Cabinet Over-Temp

What does 321 mean?

A major fault indicating that the internal temperature of the SUN2000 cabinet is too high, potentially due to poor ventilation, high ambient temperature, or a malfunctioning internal fan. This can lead to reduced performance, shutdown, or damage to internal components.

• The SUN2000 is installed in a place with poor ventilation.
• The ambient temperature is too high.
• The internal fan is not working.

Click steps to track your progress.

1. 1

   Check whether the ambient temperature for the SUN2000 exceeds its upper limit.

2. 2

   Improve ventilation around the SUN2000 to decrease the temperature.