Inverter Replacement - Mitsubishi Electric 800 Series Instruction Manual

• The control terminal block must be replaced in case of failure of the relay connected to the relay output terminals A, B, and
C. (Refer to page
the control logic of input signals.) (Refer to the FR-E800 Instruction Manual (Connection) or FR-E860 Instruction Manual
(Connection).)
3.1.7

Inverter replacement

This product has a removable control circuit terminal block, which can be replaced with a new one.
 Removal and reinstallation
1.
Loosen the fixing screw of the control circuit terminal block.
Slide down the control circuit terminal block to remove it.
2.
Be careful not to bend the pins of the inverter's control circuit connector, reinstall the control circuit terminal block
and fix it with the mounting screws.
NOTE
• Before starting the replacement, power OFF the inverter, wait for at least 10 minutes, and then check that the LED is OFF to
ensure safety.
 Removal and reinstallation precautions
The following are the precautions to remove or reinstall the control circuit terminal block. Observe the following precautions
and handle the inverter properly to avoid malfunctions or failures.
• To remove or reinstall the control circuit terminal block, keep it upright so that it is parallel with the inverter.
• To install the control circuit terminal block, slide it upward so that the tongues on the inverter slot into the grooves on the
terminal block.
50
3. Precautions for Maintenance and Inspection
3.1 Inspection item
50.) (After replacing the control terminal block, set the switch to the correct position in accordance with
Loosen the
screws