Problems with the auxiliary heating
Problem
Possible causes/consequences and
M
Solutions
The display panel of the
timer shows the
Err
message.
Lack of fuel.
The fuel tank is less than
Õ
full. The auxiliary heating switches off
automatically.
X
Refuel at the nearest filling station.
X
Subsequently, start the auxiliary heating several times until the fuel
lines are full.
The display panel of the
timer shows the
Err
message.
A malfunction has occurred. The auxiliary heating switches off auto-
matically.
X
Have the auxiliary heating checked at a qualified specialist work-
shop.
The display panel of the
timer shows the
Err
message.
The power supply has been interrupted. All stored settings are
deleted.
Automatic hardware recognition is currently active.
X
Once automatic hardware recognition is complete, set the week
day, time and operating duration (
Y
page 152).
X
Set a departure time (
Y
page 153).
The indicator lamp on
the remote control
flashes red rapidly.
The remote control battery is discharged. Data transmission is not
possible.
X
Replace the remote control battery (
Y
page 154).
The indicator lamp on
the remote control
flashes red and green in
rapid succession.
There is no connection between the remote control and the receiver in
the vehicle.
X
Change your position in relation to the vehicle, e.g. hold the remote
control higher or to the side.
X
Move closer.
If you cannot make a connection and the auxiliary heating is switched
on, you can only switch off the auxiliary heating via the timer in the
vehicle (
Y
page 152).
The indicator lamp on
the remote control
flashes red and green in
rapid succession.
The remote control is not synchronised.
X
Have the remote control synchronised at a qualified specialist
workshop.
The indicator lamp on
the remote control
slowly flashes red and
green alternately.
The remote control is not synchronised.
X
Have the remote control synchronised at a qualified specialist
workshop.
The auxiliary heating sys-
tem switches off auto-
matically and/or cannot
be switched on.
The fuel tank is less than
Õ
full. The auxiliary heating switches off
automatically.
X
Refuel at the nearest filling station.
X
Subsequently, start the auxiliary heating several times until the fuel
lines are full.
Operating the auxiliary heating system
155
Climate control
Z
