Message
Cause
Necessary measure
Failure battery ● Battery deeply discharged.
● Battery is defective.
● Battery not connected.
Check whether there was a mains
failure. If yes, then charge the bat-
teries for 24 hours in the system.
The failure message must then be
able to be reset. If this is not pos-
sible, the batteries must be
changed.
Failure battery
int. resistance
● Battery is defective.
Change batteries.
Failure (too
high) air flow
● Suction pipe has loosened.
Fasten the suction pipe.
● Suction pipe is broken.
Replace the suction pipe.
● Too many suction bores.
Seal some suction bores.
● Blind plug is missing.
Mount the blind plug.
Failure (too
low) air flow
● Suction pipe heavily contaminated.
● The filter in the air flow monitoring is
contaminated.
● There are not enough suction bores,
there are no suction bores or the suc-
tion bores are too small in the pipe
system.
Clean the suction pipe. If the
failure continues to exist, replace
the air filter.
Failure
detector 1
● Detector head 1 defective.
● Detector head 1 is missing.
Inform service.
Failure
detector 2
● Detector head 2 defective.
● Detector head 2 is missing.
Inform service.
Failure Com-
munication
● Power supply (24 V) to the slave is
interrupted.
Check / insert power supply (24 V).
● Electrical defect.
● CAN bus connecting cable (Master/
Slave) to the Slaves not connected.
● Addressing at the Master or Slaves is
wrong.
Inform service.
Failure tank
triggering
● Blocking switch actuated (position
"Agent disconnect [blocked]").
Switch blocking switch to "Agent
connect [not blocked]" position.
● Wire break on the trigger line to the
propellant cartridge.
Inform service.
Extinguishing
agent loss
● Filling level too low (internal/external).
● System not installed horizontally.
● Loss of extinguishing agent in the
tank (internal/external).
Align the system horizontally and
check whether the failure message
goes away.
Inform service.
Failure
extinguishing
agent
● Wire break or short circuit on the line
"external tank".
Inform service.
Messages display
Operating Instructions / DET-AC III Master / 916005 / 11-2022 / en_US
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