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8
Faults
Faults in the heating system are displayed on the control
unit display. For further information on the fault displays
please refer to the relevant control unit maintenance
instructions.
NOTICE: System damage due to frost!
The heating system can freeze up if it has
been switched off through a fault shutdown.
B Rectify the fault immediately and restart
the heating system.
B Where that is not possible, drain the
heating and DHW pipework at the lowest
point.
Burner faults
A burner fault is also indicated by the fault lamp on the
burner. For further information on burner faults, please
refer to the burner technical documentation.
NOTICE: System damage!
Repeated pressing of the reset button can
damage the ignition transformer on the
burner.
B Do not press the reset button more than
three times in a row.
To reset burner faults:
B Press burner reset button.
UNI 7000 F
Faults | 49
6 720 803 940 (2010/03)
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