Instruction manual

134
Diagnosis (System Area)
4.8.2 Procedure of main circuit capacitor life measuring
1) Confirmation window appears before measuring. Check the
following items, and click .
• Motor is connected?
• Motor is stopped?
• Enough time has been passed after the motor operation?
2) Performs parameter setting for measuring the main circuit
capacitor life. Click .
3) Click , and then turn the inverter power OFF.
4) After making sure that the POWER lamp of the inverter is OFF,
switch ON the power supply again. Click after
powering ON the inverter.
5) Displays the measuring result of the main circuit capacitor life
in "Measured Value". A check mark is shown at the life
information field of main circuit capacitor if the main circuit
capacitor is recommended to be replaced. (Displays a
previous value in "Last Value" if the main circuit capacitor life
value measured last time is stored in the inverter when
updating diagnostic information.)
REMARKS
• When the main circuit capacitor life is measured under the following conditions, "forced end" (Pr. 259 = "8") or "measuring error"
(Pr. 259 = "9") occurs or it remains in "measuring start" (Pr. 259 = "1"). Therefore, do not measure in such case. Proper
measurement is not performed when "measuring" (Pr. 259 = "3") appears under the following conditions.
(a) FR-HC, MT-HC, FR-CV, or a sine wave filter is connected
(b) Terminals R1/L11, S1/L21 or DC power supply is connected to the terminal P/+ and N/-.
(c) The power supply is switched ON during measurement.
(d) The motor is not connected to the inverter.
(e) The motor is running (coasting)
(f) The motor capacity is two ranks smaller as compared to the inverter capacity.
(g)The inverter is tripped or a fault occurred when power is OFF.
(h) The inverter output is shut off with the MRS signal.
(i) The start command is given while measuring.
(j) The parameter unit (FR-PU04/FR-PU07) is connected (FR-D700, E700, F700PJ series only)
(k) Terminal PC is used as power supply (FR-D700, E700(SC), F700PJ series only)
(l) An I/O terminal of the control terminal block or the plug-in option is ON (continuity) (FR-D700, E700, F700PJ series only)
(m)A plug-in option is fitted. (only for the 0.75K or less of the FR-E700(SC) series)
(n) Test operation is being performed. (Pr.800 = "9") (FR-A700, F700P, F700PJ series only)
(o) "EV" is displayed on the operation panel. (The main circuit power supply is OFF and the 24V external power supply is
ON.) (When using the safety stop function model with FR-E7DS mounted.)
• Turning the power ON during measuring before LED of the operation panel turns OFF, it may remain in "measuring" (Pr. 259 =
"2") status. In such a case, perform life measurement again.
Measurement Result is displayed