English (GB)
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7.1.2 Main inspection and maintenance points
1)
Every 1000 running hours.
2)
Every month.
Inspection frequency
Inspection issue
Inspection item
Criteria or requirements
Routine
1)
Regular
2)
√
Running
environment
1. Temperature.
2. Humidity.
3. Gas.
4. Dust.
1. Temperature < 50 °C.
2. Humidity < 90 %, no
condensation.
3. No flammable, explosive gas.
4. Non-corrosive environment.
√
Cooling system
1. Installation
environment.
2. Radiator.
3. Fan.
1. Good ventilation in installation
environment.
2. Radiator air duct not blocked.
3. Fan should be running
smoothly, if equipped.
√
Inverter cabinet
1. Vibration.
2. Temperature rise.
3. Noise.
4. Leads, terminals.
1. A vibration that appears steady
and normal
2. Normal temperature.
3. No abnormal noise.
4. Leads and terminals fastened
properly.
√
Motor
1. Vibration.
2. Temperature rise.
3. Noise.
1. Steady running.
2. Normal temperature.
3. No abnormal noise.
√
Input and output
parameters
1. Input voltage.
2. Output current.
1. Input voltage within limit.
2. Output current under the rated
value.
