Mohlenhoff BSF 20 Series - 6 Troubleshooting and Cleaning; Error Indication and Elimination of Errors

46
DEU
ENG
NDL
FRA
ITA
ESP
6.1 Error indication and elimination of errors
1 2 3 4
Power
rmBUS
Error
syBUS
Fuse Pump Boiler
Cool
H%
Master NO
Pairing
6 Troubleshooting and cleaning
Signalling of the LEDs Meaning Elimination
Fuse
0 1 2 3 4
Fuse
Duration in seconds
Fuse defective
¾ Change the fuse
(see section 6.2)
Error
0 1 2 3 4
Error
Duration in seconds
Fault ¾ Contact your electric installer.
Error / Pump
0 1 2 3 4
Pump
Error
Duration in seconds
Temperature limiter ac-
tive, valves are closed
9 The normal control operation
is activated automatically after
falling short of the critical tem-
perature
„Cool H%“
(only cooling
operation)
0 1 2 3 4
Cool
Duration in seconds
Dewing detected,
valves are closed
9 The normal control operation
is activated automatically if no
condensation is sensed any
more.
Heating zone
0 1 2 3 4
HZ off
HZ on
Duration in seconds
Radio connection to
the room control unit
faulty
¾ Change the position of the
room control unit or use a re-
peater or an active antenna.
Heating zone
0 1 2 3 4
HZ off
HZ on
Duration in seconds
Low battery capacity
of the room control
unit
¾ Change the batteries in the
room control unit
Heating zone
0 1 2 3 4
HZ
Duration in seconds
Emergency operation
active
¾ Change the batteries in the
room control unit
¾ Perform a radio test
¾ If necessary, reposition the
room control unit.
¾ Replace a defective room con-
trol unit
LED on
LED off