Mitsubishi Electric FR-A8NP Instruction Manual page 15

NOTE
• When mounting/removing the plug-in option, hold the sides of the option. Do not press on the parts on the option
circuit board. Stress applied to the parts by pressing, etc. may cause a failure.
• Caution must be applied to mounting screws falling off when removing and mounting the plug-in option.
• When using this plug-in option, insert it to the inverter option connector 1. If it is inserted to the option connector 2 or 3,
the protective function (E.2 or E.3) is activated and the inverter will not operate.
Even if the option is inserted to the option connector 1, when the inverter cannot recognize that the option is mounted
due to improper installation, etc., the protective function (E.1) is activated.
Mounted position
Option connector 1
Option connector 2
Option connector 3
• When removing the plug-in option, remove the two screws on the left and right, then pull it straight out. Pressure
applied to the connector and to the option board may break the option.
• Always attach the earth plate because a malfunction due to noises may occur without it.
14
INSTALLATION
Fault indication