Esser 8000C - Trouble Messages in the Display

Fire Alarm Computer 8000C / M
Page 185
27.1 Trouble messages in the display
Up to three works-programmed trouble messages with 8 characters each can be displayed in the
second line of the display. If a clear text trouble message applying to an event is displayed, this
trouble message is shown automatically in the display or can be activated with the function key
Param/AT
.
Trouble
text
possible cause 1st measure 2nd measure
UBext
UB
ext
fuse blown. Short
circuit in UB
ext
supply
voltage
Check whether fuse blown
or short circuit
---
UBint
supply voltage Short circu
it
in UB
int
supply voltage
Check whether fuse blown
or short circuit
---
ULine
U
line
fuse blown
Check fuse and replace if
necessary
---
short
Brief loss of mains power
Check mains supply and
mains fuse
---
long
Loss of mains power
Check mains supply and
mains fuse
---
ext. PSU
Failure of supplementary
external power supply
Check external power
supply unit
Check monitor line
paper out
The internal printer has ru
n
out of paper
Replace the printer paper
roll
---
not ready
The paper retaining lever
has not been returned to
its original position after
paper change
Set lever to correct
position
---
not voltage
The internal printer has no
supply voltage
Check wiring of UB
ext
and
fuse
---
short cct.
A short circuit has been
detected in the
corresponding primary
loop
Check the indicated
primary loop (see Prloop
No.)
---
short/open
A short or open circuit has
been detected in the
corresponding primary
loop
Check the indicated
primary loop (see Prloop
No.)
---
com. err.
A communications error
has been detected in the
corresponding primary
loop
Check detector contacts,
replace detector and/or
necessary module if start-
up
---
start-up
An error has been
detected when an analog
ring loop was switched on
;
normal operation is
impossible
Localise the source with
the service
program92GRAF or
92TOOLswitch on or
reconfigure the analog ring
loop
---
Trouble message
s