Fire Alarm Computer 8000C / M
Page 187
Trouble
text
possible cause 1st measure 2nd measure
AD conv.
A/D converter card on the
basic module is faulty or
the A/D converter of a 4-
zone BM module in an
analog ring is defective
Replace basic module or
micro module
---
int. det. err.
A dirty detector was found
during an EDD zone test
Clean or replace detector ---
reset
A detector could not be
reset during an EDD zone
test
Replace detector ---
no SOC
The switch-on control of a
detector was impossible
during an EDD zone test
Replace detector ---
Addr. err.
A detector with Address 0
was found during an EDD
zone test
A non-addressable fire
detector has been
connected in an EDD
detector zone
the address board in the
detector base is defective
or the illicit address 0 has
been selected
no 24V
Loss of line voltage for the
indicated module
Check U
line
fuse and
replace if necessary
Replace module
DAC err.
Defective D/A converter in
the indicated module
Replace module ---
Request
No valid value can be
obtained from an EDD
detector zone or a
monitored relay
Voltage interference on th
line
Check cable screening an
wiring
Ulinie <
Loop voltage difference,
measured from A>B, ist
too high. Sounder
activation is impossible.
Module damaged, loop
resistance too high
check loop devices
WireRes
Loop resistance too high.
Sounders are unable to
operate with full sound
pressure.
Check cable length
depends on number of
sounders. Check with
calculation diagramms
Check terminals from all
loop devices
Err. 42 V
Loss of 42 V loop voltage
mains supply not in +42 V
mode
analog loop module
damaged
I-MesDef
Internal module failure Module damaged Sounder damaged
Trouble message