Troubleshooting Without Fault Display; Troubleshooting Without Fault Display; Cannot Change Parameter Settings - YASKAWA CIMR-JC4A0002BAA Quick Start Manual

5.8

Troubleshooting without Fault Display

This section describes troubleshooting problems that do not trip an alarm or fault.
u

Cannot Change Parameter Settings

Cause
The drive is running the motor (i.e., the
Run command is present).
The Access Level is set to restrict access
to parameter settings.
The operator is not in the Parameter Setup
Mode (the LED screen will display
"PAr").
The wrong password was entered.
Undervoltage was detected.
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide

5.8 Troubleshooting without Fault Display

• Stop the drive and switch over to the Programming Mode.
• Most parameters cannot be edited during run.
• Set the Access Level to allow parameters to be edited (A1-01 = 2).
• See what mode the LED parameter is current set for.
• Parameters cannot be edited when in the Setup Mode ("STUP"). Switch
modes so that "PAr" appears on the screen.
• 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 you cannot remember the password:
•
Display parameter A1-04. Press the
at the same time. Parameter A1-05 will appear.
• Set a new password to parameter A1-05.
• Check the drive input power voltage by looking at the DC bus voltage
(U1-07).
• Check all main circuit wiring.
http://nicontrols.com
Possible Solutions
STOP
button while pressing
5
149