Compact Cooler 4E / 5 / 5 Lite / 8
17
4 Troubleshooting
If a fault occurs, check the fuse for
operation and the plug connections for
proper condition and firm seating.
4.1 Faults in the air-
conditioning / heating
system
Possible causes:
• Defective evaporator or condenser fan
(only evaporator fan on Compact
Cooler 5 Lite)
• Soiled or clogged air filter, condenser,
evaporator or heater heat exchanger
fins (Compact Cooler 5 Lite has no
condenser)
• Loss of refrigerant or too little
refrigerant in the system
• Loss of coolant or too little coolant in
the system
• Air in coolant circuit (bleed circuit via
bleed valve of Compact Cooler 8
system)
The air-conditioning system must be
inspected by an authorised service centre if
the system cuts out continuously.
4.2 Faults in the refrigerant
circuit
If malfunctions occur in the refrigerant
system, it must be checked by an authorised
service centre and repaired properly. Under
no circumstances may refrigerant be vented
into the open air (see § 8 CFC-Halon
Prohibition Directive dated 06.05.91).
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