Kromschroder FCU 500 - Page 73

FCU 500, FCU 505 · Edition 02.17 73
Fault signalling
Fault message (blinking)
DISPLAY
Description
Low gas pressure
(display u1, u2, u3, u4, u5, u6, u7, u8 or u9)
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
No input signal from pressure switch at terminal 49 during program step 1,
2, 3, 4, 5, 6, 7, 8 or 9