Inovance 76-4 fault code meaning

Series: MD880

Rectifier module 1 temperature low or NTC not connected

AC drive

Meaning:

Possible causes

• High ambient temperature.
• Load is too heavy.
• Blocked air duct.
• Fan run error: 1. Fan has stopped rotating or its speed is low. 2. Fan power board error.
• Module thermistor error.
• Other causes.

Source: MD880 Series AC Drive Function Manual (HCU) P635