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66 | Troubleshooting
Information displayed (Æ Items 1, 3 and 4 in
Fig. 17)
Text Code Cause Remedy (by contractor)
Fault 01
BUS communication fault
10 IPM does not receive a set
value from the heating
controller.
Check BUS subscriber, BUS
connection and repair lead
break if necessary.
200 Heating appliance no longer
reporting.
201 Incorrect BUS subscriber
connected.
Identify and replace incorrect
BUS subscriber.
Fault 02
Internal fault
40 Incorrect module type
detected.
Replace IPM.
41 Two identical codes have been
entered at the IPM.
Switch system off and correct
coding.
42 DIP switch on IPM in
intermediate position.
43 DIP switch position has been
changed since initialisation
phase.
100 ISM not responding. Check BUS connection and
repair lead break if necessary.
Fault 02
Internal fault
Some parameters reset to factory settings
due to EEPROM problem
205 Some parameters reset to
default.
Check parameter settings and
readjust as necessary. Identify
faulty controller and replace.
Fault 02
Internal fault
FR110 can no longer control the CH system
255 FR 100 / FR 110 can no longer
control the heating system.
Identify faulty controller and
replace.
Fault 03
Room temp sensor faulty
20 The room temperature sensor
built into FR 100 / FR 110 /
FR 10 has suffered a break.
Identify faulty controller and
replace.
21 There is a short circuit on the
room temperature sensor built
into the FR 100 / FR 110 /
FR 10.
Fault 10
System configuration: invalid
190 Incorrect type of connection 1-
2-4 set.
Check system configuration
and set BUS as connection
type.
Fault 11
System configuration: new BUS device
New ISM detected. Power up all ISMs
simultaneously and start automatic system
configuration.
131
132
New ISM detected. Power up all ISM
simultaneously and start
automatic system
configuration.
66


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