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Operating Instructions (1.14)
© 2017 Brunner GmbH
F11
The combustion air supply actuator has no reference position.
F12
The combustion air supply actuator cannot be properly positioned.
F13
The combustion air supply actuator cannot reach its reference position.
F14
The combustion air supply actuator does not respond.
F21
The damper flap actuator has no reference position.
F22
The damper flap actuator cannot be properly positioned.
F23
The damper flap actuator cannot reach its reference position.
F24
The damper flap actuator does not respond.
F51
Door switch
The door switch reports an undefined position. Possible causes: door
switch damaged, faulty wire connection, wire broken or connector pulled
off.
FBAT No battery. Install battery!
LBAT
Battery weak. Change battery!
FDEV Internal error.
