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Fault description
Cause
Remedy
No heat or insufficient
heating output
Heat exchanger fins soiled
n
Check heat exchanger and clean if neces-
sary
Water lines kinked or
crushed
n
Rectify cause of fault or install new hose.
Insufficient water pump pres-
sure
n
No coolant flow through heat exchanger.
Install an additional or more powerful pump.
Insufficient air flow because
air filter is clogged
n
Clean or replace filter.
Resistor defective
n
Replace resistor
Climate control defective
n
Check and replace if necessary.
Water leaking from device Hose connection loose
Check hoses and tighten hose clips
Water hose damaged
n
Install and connect new hose
Heat exchanger damaged
n
Install an original replacement part and con-
nect.
Attention! Observe the safety instructions.
Air flaps stuck
Servomotor defective
n
Replace servomotor
Foreign object is blocking
flap
n
Check flap, remove foreign object.
Flap deformed
n
Check flap and straighten if necessary.
Flap bearing is defective
n
Check flap bearing and replace if necessary.
Control system defective
n
Check control system and replace if neces-
sary.
Fault description
Cause
Remedy
Compressor not
working
Interruption in the solenoid coil of the
compressor
n
Check the current flow to the clutch.
V-belt loose or torn
n
Adjust the V-belt tension, replace V-
belt.
V-belt pulley does not turn, even though
the magnetic clutch is engaged
n
Check compressor and replace if
necessary.
Compressor clutch slips
n
Repair coupling or replace com-
pressor.
Control system defective
n
Check control system and replace if
necessary.
Evaporator flooding
Expansion valve is stuck in open posi-
tion, or hangs
n
Replace expansion valve.
Evaporator icing up
Thermostat sensor at the wrong position
n
Reposition sensor.
Expansion valve, thermostat or collector
drier is defective
n
Replace expansion valve, thermo-
stat or collector drier
Cooling capacity
Operation
27.04.2020
140.5.204 Telescopic crane
548
Fo
r
Reference
Only
Summary of Contents for 140.5.204
Page 69: ...Safety instructions 27 04 2020 140 5 204 Telescopic crane 69 F o r R e f e r e n c e O n l y ...
Page 70: ...Safety instructions 27 04 2020 140 5 204 Telescopic crane 70 F o r R e f e r e n c e O n l y ...
Page 87: ...Safety instructions 27 04 2020 140 5 204 Telescopic crane 87 F o r R e f e r e n c e O n l y ...
Page 88: ...Safety instructions 27 04 2020 140 5 204 Telescopic crane 88 F o r R e f e r e n c e O n l y ...