English
7
Troubleshooting
Overload protector (SK/
Cooling air outlet too
high / High dew point
HT) tripped
No
Yes
Ambient tem-
Condenser dirty
perature over
122°F (50°C)
Yes
Clean
No
condenser
Yes
Fan does not work
No
Excessive
Yes
compressed air
thermal load (compressor
quantity or air
head too hot)
No
Low current
Insuffi cient refriger-
Yes
ant: repair any leaks and
consumption
recharge the circuit
No
FAULT
Compressor noisy
Reduce
temperature
Clean
condenser
Repair
fan
Compressor
No
components
perished
Yes
Repair
Reduce
fan
temperature
Yes
Repair or
replace
compressor
SPE026 / 100-ES
REMEDY
CAUSE
Excessive
High pressure drop on
current
air side
consumption
Yes
Heat exchanger fouled
Condenser dirty
with debris
Yes
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-
Fan pressure switch (PV)
Ice formation on evapora-
No
Yes
tor (low evaporation
pressure)
Replace
pressure switch
Yes
Yes
Clean
condenser
By-pass air fl ow keep-
Yes
ing air inlet open. Open
condensate drain valve
manually.
Restart appliance checking
Replace
setting of expansion
fan
valve.
6 / 6
charge
pressure
calibration
error or
damaged
No
Condenser
dirty
No
Fan does
not work
No
Seek external as-
sistance