Option alarm
Mitsubishi Electric · A500 Inverter
Was bedeutet E.OPT ?
This alarm stops the inverter output if two or more communication options are fitted (with exceptions for FR-A5NR). If a high power factor converter is connected, this alarm appears if an AC power supply is accidentally connected to the R, S, T <L1, L2, L3> terminals, which can result in inverter damage.
Häufige Ursachen
- An alarm condition has been triggered by an optional accessory or expansion module.
- Communication failure with a connected option device.
- Option device internal fault.
- Incorrect configuration of the option device within the system.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify that only one communication option (excluding FR-A5NR if used solely for relay output) is installed in the inverter.
- 2
If a high power factor converter is connected, confirm that no AC power supply is connected to the R, S, T <L1, L2, L3> terminals.
- 3
Check the setting of parameter Pr. 30.
- 4
Verify the wiring for high power factor converter connections.