Supplied By www.heating spares.co Tel. 0161 620 6677
TROUBLESHOOTING - FR110
8 716 115 748 (2009/09)
63
9
TROUBLESHOOTING - FR110
BUS device faults are indicated.
If the controller shows Fault 12, the cylinder
temperature is so high that the cylinder High Limit
Thermal Cut-out has tripped.
B
Reset the High Limit Thermal Cut-out.
9.1
TROUBLESHOOTING USING THE DISPLAY
Fig. 17 Fault display
1
Fault number
2
BUS device which detected the fault and reported it to the
controller
3
Description of fault
4
Code or additional information about fault
The current fault is indicated on the controller:
B
Identify the BUS device affected by the current fault.
The fault can only be rectified on the BUS device from
which the fault originates.
8716115748-10.1Wo
9
12
h
15
18
21
24
h
3
6
1
2
3
4
Information displayed
(
Æ
items 1, 3 and 4 in Fig.
17
)
Text
Code Cause
Remedy
Fault 01
BUS communication fault
200
Boiler no longer reporting.
Check BUS device, BUS
connection and repair circuit
break if necessary.
201
Incorrect BUS subscriber
connected.
Identify and replace incorrect
BUS device.
Fault 02
Internal fault
40
Incorrect module type detected.
Replace IPM.
100
ISM not responding.
Check BUS connection and
repair circuit 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 them as necessary.
Identify faulty controller and
replace.
Fault 02
Internal fault
FR110 can no longer control the CH
system
255
FR 110 can no longer control the
heating system.
Identify faulty controller and
replace.
Fault 03
Room temp sensor faulty
20
There is a circuit break on the
room temperature sensor built
into the FR 110.
Identify faulty controller and
replace.
21
There is a short circuit on the
room temperature sensor built
into the FR 110.
Tab. 32
