Troubleshooting - Webasto Thermo Top V Operating And Servicing Manual

TTV_VWT.book Seite 15 Mittwoch, 2. Juni 2004 4:05 16

Troubleshooting

In the event of a malfunction, fuses and electrical connections should be
checked for condition and security.
The heater enters its fault lock-out state if there is a malfunction. No fault
indication is shown on the display.
Before you visit a Webasto service centre, attempt to remedy the fault lock-out
yourself.
The following faults can be remedied directly by the user:
Fault description Possible cause
Heater switches off No combustion after
automatically starting and restarting.
(= fault lock-out) Flame goes out during
operation
Heater does not switch Heater is without electric
on power
Heater switches off Heater has overheated
during operation due to lack of coolant
(= fault lock-out)
GB
Remedy
Switch off heater
and switch on again
(not more than twice)
Check power supply to
heater and ground
connections
Refill coolant as directed
by manufacturer
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