Troubleshooting; Constants Fail To Set - Omron SYSDRIVE 3G3EV SERIES User Manual

5-2 Troubleshooting

If the Inverter or motor does not operate properly when the system is
started, constant settings or wiring may be incorrect. In this case, take the
appropriate action as described below. (If an error code is displayed, refer
to 5-1 Protective and Diagnostic Functions .)

5-2-1 Constants Fail to Set

is Displayed in the Data Display Section.
If an attempt is made to set a value outside the allowable range,
data display section. The value is canceled and the data display section redisplays the
original value. For example, this error occurs when:
An attempt is made to set a reference frequency value higher than the maximum
frequency value.
An attempt is made to set a maximum voltage frequency (basic frequency) value
higher than the maximum frequency value.
Check the setting range, then set the constant correctly.
The Display Does Not Change when the Increment or
Decrement Key is Pressed.
Value "0" is set in n01 (constant write-inhibit selection)
Set "1" in n01.
The Digital Operator is not connected properly.
Turn the power off. After all indicators on the front panel go off, remove the Digital
Operator, then reinstall it.
5-2-2 Master Unit Displays a Message Indicating that
CPU is on Hold
If the END RS indicator on the Master Unit is lit, no end unit or more than one terminator
has been set. Set only the last Slave Unit (device) as a terminator. After the terminator
is set correctly, turn the power off, then on.
Wiring is incorrect or broken.
Check the SYSMAC BUS two-conductor cables for incorrect wiring or for breakage.
After wiring is corrected, turn the power off, then on.
Chapter 5
is displayed in the