Appendix
0020237621_02 Operating instructions
27
Symptom
Possible cause
Measure
Display view:
Fault F. Fault:
Heat generator 1
, the specific
fault code (e.g. F.33) and the
specific heat generator appear
behind F. in the display
Heat generator faults
1.
Carry out a
Reset
fault message (
→
Page 19).
2.
If the fault persists, inform the competent person.
Display view:
Change batteries
The batteries are almost flat
1.
Change all the batteries. (
→
Page 19)
2.
If the fault persists, inform the competent person.
Display view:
Clean outside
temperature sensor
The battery in the outdoor tem-
perature sensor is flat
1.
Cleaning the outdoor temperature sensor (
→
Page 19).
2.
If the fault persists, inform the competent person.
C
Maintenance messages
The maintenance message
Service heat pump 1
is an example of a maintenance message that may appear for heat pumps
1 to 6.
The maintenance message
Service heat generator 1
is an example of a maintenance message that may appear for heat
generators 1 to 6.
#
Message
Description
Maintenance work
Interval
1
Service heat
pump 1
The heat pump requires main-
tenance work.
Refer to the operating instruc-
tions of the relevant heat pump
for information on the mainten-
ance work required
See the operating instructions
for the heat pump
2
Service heat
generator 1
The heat generator requires
maintenance work.
Refer to the operating instruc-
tions of the relevant heat gener-
ator for information on the main-
tenance work required
See the operating instructions
for the heat generator
3
Service ventila-
tion unit
The ventilation unit requires
maintenance work.
Refer to the operating instruc-
tions of the ventilation unit for
information on the maintenance
work required
See the operating instructions
for the ventilation unit
4
Service date
Next service on
The competent person has
entered a date on which main-
tenance is due for the heating
installation.
Inform the competent person if
maintenance work is required
Date entered in the system con-
trol
