6 720 643 259 (2010/05)
Troubleshooting
|
43
US/CA
Display (
Æ
Item 1, 3 and 4 in fig. 15
Text
Code Cause
Remedy (by installer)
Fault 01
BUS communication fault.
10
BUS device assigned to the
IPM FB 100 no longer answers.
Check BUS device, BUS
connection and repair
disconnect if necessary.
200
Boiler no longer reporting.
201
Incorrect BUS device
connected.
Identify and replace incorrect
BUS device.
Fault 02
Internal fault
40
Incorrect BUS device
connected.
Identify and replace incorrect
BUS device.
41
Two identical IDs set on IPM.
Switch system off and correct
ID.
42
Code switch on IPM in
intermediate position.
50
Thermal disinfection via IPM
failed.
Turn the supply temperature
control on the boiler clockwise
as far as it will go.
100
ISM not responding.
Check BUS connection and
repair disconnect if necessary.
254
Overflow of fault messages.
–
Fault 02
Internal fault
Some parameters reset to factory settings
due to EEPROM fault!
205
See display text
1)
Check parameter settings and
readjust them as necessary. If
this happens again, identify the
defective controls/remote
control and replace.
Fault 02
Internal fault
FB100/FW200 can no longer control the
heating system!
255
See display text
Identify defective controller
and replace.
Fault 03
Room temp sensor defective
20
The room temperature sensor
installed in the controls or
remote control is interrupted.
Identify defective controller or
remote controller and replace.
21
There is a short circuit on the
room temperature sensor built
into the controls/remote
control.
Fault 10
System configuration: invalid
194
195
On the controls, remote
control for non-existent
heating circuit detected or set.
Check system layout, check
system configuration, modify if
necessary.
Fault 10
System configuration: invalid
196
197
198
199
Only one unmixed heating
circuit is permitted on the
system.
1) The display text is shown on the BUS device (e.g. remote control) that detected the fault. On the other BUS
devices, instead of this, the code is displayed and corresponds to the display test.
