Maintenance
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SECTION 4 Maintenance
There are no customer-serviceable parts inside. Unauthorized
inspections and repairs could cause fires and electrical shock hazards.
Please call our field representative or your nearest JRC office for
inspection and repair services.
l When cleaning the surface, do not use any organic solvent such as thinner or benzene.
Otherwise, the painting on the surface may be damaged.
For cleaning the surface, remove the dust and refuse and wipe with clean dry cloth.
l Be sure to turn off power before starting inspection of the device.
4.1 Daily maintenance
The life of the device depends on how daily maintenance and inspection are performed carefully. To keep the device
in the best condition at all times, it is recommendable to perform periodical inspections constantly. Any failure in the
device can be prevented before it occurs through such inspections.
Please perform the inspections shown in the table below periodically.
Maintenance and inspection methods
No. Item Maintenance and inspection
1 Cleaning Remove stains from the panel face, controls, switches, top cover, and
bottom cover by wiping them lightly with dry cloth.
2 Loosening of parts Check screws, nuts, controls, switches, volume knobs, connectors, etc. for
any looseness to prevent them from dropping off and retighten them
correctly.
3 Cable Unit Inspect the state of connection of cables between units as well as
connectors so that they are connected correctly.
4 Fuses When the power fuse has blown, replace it after finding the cause. Use a
fuse sealed in a glass tube (included in the spare parts).
CAUTION
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