26 BlueCool S-Series
12 Malfunctions
12.1 Troubleshooting
CAUTION
Troubleshooting only by professionals!
Troubleshooting requires comprehensive knowledge
on the design and operation of the individual com-
ponents of the air-conditioning system and may only
be carried out by authorised professionals trained by
Webasto for this purpose.
Note
Use only genuine spare parts. Use genuine Webasto
spare parts to ensure fault-free operation of the air
conditioning system.
If faults occur, the system must be switched off.
12.2 Faults that are displayed
The BlueCool S-Series can display malfunctions in two different
ways:
■
On the BlueCool MyTouch screen, in the form of a code (e.g.
A02) and a text message.
■
As an LED flash code, directly in the electrical box of the
self-contained air-conditioning unit.
Every time a fault code occurs, the self-contained air-conditioning
unit will stop for approx. 60 seconds and then attempt to restart.
If the same fault occurs more often than 6 times consecutively
within 30 minutes, the system is completely shut down and the
fault code is displayed continuously.
No further restarts are attempted. The BlueCool S-Series can be
reset once the cause of the error has been eliminated.
To reset the BlueCool S-Series:
Switch the air handler off and on via BlueCool MyTouch.
(Alternatively: Disconnect and reconnect the power supply).
12.3 Fault indication on the
BlueCool S-Series pc-board (LED dis-
play)
See “12.3.1 Fault code table” on page 27 for description of the
fault codes.
■
LED 12 V
This LED lights up as soon as the +12 V supply is applied.
■
"Alive" LED
This LED indicates the operating and fault status by various flash
sequences.
–
LED briefly flashes every 7 seconds: Normal operation, no
malfunction.
–
LED flashes once or several times at short intervals, then goes
out and flashes again once or several times: a fault is indicat-
ed, see Chapter “12.3.1 Fault code table” on page 27.
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