Technical data

Chapter 5 – Fault Tracing
5-2 RS485 and RS232 Adapter Installation and Start-up Guide
Take advantage of the group 52 diagnostic counters. If necessary, use
parameter 9902
APPLIC MACRO to restore the parameter settings of the
ACS 160 to their default values and then reconfigure the drive.
Receive and Transmit LEDs are blinking, but the
responses ACS 160 sends are not intelligible
• DIP switch S2 and parameter 5202 COMM SPEED do not
have the same speed setting.
• Ambient noise level is too high.
The control panel is not operating and panel display blinks
• Panel is not properly connected to the drive.
• The drive is using different communication settings from
the panel: Connect the panel and then turn power off and
then on again.
Group 52 is not visible on the control panel
• Make full parameter set visible by selecting menu function
-LG- and pressing and holding ENTER button down until
display blinks.