Chapter 8 Inspection and maintenance
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Chapter 8 Inspection and maintenance
Inspection and maintenance of the inverter requires professional and qualified
personnel, and pay attention to the following matters
:
Maintenance personnel must follow the specified methods of maintenance and
maintenance.
The power of the inverter must be turned off for 5 minutes before maintenance.
Do not directly touch the components on the PCB, otherwise it will be easily
damaged by static electricity.
After maintenance is complete, you must confirm that all screws are tightened.
8-1 Maintenance
Due to the influence of the environment (such as temperature, humidity, smoke, etc.) of
the inverter and the aging of components inside the inverter, various faults may occur in the
inverter. Therefore, the inverter must be inspected daily and regularly maintained during
storage and use. Daily inspection and maintenance refer to the following table
:
Check issues
inspection cycle
Check content
Criteria and maintenance
anytime regular
Operating
environment
√
1,Temperature,
humidity
2. Dust, moisture
3. Gas
1. Temperature <40 ° C,
humidity < 90%,
2. No frost, no odor, no
flammable, explosive gas
cooling system
√
1.Installation
environment
2. Inverter body fan
1. The installation environment
is well ventilated and the air
duct is non-blocking
2. The main body fan
worksnormally without
abnormal noise
Frequency
converter
√
1.Vibration,
temperature rise
2. Noise
3.
Internal
dust,
1. Smooth vibration, normal air
outlet temperature
2. No abnormal noise, no odor
3. Completely remove with dry