Display 464 — [Inverter] IPM Over Current Error

What does 464 mean?

The Intelligent Power Module (IPM) within the inverter has detected an over current condition.

• Short circuit within the IPM
• Excessive load on the inverter
• Faulty IPM component

Click steps to track your progress.

1. 1

   Turn off the power to the unit for at least 30 seconds, then power it back on.

2. 2

   Inspect wiring connected to the inverter for any signs of damage or loose connections.

3. 3

   If the error continues, the IPM likely needs professional inspection and possible replacement.