INF-TN1FSH-E
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5.5. Replacing LCD
The nominal service life of the LCD is 10 years. The contrast gradually deteriorates with time. Replace the LCD
when 5 to 6 years have passed since the start of use.
[Replacement procedure]
(1) Turn off the power and open the cover.
(2) Open the setting section of the display unit.
(3) Remove the flat cable connector.
(4) Remove the screws fastening the LCD unit (4 positions).
(5) Mount a new LCD unit (see parts list). Insert the operation key into the hole of the cover properly, paying
attention not to let the operation key to be pressed against or caught by the cover.
(6) Insert the flat cable connector. (Insert it securely.)
(7) Close the cover and turn on the power.
(8) Check that the LCD display and key operation are normal.
CAUTION
•
The unit has high-voltage section. Be sure to turn off the power before opening the cover.
M3 screw
×
4
LCD unit
Flat cable/connector