Message
Shift-load cylinder no longer
supported
HP control module MO2 config-
uration not correct
FM5 configuration not correct
Cascade not supported
FM3 configuration [1] MO not
correct *, * Can be address 1 to
3
FM5 configuration MO not cor-
rect
Room temp. sensor signal on
control invalid
Room temp. sensor signal on
remote control 1 invalid *, * Can
be address 1 to 3
S1 sensor signal at FM3 ad-
dress 1 invalid *, * Can be S1 to
7 and address 1 to 3
S1 sensor signal at FM5 invalid
*, * Can be S1 to S13
Heat generator 1 reports faults
*, * Can be heat generator 1 to
8
Ventilation unit reports faults
HP control module reports faults
Assignment of remote control 1
missing *, * Can be address 1
to 3
Zone activation missing
B.3
Maintenance messages
#
Message
Description
1
Heat generator
The heat generator requires
1 requires main-
maintenance work.
tenance *, * Can
be heat generator
1 to 8
2
Ventilation unit
The ventilation unit requires
requires main-
maintenance work.
tenance
3
Water defi-
The water pressure is too low in
ciency: Follow
the heating installation.
the instructions
in the heat gen.
4
Maintenance
Date on which maintenance is
Contact:
due for the heating installation.
0020287900_00 sensoCOMFORT Operating and installation instructions
Possible cause
Unsuitable cylinder connected
Incorrectly connected FM3
Incorrectly connected FM5
Incorrect set value for the FM5
Incorrectly selected system dia-
gram
Incorrect component selection
for the MO
Incorrect component selection
for the MO
Room temperature sensor de-
fective
Room temperature sensor de-
fective
Sensor defective
Sensor defective
Fault in the heat generator
Ventilation unit fault
Fault in the heat pump control
module
The assignment of remote con-
trol 1 to the zone is missing.
A zone that is in use is not yet
activated.
Heating circuits inactive
Maintenance work
Refer to the operating or install-
ation instructions for the relev-
ant heat generator for informa-
tion on the maintenance work
required
Refer to the operating or install-
ation instructions for the relev-
ant ventilation unit for informa-
tion on the maintenance work
required
Water deficiency: Follow the in-
structions in the heat generator
Carry out the required mainten-
ance work
Measure
▶
Remove the cylinder from the heating installation.
1.
Remove the FM3.
2.
Select a suitable configuration.
1.
Remove the FM5.
2.
Select another configuration.
▶
Set the correct set value for the FM5.
▶
Set the correct system diagram that contains cascades.
▶
Select the component in the FM3 MO function that is appropri-
ate for the connected component on the FM3's multi-function
output.
▶
Select the component in the FM5 MO function that is appropri-
ate for the connected component on the FM5's multi-function
output.
▶
Replace the control.
▶
Replace the remote control.
▶
Replace the sensor.
▶
Replace the sensor.
▶
See the instructions for the heat generator displayed.
▶
See instructions for the ventilation unit.
▶
Replace the heat pump control module.
▶
Assign the correct address to the remote control in the Zone
assignment: function.
▶
In the Zone activated: function, select the value Yes.
▶
In the Circuit type: function, define the required function for
the heating circuit.
Interval
See the operating or installation
instructions for the heat gener-
ator
See the operating or installation
instructions for the ventilation
unit
See the operating or installation
instructions for the heat gener-
ator
Date entered in the control
Appendix
47