Manual

Rockwell Automation Publication 1425-UM001A-EN-P - January 2012 31
Hardware Installation Chapter 2
Status Indicator Description
The PowerMonitor W250 status indicator indicates the unit status as follows.
Figure 23 - PowerMonitor W250 Status Indicator
Table 10 - Status Indicator Description
Indicator Status Description
1 blink, wait 2 seconds Normal operation and direct serial communication mode from firmware revision 2.02.
2 blinks, wait 1 second Radio module communication error: PowerMonitor W250 unit is unable to send data.
3 blinks, wait 1 second Frequency out of range of 45…66 Hz.
4 blinks, wait 1 second Communication and frequency error together.
5 blinks, wait 1 second Device Error: Indicates a firmware checksum error. To recover, try a reset-meter
command followed by an OFF/ON sequence. If this does not reset this error, the
calibration memory is corrupt and the device needs to be returned to Rockwell
Automation for repair.
6 blinks, wait 1 second Direct serial communication mode (factory use only) until firmware revision 2.01.
7 blinks, wait 1 second Internal hardware failure. Please contact Rockwell Automation for service.
Status Indicator