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Maintenance and Inspections
EÅ
Routine maintenance and inspections are essential for proper and satisfactory operation 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.
Type
Cycles
Daily
Daily
inspection
Periodical
Every year
inspection
<Notes>
• 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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