Vaillant MultiMatic 700/2 - Fault messages

multiMATIC 700/2
Notes
10/2015 98 Training 0020228700_00
6.2 Fault messages
If there is a fault, a fault message appears in-
stead of the basic display after a brief waiting
period. The left button takes you back to the
basic display.
The fault message remains visible under
Menu > Information > System status >
"Fault". Press the right-hand selection button
to display the list of fault messages.
Message
Note/information
Heat generator
No heat generator connection
Faulty eBUS plug connection, cable defective.
Switching off all relays.
Communication fault: Heat generator
Faulty eBUS plug connection, cable defective.
Switching off all relays.
Heat generator fault
Fault in the unit; the cause of the fault can be
seen in the unit's DIA system.
Heat pump
Communication fault: Heat pump
Faulty eBUS plug connection, cable defective.
Heat pump fault
No additional module connection
Cable defective, plug connection not correct
Additional module fault
Cable defective, plug connection not correct
Incorrect configuration: MA2 VWZ-AI
Plug-in error
The controller has been incorrectly installed in a
heat generator
Room air humidity sensor fault
Room air humidity sensor defective
Ventilation unit
Ventilation unit fault
VR 70 module
Communication fault: VR 70
Faulty eBUS plug connection, cable defective.
Switching off all relays.
S1, S2, S3, S4, S5, S6 sensor fault
Faulty cable, incorrect plug connection, faulty
sensor
Hot water temperature sensor S1 not connected
Faulty cable, incorrect plug connection, faulty
sensor
Incorrect configuration: VR 70
No VR 70 for this system