Product manual

Maintenance, Fault finding procedures
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
31
COMMON USER
COMPLAINT
All
cordless phones see
no system?
Y
N
Complaints
come from
same area?
N
Y
Blocking
calls?
2)
Y
N
INDIVIDUAL USER
COMPLAINT
Lack of resources in
base stations or
SPUs/SPU-S or SLUs
Poor coverage of an
area caused by lack
of base stations or a
malfunctioning base
station 1)
2) When pressing the hook-key on the cordless phone, the hook symbol on the
display does not become stable and the cordless phone automatically goes
on-hook.
1) A malfunctioning base station can be detected by:
- testing the base station with the cordless phone in the service display
mode (see para 3.7)
- checking the load of the base stations by
System manager - Statistics -
Display - Station - Station load
or
- checking the working of the base stations by System manager -
Statistics - Settings - View on line
Green LED on
all boards on?
CPU
Y
N
Cordless phones
of one cabinet see no
system?
Y
PSU of
associated cabinet
N
- Check fuses at power
switch
- Check power source
Fuses
and
power source
okay?
Replace fuse or
repair power source
Replace backplane
N
Y
007