Fault Codes On The Display Of The Combination Or Standard Digital Timer - Webasto Thermo 90 ST Operating Instructions Manual

Fault Codes on the Display of the Combination or Standard
Digital Timer
NOTE
If the heater is activated by the switch, the types of malfunctions are indicated by
coded flashing signals via the operation indicator light during the run-on time of
the heater.
After five short signals, count the long flashes:
The flashing pulses match the number in the table below.
F 00/-- (only five short flashing pulses)
Heater lock-out or control unit defective,
Unlocking only possible by specialised workshop
F 01 No start (after 2 starting attempts)
F 02 Flame failure
F 03 Undervoltage or overvoltage
F 04 Premature flame detection
F 05 Flame monitor interruption or
flame monitor short circuit
F 06 Temperature sensor interruption or
temperature sensor short-circuit
F 07 Metering pump interruption or
metering pump short-circuit
F 08 Fan motor interruption or
fan motor short-circuit or
incorrect fan motor speed
F 09 Glow plug interruption or
glow plug short circuit
F 10 Overheating
F 11 Circulation pump interruption or
circulation pump short circuit
Webasto Thermo & Comfort SE
Postfach 1410
82199 Gilching
Germany
Visitors' address:
Friedrichshafener Str. 9
82205 Gilching
Germany
Internet: www.webasto.com
The telephone number of each country can be found in the
Webasto service center leaflet or the website of the respective
Webasto representative of your country.