Webasto BlueCool V-Series - Page 13

13
Fault
code
Description Possible cause Correction
Display
A15 The flow switch
identifies
insucient cold
water flow 5
seconds after
the cooling
water pump is
switched on.
Cold water circuit
is blocked or wire
break at flow switch
when parameter FL
<FLno>.
Please contact your au-
thorised Webasto Marine
dealer.
A20 Maximum
pressure level
reached.
Incorrect pressure
sensor measure-
ment.
Please contact your au-
thorised Webasto Marine
dealer.
COOLING MODE:
-Insucient sea
water cooling.
-Sea water strainer
soiled or no flow.
-Sea water pump
defective.
-Refrigerant circuit
blocked.
Remove blockage at sea
water inlet. The minimum
flow rates must be com-
plied with. Clean sea water
strainer and bleed sea wa-
ter circuit. Operate unit for
5 minutes in heating mode
(if possible) then switch to
cooling mode and check
whether the fault occurs
again. Please contact
your authorised Webasto
Marine dealer.