Chapter 8 Troubleshooting and Maintenance Shenzhen Hpmont Technology Co., Ltd.
- 76 - HD09-S Series User Manual V1.1
8.2 Maintenance
• Must be maintained by professionally trained and authorized professionals.
• Before the inverter is inspected and maintained, the input power of the inverter is completely disconnected.
See check that the input power is fully disconnected, page 9.
• For a converter with a storage time of more than 2 years, the power supply should be boosted by the regulator.
• Do not leave metal objects such as wires, tools, screws, etc. inside the drive.
• Do not modify the inverter internally.
• Do not touch the IC device with static-sensitive IC device inside the inverter.
Daily Maintenance
The user should do the daily maintenance work according to the following table, in order to find the
anomalies in time and prolong the service life of the inverter.
Items Content Criteria
Running
environment
Temperature and humidity
-10 - +40°C, derating at 40 - 50°C
Less than 95%RH, non-condensing
Dust and water dripping No conductive dust accumulating, no water dripping
Gas No strange smell
HD09-S
Oscillation and heating Stable oscillation and proper temperature
Noise No abnormal sound
Motor
Heating No overheat
Noise Low and regular noise
Running status
parameters
Output current Within rated range
Output voltage Within rated range
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