Service manual

B-4
Alarm sequence 1
B
Alarm handling
LEDs and Relays,
1alarm
The following table shows the state of the front LEDs and alarm relays for one alarm
in different states. For further information on the definition of active and inactive
relays, see
Condition Front LEDs Alarm relays
A or B Rec. Att A, B or C Rec.
Att
Clear
1Nofault
❍❍ ❍ ❍❍
2 Fault X occurs
●❍ ● ❍❍
3 You press the Receiving Attention button
●● ❍●❍
4 Fault X clears
❍● ❍ ●●
5 You press the Receiving Attention button
❍❍ ❍ ❍❍
6 Fault X clears after 2
❍❍ ❍ ❍❍
●
= active relay, LED lit,
❍
= inactive relay, LED not lit