Display Error Code By Self-Diagnosis [Disp. Err.code] - Mitsubishi Electric MELPRO S Series Operation Manual

4.10. Display Error Code by Self-Diagnosis [DISP. ERR.CODE]

When the self-diagnosis function detects something to error, the error code relating a cause are saved.
More detail of the error code, please refer to instruction manual of each the relay model.
If the protection relay has no error, nothing is displayed.
Table 4-5 Description of error code
Error code
01
02
03
04
05 Digital output (D/O) condition check
06 Digital output (D/O) operation check
07
10 Watch dog timer (WDT) check
12
Turn Switch-1 to "DISP.
ERR.CODE" (position 14).
The error code is appeared.
This number is an example.
If the protection relay has no
error, nothing is displayed.
Details
ROM check
RAM check
Analog input (A/I) check
A/D operating check
Analogue filter check
A/D accuracy check
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