Product Manual

Table Of Contents
Condition Fault Remedy
Condenser pressure
too high or too low
Fan control switch out of order Have switch replaced
Condenser fan motor out of order Have fan motor inspected
Ambient temperature too high Improve ventilation of compressor room,
see section Installation proposal
Condenser externally clogged Clean condenser
Motor of refrigerant
compressor stops or
does not start
The internal thermal protection of the
motor has tripped
Compressor will restart when the motor
windings have cooled down.
Electric power supply to refrigerant
compressor interrupted
Check and correct as necessary
Evaporator pressure is
too high or too low
Condenser pressure too high or too low See above
Shortage of refrigerant Have circuit repaired or recharged
Hot gas bypass valve incorrectly set or
out of order
Have the valve adjusted or replaced
Condensate trap
continuously
discharging air an
water
Automatic drain out of order Have the drain checked. Replace as
necessary
Electronic condensate
drain inoperative
Drain system clogged Clean the filter of the automatic drain by
opening the manual drain valve. Check
functioning of the drain by pushing the
test button.
Instruction book
2920 7140 52 95