Webasto Air Top 2000 ST B Installation Instructions Manual page 36

Air Top 2000 ST
14.1. Error code output
NOTE:
The error code is output if the heater is fitted with a control element after
an error has occurred by the switch-on indicator/error code indicator
flashing. After 5 seconds of fast flashing, the error code will be output by
a sequence of long flash pulses, the number of flashes is shown in the
table below.
If the heater is fitted with a combination timer, an error message will
appear on the display of the timer after a fault occurs: If the control
element is used the error number is indicated by the indicator light
flashing:
F 00 Control unit error / incorrect data set / customer bus defective
F 01 No start (after 2 attempts to start) / no flame formation
F 02 Flame failure (repeated > 3)
F 03 Undervoltage or overvoltage
F 04 Premature flame recognition
F 05 Flame monitor (petrol heater) interrupt or short circuit
F 06 Temperature sensor interrupt or short circuit
F 07 Metering pump interrupt or pump short circuit
F 08 Fan motor interrupt or short circuit or overload or blocked
F 09 Glow plug interrupt or short circuit
F 10 Overheating: Resulting in permanent heater fault lock-out
F 11 Overheating sensor interrupt or short circuit
F 12 Heater lock-out
F 14 Overheating sensor incorrect position
F 15 Setpoint generator interrupt
Fault lock-out
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