Operation Manual

6 720 645 349 (2010/09)
Troubleshooting | 61
Fault 13
System configuration: BUS device changed
or replaced
Check system configuration for heating
circuit x and connections on IPM for
heating circuit x.
159 See display text.
1)
Fault 14
System configuration: incompatible BUS
device
DHW controlled by boiler. IPM control of
DHW has no effect.
117 See display text.
1)
Identify incompatible BUS
subscriber and remove from
system.
Fault 14
System configuration: incompatible BUS
device
IPM for cylinder must be set to
identification 3 or higher.
119 See display text.
1)
Fault 15
Outside temperature sensor not connected
Outside temperature is not available.
30 See display text.
1)
Check outside temperature
sensor and repair any lead
break.
Fault 19
Unable to save parameter settings
202 BUS subscriber configured but
not available at present.
Check system layout, check
system configuration, modify if
necessary and reset
parameter.
Fault 20
System configuration: invalid
193 Invalid code in remote control
for heating circuit.
In conjunction with FW 100
only code 1 is possible in the
remote control.
Fault 21
System configuration: new BUS device
135
137
139
See display text on remote control.
Fault 22
System configuration: BUS device missing
178
179
IPM not recognised on remote
control with code 1.
Check IPM connection and
code and adjust if required.
Fault 23
System configuration: BUS device changed
or replaced
159 System configuration on
remote control for heating
circuit 1 and IPM connections
for heating circuit 1 not
permissible.
Check system configuration for
heating circuit 1 and IPM
connections for heating
circuit 1.
Fault 24
System configuration: incompatible BUS
device
119 See display text on remote control.
Fault 28
Remote control is fitted on heat source
155 Remote control fitted inside
heating appliance.
Install remote control in living
space.
Information displayed
(Æ items 1, 3 and 4 in Fig. 25)
Text Code Cause Remedy (by contractor)
1) The display text is shown at the BUS subscriber (e.g. remote control) that has identified the fault. The other BUS
subscribers will instead display the code that corresponds to the display text.