Maintenance Messages; B -- Troubleshooting, Maintenance Message; Troubleshooting - Vaillant sensoHOME VRT 380f Manual De Uso E Instalación

Appendix
A.2 Maintenance messages
# Message Description
1 Water defi- The water pressure is
ciency: Fol- too low in the heating
low the in- installation.
structions
in the heat
gen.
B -- Troubleshooting, maintenance message
B.1 Troubleshooting
Symptom
Display remains dark
No changes in the
display can be made
via the control ele-
ments
It is not possible to
switch to the installer
level
B.2 Troubleshooting
Message
Heat generator 1 com-
munication interrupted
Remote control 1
communication inter-
rupted
Room temp. sensor
signal on control in-
valid
22
Maintenance work
Refer to the operat-
ing instructions for the
relevant heat gener-
ator for information on
filling with water
Possible cause
The batteries are flat
The product is defect-
ive
Software error
The product is defect-
ive
You do not know the
code for the installer
level
Possible cause
The cable is defective
Incorrect plug connec-
tion
The batteries in the
radio remote control
are flat
Room temperature
sensor defective
Operating and installation instructions sensoHOME 0020298974_00
Interval
See the operating
instructions for the
heat generator
Measure
▶
Change all the batteries. (→ Page 17)
▶
Replace the product.
1. Take all the batteries out.
2. Insert the batteries in the battery compart-
ment, making sure that the poles are the
right way round.
▶
Replace the product.
▶
Reset the control to the factory settings. All
set values will be lost.
Measure
▶
Replace the cable.
▶
Check the plug connection.
▶
Replace all of the batteries (→ Operating
and installation instructions for the radio
remote control).
▶
Replace the control.