7
10 Fault codes
Status / Error message
Possible cause
Correction
A09
Fault, cabin temperature sensor
Cabin temperature sensor defective, break/short-circuit in electrical circuit, cabin temperature sensor not connec- ted.
Please contact your authorised Webasto Marine dealer.
A10
Malfunction, water temperature sen- sor
Water temperature sensor defective or break/short-circuit in electrical circuit.
BA11
Required cold water temperature not yet reached
Air handler is only switched on when the required cold water temperature is reached.
No action required. The air handler starts up auto- matically.
INIT
Initialisation procedure or system blo- cked.
Electrical wiring defective.
Power circuit interruption/short circuit.
Please contact your authorised Webasto Marine dealer.
n/a
No pc-board output
Fuse faulty or break/short-circuit in this electrical circuit.
Pc-board damaged by high voltage (RT1 blown)
n/a
No or insufficient cooling or heating capacity.
Poor air or water flow.
Secure adequate air or water flow
Chiller unit not switched on.
Switch on the chiller unit and check whether the cold water circuit reaches the required tempera- ture for cooling or heating.
n/a
Incorrect cabin/ambient temperature or water temperature displayed.
Temperature sensor positioned incor- rectly, subject to interference or display values falsified.
Check whether the temperature sensor is subject to direct fault sources such as direct sunlight or devices radiating heat.
Please contact your authorised Webasto Marine dealer.
