61440
Monitoring Unit Faulty
Huawei · SUN2000 Solar Inverter
What does 61440 mean?
The monitoring unit has an issue, possibly due to insufficient flash memory or bad sectors in the flash memory. This can affect the inverter's ability to monitor and log data.
Common Causes
- The flash memory is insufficient.
- The flash memory has bad sectors.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Turn off the AC output switch and then the DC input switch.
- 2
After 5 minutes, turn on the AC output switch and then the DC input switch.
- 3
Replace the board if the fault persists.
Verified technical data. Last updated: March 2026
Related Faults
Source: Huawei SUN2000 Solar Inverter