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332 Cab
Then try to start the heater again. If it stops again, or
will not start at all, contact a Volvo workshop (If the
heater has stopped or will not start at all because of
low fuel level or underpressure in the fuel tank, it may
take up to 6 starting attempts before the heater will
start).
The heater is switched off automatically when
• the flame goes out during operation and does not
relight within 90 seconds
• the heater overheats
• the voltage drops below 20 V or rises above 30 V
• the power take-off is activated
If the heater stops while running, or will not start at all,
check the following:
• the fuse
• fuel level in the fuel tank
• underpressure in the fuel tank
• that the air circulation is not blocked
Then try to start the heater again. If it stops again, or
will not start at all, contact a Volvo workshop. (If the
heater has stopped or will not start at all because of
low fuel level or underpressure in the fuel tank, it may
take up to 6 starting attempts before the heater will
start.)
Heater maintenance
In order for the heater to be reliable, the parking heater
must be run at regular intervals, even in warm
temperatures. A symbol and a message are shown in
the display when it is time to run it. The parking heater
must then be run for at least 20 minutes. Set the heater
to maximum. Open the windows and doors if the
temperature in the cab gets too high.
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