Webasto BlueCool V-Series - Page 21

21
Fault
code
Description Possible cause Correction
Display
A39 Compressor
switched off
when the
input is not by-
passed/open.
Cable not con-
nected
Function of external
relay, 24V voltage
not applied.
Please contact your au-
thorised Webasto Marine
dealer.
A40 Compressor
overload.
Maximum permis-
sible current was
exceeded within
the defined time
window.
Please contact your au-
thorised Webasto Marine
dealer.
A41 Overvoltage. The DC voltage of
the intermediate
circuit has exceeded
the maximum per-
missible value as the
result of excessively
long delay or over-
voltage peaks in the
supply voltage
Please contact your au-
thorised Webasto Marine
dealer.
A42 Inverter tem-
perature too
low.
Temperature in
inverter below
permissible level.
Please contact your au-
thorised Webasto Marine
dealer.
A43 Compressor
excess temper-
ature.
The measured PTC
thermistor tempera-
ture corresponds to
a resistance >2600
ohm.
Please contact your au-
thorised Webasto Marine
dealer.