IDEC High Performance Series - Manual (Page 1328)

1 HG2G-S/-5S
34-12 WindO/I-NV2 User’s Manual
1.9 Maintenance and Inspection
Maintain and inspect the HG2G-S/-5S periodically to ensure the best performance. Do not disassemble, repair, or
modify the HG2G-S/-5S during inspection.
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Replacing the Backup Battery
A backup battery is built into the HG2G-S/-5S (expect for HG2G-5ST22VF) 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-S/-5S, wait for approximately one minute, and then turn off the power again.
3 Insert a flathead screwdriver into the battery holder as shown in the figure, and remove the battery. The battery may
pop out from the battery holder.
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-S/-5S’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-S/-5S 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.