If the measuring range is exceeded:
– Display on central unit, e.g.:
If a fault occurs:
– The LED on the central unit and on the transmitter concerned flashes
according to the particular alarm; see table.
Display on central unit in case of a warning, e.g.:
Display on central unit in case of a fault, e.g.:
See page 61 for warning and fault messages and troubleshooting.
● The alarm relays are switched according to the particular alarm; see table.
Fault states table (factory basic settings)
60
Operation
Alarm LED Acoustic
alarm
Relay 1 Relay 2 Relay 3 Relay 4 Relay 5
None green no open open open open open
Slave communication
error
yellow no closed closed open open closed
Slave fault yellow no closed closed open open closed
Central unit fault yellow no open open open open closed
Transmitter – mainte-
nance necessary
yellow no open open open open closed
Warm-up of the trans-
mitter
yellow no open open open open closed
Transmitter 2
ΛΛ
ΛΛ
ΛΛ
ΛΛ
ΛΛ
ΛΛ
ppm CO A4
Transmitter
Comms. interrupted !
Dräger VarioGard
Error EEPROM !
04623572
VarioGard
ESC
VarioGard
ESC
1
1