Arneg SR2 Manuel D'installation Et De Service page 43

SR2-SR3
English
Compressor
stops due to
high-pressure
pressure switch
activation.
The unit works
for a long period
without stopping
The unit is
noisy
The intake line
contains water
or is covered
with ice
i
in all the cases not described or where it is not possible to solve the problem with these
indications, contact the nearest Service Centre
42
Malfunction of the high-pressure
pressure switch
Compressor supply valve partly
closed
Air within the cooling system
Fan failure or operation at low
flow rate
Poor refrigerant load
Control contacts are melted
Air within the cooling system
Poor insulation
Compressor performance
dropped
Vibrations within pipes
Compressor is noisy
The insulation is worn
Check the setpoints of the
pressure switch
Replace
Open the compressor supply
valve
Bleed the air from the cooling
circuit
Check the motor, the fan and the
electrical connections
Refill with refrigerant
Replace the damaged element
Bleed the air from the cooling
circuit
Replace or repair the insulation
Check the valves of the
compressor
Replace, if necessary
Secure the pipes
Check that the connectors of the
pipes are tightened
Check the valve plate.
Replace the compressor if the
bearings are worn.
Check that the screws that
secure the compressor are
tightened
Have the insulation replaced
05060162 00 02/02/2016