Atlas Copco SF 15+ Instruction Book page 97

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