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6. MAINTENANCE, TROUBLESHOOTING
6-3
6.3 Troubleshooting
If something appears to be wrong with the equipment, follow the procedure in the table
below to restore normal operation. If you cannot restore normal operation, do not
check inside the equipment. Get a qualified technician to check the equipment.
Problem Remedy
Bridge Panel does not function
after you press the BRILL key.
• Check if the AC-DC Power Supply unit is pow-
ered. (The power lamp is on if powered.)
• Check if the breaker on the AC-DC Power Supply
unit has activated. (The orange button on the
front panel is “out”.) Check if the power lamp is il-
luminated.
• Check if the fuse in the power cable for the Bridge
Panel has blown.
• Check that the power connector is connected.
• Check for corrosion on the power cable.
• Check if the power cable is damaged.
A key on the Bridge Panel is
operated, but there is no
response.
Reset the power and operate the key. If the key
does not operate, contact your dealer.
When the Bridge Panel is started,
the start-up screen shows ROM
NG or RAM NG.
Reset the power. If NG appears again, contact your
dealer.
An alarm is not sent to a Cabin
Panel.
Do the procedure in section 6.4 to check the wiring
in the Cabin Panel.