VIEWSONIC EXES-2000 - Manual (Page 40)

Trouble-shooting at the time of installation
(1) Cannot dial
All stations?
No (Specified stations)
Yes
Switch settings for SW1 and
SW2 on LM are made properly? Set switches
properly
Yes
Is wiring to the station correct? Wire correctly;!
Replace station LM CC in
that order
Power indicator lamp on
exchange and
FC-210 is lit normally?
No
Check AC/DC fuses
Check wirings of power
cable
Yes
Each unit is mounted in a
correct position? No Mount them in correct
positions
Yes
Station No.24
programming is completed?
No Make station No.24
programming
Yes
DC voltage normal?
(+5V, +24V)
No
Yes
Replace CC
Voltage becomes normal when
all the units are removed?
No
Yes
Replace CC
Replace units that cause
the voltage to return to
normal when they are removed.
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