Troubleshooting; Maintenance Messages - Vaillant sensoHOME VRT 380/2 Operating And Installation Instructions

B.2 Troubleshooting
Code/meaning
Outdoor temperature
sensor signal invalid
Heat generator 1 com-
munication interrupted
Remote control 1
missing
Room temp. sensor
signal on control in-
valid
Room temp. sensor
signal on remote con-
trol 1 invalid
Assignment of remote
control 1 missing
Zone activation miss-
ing
B.3 Maintenance messages
# Code/mean- Description
ing
1 Heat gen- The heat generator
erator 1 requires maintenance
requires work.
mainten-
ance
2 Water defi- The water pressure is
ciency: Fol- too low in the heating
low the in- installation.
structions
in the heat
gen.
3 Mainten- Date on which main-
ance Con- tenance is due for the
tact: heating installation.
24
Possible cause
Outdoor temperature
sensor defective
The cable is defective
Incorrect plug connec-
tion
Missing remote control
Room temperature
sensor defective
Room temperature
sensor defective
The assignment of
remote control 1 to the
zone is missing.
A zone that is in use
is not yet activated.
Maintenance work
Refer to the operating
or installation instruc-
tions for the relevant
heat generator for in-
formation on the main-
tenance work required
Water deficiency: Fol-
low the instructions in
the heat generator
Carry out the required
maintenance work
Operating and installation instructions 0020323630_00
Measure
▶
Replace the outdoor temperature sensor.
▶
Replace the cable.
▶
Check the plug connection.
▶
Connect the remote control.
▶
Replace the control.
▶
Replace the remote control.
▶
Assign the correct address to the remote
control in the Zone assignment: function.
▶
In the Zone activated: function, select the
value Yes.
Interval
See the operating or
installation instructions
for the heat generator
See the operating or
installation instructions
for the heat generator
Date entered in the
control