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7
Troubleshooting
High dew
point
Compressed
air pressure
No
No
too low
Yes
Increase air
pressure
Fan does
not work
Yes
Repair
fan
FAULT
Compressor
High air
overload
outlet
protector
temperature
tripped
Ambient
Condenser dirty
temperature
(cooling
over 122˚F
air outlet
(50˚C)
too hot)
No
Yes
High
refrigerant
Clean
discharge
condenser
Yes
pressure
No
No
Reduce
Excessive
compressed air
thermal load
quantity or
(compressor
Yes
air
head too hot)
temperature
No
Lack of
Low current
refrigerant:
consumption
Yes
Recharge
No
CAUSE
REMEDY
LP
low refrigerant
Compressor
suction
noisy
pressure
Reduce
Clean
temperature
condenser
Yes
Repair
fan
Compressor
components
No
perished
Yes
Repair or
replace com-
pressor
Ice
Excessive
formation in
current
air ---air
consumption
exchanger
Condenser dirty
Low water
Replace
(cooling
temperature
air outlet
Yes
too hot)
Yes
No
Clean
condenser
Fan does
not work
Yes
No
Check
Replace
sensor 18.
Compressor
winding insulation
partially perished
Yes
(compressor
too hot)
No
6
SRC- - 150 --- SRC- - 1000
HP
high refrigerant
discharge
pressure
Fan not working
(failure PV
PV
fan pressure
Yes
switch)
No
Condenser
dirty
Yes
No
Fan does
fan
not work
Yes
No
Seek exter-
nal assis-
tance
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