser Clean the condenser
Fan out of order Replace the fan
Incorrect wiring of the high pressure switch Check the wiring of the high pressure switch
Dirty filter drier Replace the filter drier
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