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Maintenance and Inspections
Å E
Routine maintenance and inspections are essential for proper and satisfactory op-
eration of the amplifier and motor.
Notes to Maintenance/Inspections Personnel
1)Power-on/off operations should be done by the operators themselves.
2)For a while after power off, the internal circuits is kept charged at higher voltage. Inspections should
be done a while (about 10 minutes), after the power is turned off and the LED lamp on the panel is
extinguished.
3)Do not take insulation resistance measures because the amplifier gets damaged.
Inspection Items and cycles
Normal (correct) operating conditions:
Ambient temperature: 30 °C (annual average) Load factor: max. 80%
Operating hours: max. 20 hours per day
Daily and periodical inspections should be done per the following instructions.
T y p e
C y c l e s
Daily
Daily
i n s p e c t i o n
Periodical
Every year
i n s p e c t i o n
< N o t e s >
If the actual operating conditions differ from things mentioned above, the inspection
cycles may change accordingly.
• Ambient temperature, humidity, dust, particles, foreign matters, etc.
• Abnormal sound and vibration
• Main circuit voltage
• Odor
• Lint or other foreign matters in the ventilation openings
• Cleanliness of the operation board
• Damaged circuits
• Loosened connections and improper pin positions
• Foreign matters caught in the machine (motor load)
• Loosened screws
• Signs of overheat
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Inspection items
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