Maintenance Items; Escutcheon; Lcd Panel - Mitsubishi Electric MELDAS C6 Instruction Manual

7.3 Maintenance Items

Maintenance is categorized into daily maintenance items (items to be carried at set intervals) and
periodic maintenance (replacement of parts when life is reached).
Some parts will not function in a hardware manner when the life is reached, so these should be
replaced before the life is reached.
Class
Daily
maintenance
Periodic
maintenance

7.3.1 Escutcheon

(1) Cleaning the escutcheon
(a) Keep the rear side of the escutcheon as clean as possible.
(b) Wipe the escutcheon with a soft, clean, dry cloth. If cleaning is still required, put some neutral

7.3.2 LCD Panel

(1) Handling the LCD panel
[Precautions for use]
(a) The polarizing plate (display surface) of the LCD panel surface can be easily scratched, so be
(b) Glass is used in the LCD panel. Be careful not to drop the LCD panel or allow it to hit hard
(c) The polarizing plate may be stained or discolored if drops of water, etc., adhere to it for long
(d) Wipe off any dirt, dust, etc., on the polarizing plate using absorbent cotton or other soft cloth.
(e) A CMOS LSI is used in the LCD panel, so be careful of static electricity when handling.
(f) Never disassemble the LCD panel. Doing so will damage the panel.
[Precautions for storage]
(a) Do not store the LCD panel in locations having a high temperature or humidity. (Store within
(b) When storing the LCD panel as an individual unit, be sure that other objects do not touch or
(c) When storing the LCD panel for extended periods, be sure to store in a dark place away from
Downloaded from ManualsNet.com
7. Daily Maintenance and Periodic Inspection
Name
Escutcheon
(when using
communication
terminal)
Battery
(lithium battery)
Cooling fan
(control section)
LCD display unit
(when using
communication
terminal)
detergent on a cloth and wipe. Do not use alcohol, thinner, etc.
careful during handling.
objects, as the glass may chip or break.
periods, so be sure to wipe off any moisture immediately.
the storage temperature range.)
hit the polarizing plate (display surface).
exposure to direct sunlight or fluorescent light.
search engine
7.3 Maintenance Items
Life Inspection/replacement
Once/two months
(Accordingly when dirty)
Cumulative data When battery drop
holding time caution alarm occurs
45,000h (Guideline: approx. 5
years)
30,000h Refer to left.
10,000h Replace when backlight
(Specified by the darkens.
power ON time that
the brightness drops
to less than 50%.)
III - 45
Remarks
Refer to
section 7.3.1.
Refer to
"Connection
and
Maintenance
Manual."
Refer to
"Connection
and
Maintenance
Manual."
Refer to
section 7.3.2.