Vaillant sensoCOMFORT VRC 720/3 Manual De Uso E Instalación página 108

Idiomas disponibles

Idiomas disponibles

Symptom
Heat generator continues to
heat once the room temperature
has been reached
The heating installation remains
in domestic hot water mode
Only one of several heating
circuits is displayed
It is not possible to switch to the
installer level
B.2
Troubleshooting
Code/meaning
Ventilation unit communica-
tion interrupted
F.509
HP control module commu-
nication interrupted
F.511
Heat generator 1 communica-
tion interrupted (can be heat
generator 1 to 8)
F.1191...F.1195,
F.1200...F.1211,
F.1252...F.1255
FM3 address 1 communica-
tion interrupted (can be ad-
dress 1 to 3)
F.1212...F.1214
FM5 communication interrup-
ted
F.1218
Remote control 1 communic-
ation interrupted (can be ad-
dress 1 to 3)
F.1219...F.1222
Domestic hot water station
communication interrupted
F.1227
Solar pump station commu-
nication interrupted
F.1228, F.1229
Internet module communica-
tion interrupted
F.900
Outdoor temperature sensor
signal invalid
F.521
FM3 configuration [1] not cor-
rect (can be address 1 to 3)
F.1231...F.1233
Mixer module not supported
F.1237
Solar module not supported
F.1238
Remote control not supported
F.1239
Basic system diagram code
not correct
F.1240
108
Possible cause
Incorrect value in the Room
temp. mod.: or Zone assign-
ment: function
Heat generator cannot reach
the max. target flow temperat-
ure
Heating circuits inactive
You do not know the code for
the installer level
Possible cause
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
The cable is defective
Incorrect plug connection
Outdoor temperature sensor
defective
Incorrect set value for the FM3
Unsuitable module connected
Unsuitable module connected
Unsuitable module connected
Incorrectly selected basic sys-
tem diagram code
Measure
1.
In the Room temp. mod.: function, set the value Active or
Expanded.
2.
In the zone in which the system control is installed, assign
the system control's address in the Zone assignment: func-
tion.
Reduce the set value in the Max. target flow temperature:°C
function.
In the Circuit type: function, define the required function for
the heating circuit.
Reset the system control to the factory setting. All set values
will be lost.
Measure
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the cable.
Check the plug connection.
Replace the outdoor temperature sensor.
Set the correct set value for the FM3.
Install a module that the control supports.
Install a module that the control supports.
Install a module that the control supports.
Set the correct basic system diagram code.
Operating and installation instructions 0020287900_03
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