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Operation
Switching the auxiliary heater off:
Automatically once the programmed departure
time has arrived or after the programmed oper-
ating time has elapsed ››› page 167.
Automatically when the control lamp
(fuel
level indicator) ››› page 280 lights up.
Automatically when the 12-volt battery charge
is too low ››› page 293.
Special feature
Once swit
ched off, the auxiliary heater will
continue to operate for a short period of time
in order to burn the fuel remaining in the sys-
tem and also to expel the exhaust fumes.
Remote control
Fig. 164 Auxiliary heater: remote control.
Fig. 164 Meaning
Switch the auxiliary heater on
Switch the auxiliary heater off
1
Control lamp
If the buttons of the remote control are press-
ed unnece
ssarily, it could switch on the auxil-
iary heater involuntarily, even when it is out
of range or when the control lamp is flashing.
Control lamp on the remote control
When the buttons are pressed, the control
lamp on the remote control provides the user
with different information:
Control lamp
1
Meaning
It will light for about 2 sec-
onds in green.
The auxiliary heater has
been switched on using
the
button.
It will light for about 2 sec-
onds in red.
The auxiliary heater has
been switched off using
the
button.
It flashes green slowly for
approximately 2 seconds
(approximately 4 times per
second).
No on
a)
signal has been
received.
Control lamp
1
Meaning
It flashes green quickly for
approximately 2 seconds
(approximately 10 times
per second).
The auxiliary heater is
locked.
Possible causes: The fuel
tank is almost empty, the
12-volt battery charge is
too low or there is a fault.
It flashes orange for ap-
proximately 2 seconds
(approximately 4 times per
second).
No off
a)
signal has been
received.
It will light for about 2 sec-
onds in orange, then
green or red.
The remote control battery
is almost flat. However,
the on or off signal has
been received.
It will light for about 2 sec-
onds in orange, then it
flashes green or red.
The remote control battery
is almost flat. No on or off
signal has been received.
It flashes orange for ap-
proximately 5 seconds.
The remote control battery
is flat. No on or off signal
has been received.
a)
The remote control is out of range. In this case it will be nec-
essary to get closer to the vehicle and press the corresponding
button again.
Replacing the remote control battery
If, when pressing the buttons of the remote
control, control lamp
1
flashes orange for
ap
pr
o
ximately 5 seconds or it does not
switch on, the remote control battery will
need replacing.
166
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