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What to do if ...
5
Auxiliary heating*
Warning G
Always have maintenance work carried out
at an authorized Sprinter Dealer which has
the necessary specialist knowledge and
tools to carry out the work required.
The manufacturer recommends that you use
an authorized Sprinter Dealer for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be
carried out at an authorized Sprinter Dealer.
If this work is carried out incorrectly, the op-
erating safety of the heater can no longer be
guaranteed and there is a risk of accident
and injury.
Problem Possible cause/result Suggested solutions
The battery check lamp on the remote con-
trol for the auxiliary heating does not light
up briefly when a button is pressed.
The remote control batteries are discharged. ̈ Change the remote control batteries
(୴ page 316).
The auxiliary heating does not switch on or
the engine does not start.
Lack of fuel.
The fuel tank is less than a quarter full. The
auxiliary heating switches off automatically.
̈ Refuel at the nearest refueling sta-
tion.
̈ Then start the auxiliary heating re-
peatedly until the fuel lines are full.
The undervoltage protection circuit integrat-
ed in the control unit switches off the auxilia-
ry heating because the on-board voltage is
less than 10 V.
̈ If necessary, have the alternator and
the battery checked.
The fuse has blown. ̈ Replace the fuse (୴ page 345).
̈ Have the cause of the blown fuse
checked at an authorized Sprinter
Dealer.