Description
An error was detected by the diagnostic function for the feedback signal from the contactor output.
Subcode description
The meaning of each sub code is
as follows:
1:KMMB1
2:KMMB2
3:KMMB3
4:KMMB4
Causes and remedies
| Cause | Remedy |
|---|---|
| Cable (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, check the connection between the ASU03 unit and APU01 unit, checking for loose connectors and cable continuity. |
| ASU03 unit (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the ASU03 unit. For a system with multiple ASU03 units connected, replace the ASU03 unit connected to the signal that generated the alarm. |
| APU01 unit (abnormal) | 1. Reset the alarm. 2. If the alarm recurs, replace the APU01 unit. |
| Other | If the alarm occurs again after implementing the countermeasures, contact our service department and describe the circumstances when CMOS.BIN was saved (operating procedure, etc.). |