Specifications

MultiFlex I/O Board Pulse Limits - Standalone Version Only Troubleshooting • 23
14 Troubleshooting
Problem Cause Solution
The maintenance wrench icon
appears in the Energy Meter
display.
There is a problem with the inputs
to the Energy Meter.
See the Alert sub-menu or the Diagnostic Alert Modbus Register
146
The display is blank after apply-
ing control power to the meter.
The meter is not receiving
adequate power.
Verify that the meter control power is receiving the required volt-
age. Verify that the heart icon is blinking. Check the fuse.
The data displayed is inaccu-
rate.
Incorrect setup values Verify the values entered for Energy Meter setup parameters (CT
and PT ratings, system type, etc.). See the Quick Setup Instruc-
tions section.
Incorrect voltage inputs Check Energy Meter voltage input terminals to verify adequate
voltage.
Energy Meter is wired improperly. Check all CTs and PTs to verify correct connection to the same
service, PT polarity, and adequate powering. See the Wiring sec-
tion for more information.
Cannot communicate with
Energy Meter from a remote
personal computer.
Energy Meter address is incorrect. Verify that the meter is correctly addressed. See the User Inter-
face for Setup section.
Energy Meter baud rate is incor-
rect.
Verify that the baud rate of the meter matches that of all other
devices on its communications link. See the Quick Setup Instruc-
tions section.
Communications lines are improp-
erly connected.
Verify the Energy Meter communications connections (see Net-
work Setup and Commissioning).
Verify the terminating resistors are properly installed on both ends
of a chain of units. Units in the middle of a chain should not have
a terminator. Verify the shield ground is connected between all
units.
Table 14-1 - Troubleshooting