Technical data

42
MES / AES
Repair & Maintenance
Relay buzzing in 12 V
mode
Reason: Wiring before
Sept. 28, 2007
-> connect white cable
and black cable of X105
to ground
Fridge does not
switch to DC (auto)
mode after the RV
engine is started
Reason: Softwarebug;
Fridge older than Dec.
20, 2007
->exchange main board
Reason: vehicle’s
voltage not stable
->check terminals,
fuse of vehicle defective
6.2.1
6.2.2
2.1