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17
Description of indicators, plugs and switches,
continued
Signals of LED
The LED provides different signals. The below table gives you a description of each
signal:
A jingle starts when the unit is connected.
Part
Function
1 × Green LED
Supply
Lit as soon as the control panel is powered up
3 × Yellow LED
Damper
Lit in damper mode
Heater
Lit in heater mode
Test
Lit in test mode
1 × Red LED
Alarm status
Lit in case of a detected failure, see details in
section “Fault finding guide”, page 38.
Fuses and
switches
The illustration below shows the control unit and the location of the fuses and switches:
c
h
d
f
g
2.0 • 01.12.2004
Continued overleaf
910002 • Version