Mitsubishi Electric 800 Series Instruction Manual page 46

NOTE
• Refer to the FR-E800 Instruction Manual (Function) to perform the life check of the inverter parts.
 Replacement procedure of the cooling fan
The replacement interval of the cooling fan used for cooling the parts generating heat such as the main circuit semiconductor
is greatly affected by the surrounding air temperature. When unusual noise and/or vibration are noticed during inspection, the
cooling fan must be replaced immediately.
 Removal
1.
Push the hooks from above and remove the fan cover.
FR-E820-0080(1.5K) to 0330(7.5K)
FR-E840-0040(1.5K) to 0170(7.5K)
FR-E860-0027(1.5K) to 0120(7.5K)
2.
Disconnect the fan connectors.
3.
Remove the fan.
Fan cover
Fan
FR-E820-0080(1.5K) to 0330(7.5K)
FR-E840-0040(1.5K) to 0170(7.5K)
FR-E860-0027(1.5K) to 0120(7.5K)
 Reinstallation
1.
After confirming the orientation of the fan, install the fan so that the "AIR FLOW" arrow faces up.
<Fan side face>
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3. Precautions for Maintenance and Inspection
3.1 Inspection item
AIR FLOW