6
Troubleshooting
COMPRESSOR STOPS DUE
THE OUTLET WATER
TO OPERATION OF THE HIGH
TEMPERATURE EXCEEDS THE
SET VALUE
no
EXCESSIVE
WATER FLOW,
HIGH THERMAL
LOAD
yes
REDUCE THE FLOW RATE OF
THEWATER TO BE COOLED
HIGH
AMBIENT
TEMPERATURE
yes
RETURN THE
AMBIENT
TEMPERATURE TO
BELOW THE
SPECIFIED LIMIT
English
FAULT
COMPRESSOR STOPS DUE
TO OPERATION OF THE
PRESSURE
LOW PRESSURE SWITCH
SWITCH
no
PRESSURE SWITCH BROKEN OR
INCORRECTLY CALIBRATED
yes
REPLACE
PRESSURE
SWITCH
no
no
CONDENSER
FINS
DIRTY
yes
CLEAN THE
FINS OF THE
CONDENSER
CAUSE
no
no
REFRIGE---
INSUFFICIENT
RANT FILTER
WATER FLOW
CLOGGED
yes
yes
INCREASE THE
RENEW
FLOW RATE OF
THE FLUID TO BE
THE FILTER
COOLED
no
CONDENSER
FAN ROTATES
SURFACES
BACKWARDS
CLOGGED
yes
yes
SWAP OVER
CLEAR THE FRONT
THE
SURFACE OF THE CON-
PHASEWIRES
DENSER
PCW040-160
REMEDY
COMPRESSOR SUCTION,
LIQUID LINE FROSTED
no
THERMOSTATIC
THERMOSTATIC
VALVE
BULB
INCORRECTLY
DISCHARGED
CALIBRATED
yes
yes
no
RECALIBRATE
RENEW
THE VALVE
THE VALVE
LEAKS IN CIRCUIT,
SYSTEM DISCHARGED
yes
CHECK FOR
LEAKS, REPAIR,
CHARGE THE
CIRCUIT
THE COMPRESSOR RUNS
FOR LONG PERIODS, IS NOISY
COMPRESSOR
COMPONENTS
DETERIORATED
yes
no
REPAIR OR
REPLACE
COMPRESSOR
no
REFRIGERANT
FILTER
CLOGGED
yes
RENEW
THE FILTER
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