LS ELECTRIC eXP2 Series, User Manual, Page: 93 / 129

Chapter 11 Maintenance
11-2
11.3 Periodical Maintenance
Check the followings once or twice every six months and take measure.
Maintenance category
Maintenance
method
Criterion Action
Environment
Surrounding
Temperature
Measure through
Temperature
/Hygrometer Measure
of corrosive gas
0 ~ 50

C
Modify it to meet
the general standard.
(Environment standard
in the panel)
Surrounding
Humidity
10 ~ 85%RH
Surrounding
pollution degree
No corrosive gas.
XGT Panel
Status
Unwinding, swing Move XGT Panel Fixed firmly Retighten screws
Dust, foreign
matter adhesion
Visual check Not loose -
Connection
status
Looseness
Retighten screw with
Screwdriver
Not loose Retighten screws
Reduce the distance
between compressed
terminals.
Visual check
Keep the proper
distance.
Correction
Loose connectors Visual check Not loose
Wind the fixed screw of
connector
Loose brackets
Retighten screw with
Screwdriver
Not loose Retighten screws
Power voltage maintenance
Check the power
voltage of input terminal
of power by test
AC100~240V: AC85~
264V DC24V: DC19.2 ~
28.8V
Supply
power modification
Battery
Check when battery is
exchanged and voltage
drop is indicated.
(It is expressed
by system alarm)

Check the total of
power stoppage time
and guarantee
duration

There is no battery
voltage drop indication
If guarantee duration is
exceeded even tough
there is no battery
voltage drop indication,
change the battery.
LCD Backlight maintenance Visual check
Check the guarantee
duration
When error occurs,
change the backlight.
Touch status
Touch location error
Check at the
Diagnostics
of XGT Panel
Appropriate
touch location
Reset at the setting of
XGT Panel.
Damage of Touch Visual check
There is no damage
or deterioration
When error occurs,
change touch
Damage or Deterioration
of protection sheet
Visual check
There is no damage
or deterioration
When error occurs,
Change protection
sheet