Chapter 8 Troubleshooting and Maintenance Shenzhen Hpmont Technology Co., Ltd.
-58- HD09 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
HD09 must be operated in the specified environment, see section 3.2 Requirement for the Installation
Site, page 6.
Users should follow the table below to do routine maintenance work in order to detect abnormal
phenomena in time to extend the life of the inverter.
Items Content Criteria
Running
environment
Temperature andhumidity
-10 - +40°C, derating at40 - 50°C
Less than 95%RH, non-condensing
Dust and water dripping No conductive dust accumulating, no water dripping
Gas No strange smell
HD09
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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