IDEC High Performance Series - Manual (Page 1347)

WindO/I-NV2 User’s Manual 34-31
2 HG2G-5F, HG3G/4G
34
MICRO/
I Specif
ication
s
2.10 Maintenance and Inspection
Maintain and inspect the HG2G-5F, HG3G/4G periodically to ensure the best performance. Do not disassemble, repair,
or modify the HG2G-5F, HG3G/4G during inspection.
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Replacing the Backup Battery
A backup battery is built into the HG2G-5F, HG3G/4G 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 configuration
software. Refer to Chapter 4 “3.1 System Tab” on page 4-26 for details.
1 Remove the battery holder cover.
2 Turn on the power to the HG2G-5F, HG3G/4G, wait for approximately one minute, and then turn off the power again.
3 Remove the battery from the battery holder.
4 Put a new replacement battery into the battery holder. Do not insert the battery reversely.
5 Replace the battery holder cover into the original position.
• The operating life of the internal battery is approximately four years. It is recommended to replace the battery
every four years even before the reminder message for battery replacement is displayed.
• IDEC provides replacement service for the battery (at customer’s expense). Contact IDEC.
Display
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.
Terminals, Connectors
Check the terminals and connectors to make sure of no loose screws, incomplete insertion, or
disconnected lines.
Mounting Clips
Make sure that all mounting clips and screws are tightened sufficiently. If the mounting clips are
loose, tighten the screw to the recommended tightening torque.
Backlight
The HG2G-5F, HG3G/4G’s backlight cannot be replaced by the customer. When the backlight
needs to be replaced, Contact IDEC.
Backup Battery
The operating life of the internal battery is approximately four years. It is recommended to
replace the battery every four years even before the reminder message for battery replacement
is displayed.
Touch Panel
A gap may be caused in the operation accuracy of the touch panel by the secular distortion, etc.
Readjust the touch panel according to the following procedure when there is a gap in the
operation of the touch panel.
After turning off the power to the HG2G-5F, HG3G/4G in step 2 , complete the steps through 4 within 30
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 32 “Internal Devices” on page 32-1. If it is not necessary
to save the data, step
2 can be skipped.
(+) side