
Appendix
0020288151_00
sensoCOMFORT
Operating and installation instructions
109
B.2
Troubleshooting
Message
Possible cause
Measure
Ventilation unit communication
interrupted
Incorrect plug connection
▶
Check the plug connection.
The cable is defective
▶
Replace the cable.
HP control module communica-
tion interrupted
Incorrect plug connection
▶
Check the plug connection.
The cable is defective
▶
Replace the cable.
Outdoor temperature sensor
signal invalid
Outdoor temperature sensor
defective
▶
Replace the outdoor temperature sensor.
Heat generator 1 communica-
tion interrupted *,
* Can be heat generator 1 to 8
The cable is defective
▶
Replace the cable.
Incorrect plug connection
▶
Check the plug connection.
FM3 address 1 communication
interrupted *,
* Can be address 1 to 3
The cable is defective
▶
Replace the cable.
Incorrect plug connection
▶
Check the plug connection.
FM5 communication interrupted
The cable is defective
▶
Replace the cable.
Incorrect plug connection
▶
Check the plug connection.
Remote control 1 communica-
tion interrupted *,
* Can be address 1 to 3
The batteries in the radio
remote control are flat
▶
Replace all of the batteries (
→
Operating and installation in-
structions for the radio remote control).
Domestic hot water station com-
munication interrupted
The cable is defective
▶
Replace the cable.
Incorrect plug connection
▶
Check the plug connection.
Solar pump station communica-
tion interrupted
The cable is defective
▶
Replace the cable.
Incorrect plug connection
▶
Check the plug connection.
FM3 configuration [1] not cor-
rect *,
* Can be address 1 to 3
Incorrect set value for the FM3
▶
Set the correct set value for the FM3.
Mixer module no longer suppor-
ted
Unsuitable module connected
▶
Install a module that the control supports.
Solar module no longer suppor-
ted
Unsuitable module connected
▶
Install a module that the control supports.
Remote control no longer sup-
ported
Unsuitable module connected
▶
Install a module that the control supports.
Basic system diagram code not
correct
Incorrectly selected basic sys-
tem diagram code
▶
Set the correct basic system diagram code.
Remote control 1 missing *,
* Can be remote control 1 or 2
Missing remote control
▶
Connect the remote control.
Current basic system diagram
does not support FM5
FM5 connected in the heating
installation
▶
Remove the FM5 from the heating installation.
Incorrectly selected basic sys-
tem diagram code
▶
Set the correct basic system diagram code.
FM3 missing
Missing FM3
▶
Connect the FM3.
DHW temperature sensor S1
missing at FM3
Domestic hot water temperature
sensor S1 not connected
▶
Connect the domestic hot water temperature sensor to the
FM3.
Solar pump 1 reports faults *, *
Solar pump 1 or 2
Fault in the solar pump
▶
Check the solar pump.
Shift-load cylinder no longer
supported
Unsuitable cylinder connected
▶
Remove the cylinder from the heating installation.
HP control module MO2 config-
uration not correct
Incorrectly connected FM3
1.
Remove the FM3.
2.
Select a suitable configuration.
Incorrectly connected FM5
1.
Remove the FM5.
2.
Select another configuration.
FM5 configuration not correct
Incorrect set value for the FM5
▶
Set the correct set value for the FM5.
Cascade not supported
Incorrectly selected system dia-
gram
▶
Set the correct system diagram that contains cascades.
FM3 configuration [1] MO not
correct *, * Can be address 1 to
3
Incorrect component selection
for the MO
▶
Select the component in the
FM3 MO
function that is appropri-
ate for the connected component on the FM3's multi-function
output.
Содержание sensoCOMFORT VRC 720f
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