7 Troubleshooting
Overload protector (SK/
Cooling air outlet too high
/ High dew point
HT) tripped
No
Yes
Ambient temper-
Condenser dirty
ature over 122°F
(50°C)
Yes
Clean
No
condenser
Yes
Fan does not work
No
Excessive
Yes
compressed air
thermal load (compressor head
quantity or air
too hot)
temperature
No
Low current
Insuffi cient refrigerant:
Yes
repair any leaks and
consumption
recharge the circuit
No
English
FAULT
Compressor noisy
Reduce
Yes
temperature
Clean
condenser
Repair
Yes
fan
Compressor
No
components
perished
Yes
Repair
Reduce
fan
Yes
Repair or
replace
compressor
SPS0010-SPS0250 (60Hz)
REMEDY
CAUSE
Excessive
High pressure drop on
current
air side
consumption
Heat exchanger fouled
Condenser dirty
with debris
No
Yes
Fan does
Clean heat exchanger
not work
(blow compressed air
in opposite direction to
operating air fl ow). Fit/
renew prefi lter
No
Compressor
winding insulation
partially perished
(compressor
too hot)
No
High refrigerant dis-
No
Ice formation on evaporator
Yes
(low evaporation pressure)
Replace
sensor
Yes
Yes
Clean
condenser
By-pass air fl ow keeping
Yes
air inlet open. Open conden-
sate drain valve manually.
Restart appliance checking
setting of expansion
Replace
valve.
fan
charge
pressure
Temperature sensor
calibration
error or
damaged
No
Condenser
dirty
No
Fan does
not work
No
Seek external
assistance
8/8