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ZAPI Controllers · MDI-PRC 67
CAN Bus KO

What this code means

It occurs if the controller does not receive any message from the CAN Bus line.

Applies to: ZAPI AC-0 SSL Sensored inverter (traction & pump configuration).

Possible causes / checks (from the source)

First of all, check the wiring. If it is OK, try to disconnect one to one the module connected to the CAN Bus and check if this alarm disappears. When you are quite sure the problem is in the present module, it is necessary to replace the controller.

Need the part?

If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (MDI-PRC 67), machine model and serial number — we quote genuine and OEM replacement parts for export.

Source: ZAPI AC-0 SSL Sensored User Manual (AE0ZP0EC) via ManualsLib; corroborated by ZAPI AC0 Inverter manual (eastelite.co.za). Cross-checked in two independent sources. Compiled 2026-10-30. No manufacturer affiliation.