Troubleshooting; Troubleshooting With Display (Contractors Only) - Bosch FW 120 Installation And Operating Instructions Manual

9

Troubleshooting

BUS device faults are indicated.
A heating appliance fault (e.g. EA fault) is
displayed with the relevant advice.
B Contact your installer.
9.1

Troubleshooting with display (contractors only)

9
12
3
24
Fig. 25 Fault display
1 Fault number
2 BUS subscriber which detected the fault
and reported it to the controller
3 Description of fault
4 Code or additional information about fault
Information displayed (
Text
Fault 01
BUS communication fault
15
h
1
2
3
4
21
h
6 720 617 763-17.2O
items 1, 3 and 4 in Fig. 25)
Code Cause
10
200
201
For the contractor:
B Remedy the fault in accordance
with the heating appliance
documentation.
The current fault is displayed on the controller
and on the remote control (on FB 10 without
text):
B Determine the BUS subscribers concerned
with the current fault. The fault can only be
rectified on the BUS subscriber from which
the fault originates.
BUS subscriber FB 100
assigned to IPM no longer
responds.
Heating appliance no longer
reporting.
Incorrect BUS subscriber
connected.
Troubleshooting | 53
Remedy (by contractor)
Check BUS subscriber, BUS
connection and repair circuit
break if necessary.
Identify and replace incorrect
BUS subscriber.
6 720 800 844 (2012/02)