Appendices For Demonstration (Confirmation Of Error Descriptions And Others); Error Setting - Mitsubishi Electric FATEC FR-A800 Manual

5
BREAKDOWN MAINTENANCE
5.3 Appendices for demonstration (Confirmation of error
descriptions and others)
Following the 5.2 Troubleshooting by the demonstration machine in the previous section, this section
provides the simple errors descriptions.
Check the error details by following "Error setting", "Error description", and "Error handling
procedure" in this order.
5.3.1

Error setting

(1) Prevention of reverse rotation <When the prevention of reverse rotation is valid>
Change D020 (Pr.78) (Prevention of reverse rotation of the motor) from the initial value "0" to "1"
(reverse rotation disabled), and turn ON STR. Check that the REV of the parameter unit blinks
and the motor does not rotate in the reverse direction.
(2) Maximum frequency setting
Change H400 (Pr.1) (Maximum frequency) from "120 Hz" to "55 Hz", and turn ON STF and high
speed RH. Then, check that 55 Hz is displayed although the high speed RH is set to 60 Hz, and
that the frequency cannot exceed 55 Hz.
(3) E.OHT display <External thermal relay operation>
Change T708 (Pr.186) (CS terminal function selection) from "6" (automatic restart after
instantaneous power failure selection) to "7" (external thermal relay input) and make CS - SD
terminal open. Check that E.OHT is displayed.
(4) E.OPT display <Option fault>
Change E300 (Pr.30) (Regenerative function selection) from "0" (built-in brake) to "2" (high
efficiency converter or power supply regeneration common converter connection), and check
that E.OPT is displayed.
(5) E.PUE display <PU disconnection>
Change E101 (Pr.75) (PU disconnection detection) from "14" (operation continues even when
PU disconnected) to "2" (inverter output shut off when PU disconnected), and turn ON STF and
high speed RH. Disconnect PU after 60 Hz is displayed and stop the inverter output. Check that
E.PUE is displayed.
(6) E.CDO display <Output current detection value exceeded>
Change M464 (Pr.167) (Output current detection operation selection) from "0" to "1", M460
(Pr.150) (Output current detection level) from "150" to "40", and turn ON STF and high speed
RH. Check that E.CDO is displayed at the start up.
(7) E.USB display <USB communication fault>
Change N041 (Pr.548) (USB communication check time interval) from "9999" to "1", and check
that E.USB is displayed when disconnecting USB cable with FR Configurator2 being online.
5.3 Appendices for demonstration (Confirmation of error descriptions and
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others)