Error Description - Mitsubishi Electric FATEC FR-A800 Manual

5
BREAKDOWN MAINTENANCE
5.3.2

Error description

(1) The motor does not rotate.
The motor does not rotate when STR is turned ON.
(2) The frequency does not reach the set value.
When STF and high speed RH are ON, 55 Hz is displayed. High speed RH of 60 Hz is
required.
(3) E.OHT display <External thermal relay operation>
E.OHT is displayed.
(4) E.OPT display <Option fault>
E.OPT is displayed.
(5) E.PUE display <PU disconnection>
E.PUE is displayed.
(6) E.CDO display <Output current detection value exceeded>
When STF and high speed RH are ON, E.CDO is displayed at the startup.
(7) E.USB display <USB communication fault>
E.USB is displayed.
(8) E.RET display <Retry count excess>
When STF and high speed RH are turned ON, E.THM is displayed. However, E.RET is
displayed when three retries are performed after the automatic reset without fault output.
(9) MT1 display <Maintenance signal output>
MT1 is displayed.
(10) PS display <PU stop>
PS is displayed.
5.3 Appendices for demonstration (Confirmation of error descriptions and
84
others)