AMP1
Troubleshooting
Problem
Cause
Solution
The maintenance wrench icon
appears in the power meter display.
There is a problem with the
inputs to the power meter.
• See the Alert sub-menu or the Diagnostic Alert BACnet Binary_Input
objects.
The display is blank after applying
control power to the meter.
The meter is not receiving
adequate power.
• Verify that the meter control power are receiving the required voltage.
• Verify that the heart icon is blinking.
• Check the fuse.
The data displayed is inaccurate.
Incorrect setup values.
• Verify the values entered for power meter setup parameters (CT and
PT ratings, system type, etc.). See the Setup section.
Incorrect voltage inputs.
• Check power meter voltage input terminals to verify adequate voltage.
Power 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 Diagrams section
for more information.
Cannot communicate with power meter
from a remote personal computer.
Power meter address is incorrect.
• Verify that the meter is correctly addressed (see Setup section).
Power meter baud rate is incorrect.
• Verify that the baud rate of the meter matches that of all other devices
• on its communications link (see Setup section).
Communications lines are
improperly connected.
• Verify the power meter communications connections (see the
Communications section).
• 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.
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A M P1 I NTEG R ATE D POWE R A N D E N E RGY
I N S TA L L AT I O N I N S T R U C T I O N S
For troubleshooting or service related questions, contact ABB at 800-782-8061 or at [email protected]
