TROUBLESHOOTING
Webasto BlueCool Classic Series
30
<tA11> T
low
(in cool mode,
de-icing)
or
T
high
(in heat mode)
limit exceeded.
Compressor stopped to defrost
or to cool down in heat mode.
Compressor exceeded limits.
Automatic restart, no complete
system halt.
Code <tA11> visible in the display
instead of evaporator coil
temperature.
Press
key to read out
evaporator coil temperature or
code <tA11>
(
key - line E).
Check controller settings to be set
default (29 °C line 0, 1, 2 and 3).
INIT
Initialization
procedure or system
block.
Setting DIP switches not
according to the number of
compressors.
Check setting DIP switches.
Defective wiring,
open/short circuit.
Check control panel controller
cable and connections.
Replace defective cable, panel or
controller card.
n/a
No output on
printboard.
Defective fuse or open/short
circuit on specific circuit.
Repair or replace fuse,
open/short circuit or replace
printboard.
Printboard damaged by high
voltage
Replace printboard.
Broken electronic relay (TRIAC)
Replace defective TRIAC or
printboard (operation of TRIAC
can easily be tested with a 40 W
light bulb).
n/a
Compressor not
running.
Broken compressor or open/short
circuit compressor wiring.
Repair wiring or replace defective
compressor.
Compressor overload or broken
Overload Protector (OLP) on top
of the compressor.
Wait a certain time to cool down
or replace defective OLP.
Compressor settings incorrect.
Check settings, at least one
compressor should be
programmed active.
C01=ON
C00=OFF
Table 5
Failure
code
Description
Possible cause
Solution
