Parker 200 Manuel D'utilisation page 7

7 troubleshooting
High current absorp-
Compressor noisy
tion
Yes Yes
Compressor
No
Condenser dirty or
components
obstructed
perished
Yes No
Repair or
Compressor wind-
replace Yes
ing with partial
compressor
loss of insulation
Z
No
English
FAULT
Low dew point
Yes
Yes
Clean
Low cooling air Yes
condenser
temperature
No
Replace
Fan always
pressure
Yes
working (PV
switch
pressure switch
Z
fault)
No
Calibrate
Yes
Hot gas valve not
valve
calibrated
Z
No
REMEDY
CAUSE
No
High dew point re-
frigeration compressor
operating?
Yes
Increase
cooling air
temperature
Excessive thermal load
(air fl ow, inlet temperature)
No
Replace
Fan pressure
Yes pressure
switch (PV)
switch
not set
Z
No
No
Low current refrigerant
Yes
absorption recharge
Z
No
Request external
assistance
ST thermostat tripped
Yes
Decrease
Yes
Cooling air high
cooling air tem-
temperature
perature
No
Decrease
Yes
compressed
air quantity tem-
perature
No
Condenser
Yes Clean
dirty or ob-
condenser
structed
No
Replace
pressure switch
Yes
Low current
Z
absorption
No
Replace
fan
Z
HP pressure switch
tripped
Yes
Yes
Cooling air high
temperature
No
Excessive thermal
Yes
load (inlet air fl ow,
temperature)
No
Yes
Condenser dirty
or obstructed
No
Fan does
Yes
not turn (PV pres-
sure switch fault)
No
Yes
Fan fault
No
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