
Troubleshooting Dometic CA2500
26
9 Troubleshooting
Possible malfunction Cause Remedial measure
Device constantly
switches itself off.
Icing sensor has tripped. Outer temperature is too low or all
air nozzles are closed.
No cooling capacity The device is not set to cooling. ➤ Set the device to cooling.
The ambient temperature is above
43 °C.
The roof air conditioner is only
designed for ambient temperatures
of up to 43 °C.
The temperature set is above the
room temperature.
➤ Select a lower temperature.
The temperature sensor is defec-
tive.
➤ Consult an authorised specialist
workshop.
The vaporiser fan is damaged.
The condensor fan is damaged.
No heating capacity The ambient temperature is above
30 °C.
➤ Only use the heating function of
the roof air conditioner at temper-
atures below 25 °C.
The device is not set to heating. ➤ Set the device to heating.
The temperature sensor is defec-
tive.
➤ Consult an authorised specialist
workshop.
Low air output The air intake section is clogged up. ➤ Ensure unhindered air supply at
the air intake units.
The vaporiser fan is damaged. ➤ Consult an authorised specialist
workshop.
Water enters the vehicle The condensation water drainage
openings are clogged up.
➤ Clean the drainage openings for
condensation water.
The seals are damaged. ➤ Consult an authorised specialist
workshop.
Air conditioner will not go
on
There is no voltage. ➤ Check the power supply.
The voltage is too low
(under 200 V).
The voltage converter is defective.
➤ Consult an authorised specialist
workshop.
The temperature sensor is dam-
aged.
The electrical fuse of the power
supply is too low.
➤ Check the electrical fuse of the
power supply.
Air conditioner is unable
to be switched off
The temperature sensor is defec-
tive.
➤ Consult an authorised specialist
workshop.
_IA_CA2500.book Seite 26 Montag, 16. Juni 2008 2:29 14
Kommentare zu diesen Handbüchern