Table of Contents
Advertisement
4 HG2G-5T, HG1G
4.10 Maintenance and Inspection
Maintain and inspect the HG2G-5T, HG1G periodically to ensure the best performance. Do not disassemble, repair, or
modify the HG2G-5T, HG1G during inspection.
Maintenance and
Inspection Parts
Display
Terminals, Connectors
Mounting Clips
Backlight
Backup Battery
Touch Panel
Replacing the Backup Battery
●
A backup battery is built into the HG2G-5T, HG1G to retain the internal backup data (log data, keep resister, and keep
relay) and clock data.
When the "Replace the battery" message is displayed, replace the backup battery by following the procedure below.
When the "Battery level LOW" message is displayed, replace the battery immediately; otherwise, the backup data and
clock data may be lost.
Whether or not to display the reminder message for battery replacement can be specified with the WindO/I-NV4. For
details, refer to Chapter 4 "3.1 System Tab" in the WindO/I-NV4 User's Manual.
1
Follow the procedure below to remove the battery holder cover.
HG2G-5T
Turn the cover counterclockwise using a coin.
2
Turn on the power to the HG2G-5T, HG1G, wait for approximately one minute, and then turn off the power again.
After turning off the power to the HG2G-5T, HG1G in step
seconds to replace the battery without losing the backup data and clock data. However, it is recommended
that the backup data be transferred to flash memory as a precautionary measure. For the procedure to
transfer the data to flash memory, refer to Chapter 35 "Internal Devices" in the WindO/I-NV4 User's Manual.
If it is not necessary to save the data, step
1-74
Wipe any stain of the display using a soft cloth slightly dampened with neutral detergent or
alcoholic solvent. Do not use solvents such as thinner, ammonia, strong acid, and strong
alkaline.
Check the terminals and connectors to make sure of no loose screws, incomplete insertion, or
disconnected lines.
Make sure that all mounting clips and screws are tightened sufficiently. If the mounting clips
are loose, tighten the screw to the specified torque.
The HG2G-5T, HG1G's backlight cannot be replaced by the customer. When the backlight needs
to be replaced. Contact your vendor or IDEC Corporation.
The operating life of the internal battery is approximately five years. It is recommended to
replace the battery every five years even before the reminder message for battery replacement
is displayed.
A gap may be caused in the operation accuracy of the touch panel by the secular distortion,
etc. Readjust the touch panel in the System Mode according to the following procedure when
there is a gap in the operation of the touch panel.
page 1-78 for details.
HG1G
Use a flat head screwdriver.
2
MICRO/I Hardware Manual
Description
Refer to "Adjusting the Touch Panel" on
2
, complete the steps through
can be skipped.
4
within 30
Advertisement
Table of Contents
