Troubleshooting - Parker Hiross Starlette-Plus SPH004 Manuel D'utilisation

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7

Troubleshooting

Overload protector
Cooling air outlet too
high / High dew point (SK/HT) tripped
No
Ambient
Condenser dirty
temperature 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)
temperature
No
Insuffi cient
Low current
Yes
refrigerant: repair any
consumption
leaks and recharge the
No
FAULT
Compressor noisy
Yes
Reduce
temperature
Clean
condenser
Repair
fan
Compressor
No
components
perished
Yes
Reduce Repair
fan
Yes
Repair or
replace
compressor
circuit
SPH004-018
CAUSE REMEDY
Excessive
High pressure drop on
current
air side
consumption
Yes
Heat exchanger fouled
Condenser dirty
with debris
Yes
No
Clean heat ex-
Yes Fan does
changer (blow com-
not work
pressed air in opposite
direction to operating
air fl ow). Fit/renew
prefi lter
No
Compressor
winding insulation
partially perished
(compressor
too hot)
No
Fan pressure switch (PV)
Ice formation on evapo-
No
Yes
rator (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.
4
High refrigerant
discharge
pressure
calibration
error or
damaged
No
Condenser
dirty
No
Fan does
not work
No
Seek external as-
sistance