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