4 Start-Up Programming & Operation
YASKAWA ELECTRIC TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide 129
Start-Up Programming
& Operation
4
◆ Setup Troubleshooting and Possible Solutions
This section describes troubleshooting problems that do not trip an alarm or fault.
■ Cannot Change Parameter Settings
Symptom Page
Cannot Change Parameter Settings 129
Motor Does Not Rotate Properly after Pressing RUN Button or
after Entering External Up/Down Command
Motor Does Not Rotate 130
Motor Rotates in the Opposite Direction from the Up/Down
Command
130
Motor Gets Too Hot 131
Drive Does Not Allow Selection of Rotational Auto-Tuning 131
Encoder Offset (E5-11) Set During Auto-Tuning (Rotational or Stationary) Consistently Differs by 30 Degrees or More 131
Noise From Drive or Output Lines When the Drive is Powered On 131
The Safety Controller Does Not Recognize Safe Disable Monitor Output Signals (Terminals DM+ and DM-) 131
Cause Possible Solutions
The drive is running the motor (i.e., the Up/Down
command is present).
• Stop the drive and switch over to the Programming Mode.
• Most parameters cannot be edited during run.
The Access Level is set to restrict access to
parameter settings.
Set the Access Level to allow parameters to be edited (A1-01 = 2).
The operator is not in the Parameter Setup Mode.
• Verify the digital operator mode, Drive or Programming mode?
• Switch to the Programming Mode. Refer to The Drive and Programming Modes on
page 63.
The wrong password was entered.
• If the password entered to A1-04 does not match the password saved to A1-05, then drive
settings cannot be changed.
• Reset the password.
If the password is unknown:
• Scroll to A1-04. Press and press at the same time. Parameter A1-05 will
appear.
• Set a new password to parameter A1-05.
Undervoltage was detected.
• Check the drive main input voltage by looking at the DC bus voltage (U1-07).
• Check all main circuit wiring.
STOP
TOEP_C710616_38H_7_0.book 129 ページ ２０１５年１１月１１日 水曜日 午後７時４０分
To Next Page
Loading...
