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How to clean heatsink on a GT100 & GT250?

The inverter faulted on over tempt 0060 or 0061.

Product Line:
GT100 & GT250

Dirty, lots of dust

The dust build up over time created a carpet dust on the heatsink itself, which prevent it from radiate heat away from the matrix\IGBT.

You need to clean the heat sink (power down the inverter completely: AC and DC).
1. See if you can get into the panel at the back of the inverter. If not, remove the back panel (air intake panel)
2. Remove the fan guard.
3. Lift the fan upward to access the heatsink
4. Use metal brush to get dirt out of heatsink
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