B1600PLUS, B2200, B2600 Troubleshooting
49
12 Troubleshooting
Once per year Check the profile seals:
➤ Check the seal between the roof air conditioner and the roof of
the vehicle for cracks and other damage.
Once per year Have the heat exchanger serviced:
➤ Have the heat exchanger of the roof air conditioner serviced
by specialist workshop.
Once per year Replace the carbon filter:
➤ Manually take off the filter cover (fig. 0, page 6).
➤ Remove the filter (fig. a 1, page 3).
➤ Remove the carbon filter (fig. a 2, page 7).
➤ Put a new carbon filter in.
➤ Clean the filter with a detergent solution and let it dry.
➤ Put the dry filter back in.
➤ Put the cover back on.
Problem Cause Remedy
No cooling
capacity
The roof air conditioner is not set to
cooling.
➤ Set the roof air conditioner to
cooling.
The ambient temperature is above
50 °C.
The roof air conditioner is only
designed for ambient tempera-
tures of up to 50 °C.
The temperature set is higher that the
room temperature.
➤ Select a lower temperature.
The ambient temperature is below
16 °C.
The roof air conditioner is only
designed for ambient tempera-
tures above 16 °C.
One of the temperature sensors is
defective.
➤ Contact an authorised work-
shop.
The vaporiser fan is damaged.
The compressor is defective.
The heat exchange battery is pollu-
ted.
The condenser fan is damaged.
Interval Inspection/maintenance
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