Webasto Air Top 2000 ST D Service And Repair Manual page 20

AIR TOP 2000 ST
Error
Error (group)
Code
F 10 Overheating
F 11 Overheating sensor
interrupt or short
circuit
F 12 Heater fault
lock-out
F 14 Overheating sensor
incorrect position
F 15 Nominal sensor
break
Table 6. Troubleshooting (page 3 of 3)
www.webasto.us
Additional Information during PC
Diagnostics
06 The overheating fault lock-out has
tripped (heater overheated)
17 Incorrect application or illegal
insulation (ÜHS gradient too high)
AB Overheating sensor circuit break or
short circuit to +Ub
1B Overheating sensor circuit.
The switched cable of the element has a
short circuit to earth
07 The heater fault lock-out has been
activated
97 Incorrect position of overheating
sensor (ÜHS gradient too low)
9B Nominal value potentiometer circuit
break or short circuit to +Ub
Remedy
Find and remove the cause of the
overheating
If no other cause can be found for the
overheating, the pressure losses caused by
the hot air distribution (too many
resistance points) are too high or a hot air
filter is soiled
Replace overheating sensor
Replace overheating sensor
Remove the fuse and then refit it
The following error has occurred several
times:
Fault counter
Incorrect start counter
Overheating counter
Position the overheating sensor correctly
Check cables / replace control element
19
TROUBLESHOOTING
NOTE
NOTE
more than
3 times
more than
9 times
more than
3 times
Webasto Product N.A., Inc.