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86 | Troubleshooting
9
Troubleshooting
BUS device faults are indicated.
A boiler fault (e.g. EA fault) is shown in the
controls display with the relevant advice.
B Notify your installer.
For the installer:
B Remove the fault in accordance
with the details in the boiler
documentation.
9.1
Troubleshooting with display
9
3
Fig. 29
Fault display
1
Fault number
2
BUS device that detected the fault and
reported it to the controls
3
Description of fault
4
Code or additional information about fault
The current fault is indicated on the controls and
on all remote controls:
B The relevant BUS device affected by the
current fault must be determined. The fault
can only be rectified on the BUS device from
which the fault originates.
6 720 643 256 (2010/05)
12
15
h
1
2
3
4
24
21
h
6 720 643 256-20.1O
US/CA
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