Weq CFW700 Series, Руководство пользователя

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CFW700 | 57
Troubleshooting and Maintenance
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Table 6.3: Periodic inspection at every 6 months
Component Abnormality Corrective Action
Terminals, connectors
Loose screws
Tighten
Loose connectors
Fans /Cooling systems
Dirty fans Cleaning
Abnormal acoustic noise
Replace fan. See Figure 6.1
on page 58 and Figure 6.2
on page 58 . Check fan
connections
Blocked fan
Abnormal vibration
Dust in the panel air filters
Cleaning or replacement
Printed circuit boards
Accumulation of dust, oil, humidity, etc. Cleaning
Odor Replacement
Power module/ Power
connections Accumulation of dust, oil, humidity, etc. Cleaning
Loose connection screws Tightening
Capacitors of the DC link
(Intermediate Circuit)
Discoloration/ odor / electrolyte leakage
Replacement Safety valve expanded or broken
Frame expansion
Power resistors
Discoloration
Replacement
Odor
Heatsink
Accumulation of dust
Cleaning
Dirt
6.5 CLEANING INSTRUCTIONS
When it is necessary to clean the inverter, follow the instructions below:
„
Ventilation system:
- Disconnect the power supply of the inverter and wait for 10 minutes.
- Remove de dust accumulated in the ventilation opening using a plastic brush or cloth.
„
Remove the dust accumulated on the fins of the heatsink and fan blades using compressed air.
„
Electronic boards:
- Disconnect the power supply of the inverter and wait for 10 minutes.
„
Remove the dust accumulated on the boards using an anti-static brush or ion compressed
air gun (Example: Charge Buster Ion Gun (non nuclear) reference A6030-6DESCO).
If necessary, remove the boards from the inverter.
Always use grounding strap.