Toshiba TOSVERT VF-AS3, Instruction Manual

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E6582062 
13-15
13. Trip information and measures
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If the motor does not run while no trip message is displayed, follow these steps to track down the
cause.
13. 3 If motor does not run while no trip
message is displayed
The motor does not run.
Yes:
No:
Is the screen of the operation
panel displaying something? Check the power supply and the MCCB.
Is power being supplied normally?
Turn ON performing one of the following standby method.
• Turn ON a terminal with ST (standby) function assigned.
• Turn OFF a terminal with FFR (coast) function assigned.
• Set <F110: Always active function 1> to "6: Standby".
Reset the inverter that has tripped after inspecting the cause of trip and eliminating the trip factor.
For how to reset, refer to [13.2].
The inverter is in the process of retrying.
The retry function can be disabled by normal or emergency off operation, or by turning OFF the
inverter.
• In the case of panel run: Press the [RUN] key to start the operation. Check if the panel run
frequency is set. (Refer to [4.3.1])
• In the case of other run command: Change the setting of <CMOd: Run command select>.
(Refer to [5.2.1])
• In the case of panel run: Change the setting of <CMOd: Run command select> to "1". (Refer to
[4.3.1]) The status of the input terminal can be also checked by the monitor. (Refer to [3.1.2])
• In the case of other run command: Check if an external run command is being input.
• Check to see that the frequency setting signal is not set at zero.
• Check the settings for <FMOd: Frequency command select 1>. (Refer to [5.2.1])
• Check the settings of frequency setting signal points 1 and 2. (Refer to [7.3])
• Check the setting of <F241: Run frequency> to see if it is larger than the operation frequency.
(Refer to [6.7.2])
• Check that the frequency setting (preset-speed operation frequency, etc.) is not set at zero.
• Check that the motor is not under a load too large or not locked up. Reduce the load if the load
is large.
Supply the power normally.
Is "OFF" displayed?
Is the trip display
displayed?
Is "rtry" and the trip display
lit alternately?
Is the LED lamp of
[RUN/STOP] key lit?
Is the LED lamp of
[RUN/STOP] key OFF?
Is the screen displaying
"0.0Hz" for the output
frequency?
Determine the cause using the parameter display and the monitor display.
Refer to [Chapter 11] for the list of parameter display or [Chapter 8] for the list of monitor display.