Fig. 502 Error Symptoms During Function - Webasto Air Top Evo 40 Workshop Manual

Air Top Evo 40 / Air Top Evo 55
5.3 Error symptoms during function
The following table (Fig. 502) lists the possible error symp-
toms in the order in which they may occur during operation.
In the event of a fault, the error is to be located using this ta-
ble and rectified. It is important that the error symptom is cor-
rectly identified.
If the error symptom is not included in this table or if the fault
is not found under the specific error symptom heading, in an
emergency you can contact our technicians on our service
hotline.
Error symptom
No start and no illumination of the LED
on the control element
No start but LED is lit
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Occurrence
immediate
immediate

Fig. 502 Error symptoms during function

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Every fault is indicated by the flashing LED on the control el-
ement after the slow down time has finished. If the other
components are OK, a defective control unit may be the
cause of all the faults.
There are states which are equivalent to faults.
Possible causes
Incorrect cabling, defective fuse
The unit immediately goes into a control break when
switched on; the control break speed is 0 rpm when an
external temperature sensor is used.
Troubleshooting
NOTE
502