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2-1
2. MAINTENANCE,
TROUBLESHOOTING
WARNING
Do not open the equipment.
Only qualified personnel should work inside
the equipment.
2.1
Maintenance
Check the following points regularly to maintain performance:
•
Check that connections on the rear panel are firmly tightened and free of dust.
•
Check that the ground system is free of rust and the ground wire is tightly
fastened.
•
Dust and dirt on the display unit can be removed with a soft cloth. Do not use
chemical cleaners to clean the display unit – they can remove paint and
markings.
2.2 Error Messages
In addition to the alarm messages mentioned in Chapter 1, the RD-30 displays
the following messages to alert you to possible trouble.
Message Meaning, Remedy
BACKUP ERROR DATA! RAM data corrupted. Try to clear backup
data, referring to paragraph 2.5.
BATTERY ALARM! Voltage of internal battery is low. Have a
qualified technician replace the battery,
following the procedure in paragraph 2.4.
RAM ERROR! Request service.
ROM ERROR! Request service.