ABB A14 fault code meaning

ABB / A14

Series: ACS400

Serial communication loss

drive

Meaning: Serial communication through Standard Modbus Channel is lost. 15 *, ** MODBUS EXCEPTION Exception response is sent through Standard Modbus channel. The bus master may be sending queries which cannot be processed by the ACS 400. Last three exception response codes are stored into parameters 5213 - 5215.

Possible causes

Source: ACS400 User's Manual Rev C (EN, official site)

Series: DCS400

Up/Download Failed

DC drive

Meaning:

Possible causes

Source: DCS400 Manual (EN, official site)