Malfunction and Remedies
Park heating
8.16 Park heating
Should any fault occur, check whether the fuses and plug connectors are intact and
tightly seated.
If it does not help, please contact a Webasto service centre (www.webasto.com) and
specify the model of your park heater (Thermo Pro 90D 24V).
Heating switches off automatically = fault shutdown
Cause Remedy
No ignition after start and repeat start.
Flame is extinguished during operation.
Switch heater off and on again. If it still
does not heat, contact a Webasto service
centre.
Power failure longer than 20 seconds. Check fuses, plug connectors and bat-
tery charge.
Heater overheats due to low coolant or
loss of coolant.
Check coolant level, bleed coolant circuit
Shutdown due to temperature limiter
(overheating).
Allow device to cool, then press tempera-
ture limiter button (1) to switch on again.
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