13 HANDLE HEATING
Diagnosis/Cause
The handle heating is switched on when the
red mark 1 on the switch is visible.
Diagnosis: Heating in both rear and front
handles not working.
Cause: Generator defective, interruption of
current.
Diagnosis: Heating in rear or front handle not
working.
Cause: Short-circuit in the affected handle.
Diagnosis: Both handles are heated
constantly or intermittently, although the
heating switch is on OFF.
Cause: Short-circuit at or in switch, insulation
cap is damaged or missing.
Expose wire for testing
Carefully lever the handle heating switch out
of the tank with a small screwdriver.
Remove the side cover (two screws).
Disassemble fan housing.
1
EIN
AUS
ON
OFF
28