Installation guide, Troubleshooting, H84xx – Veris Industries H84xx Install User Manual

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Z204046-0J

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H84xx

INSTALLATION GUIDE

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.

Go to DIAGN>HELTH (MAINT). The error messages

describe the problem. See the Diagnostics section

(page 16) for details.

The display is blank after applying

control power to the meter.

The meter is not receiving adequate power.

Verify that the meter control power (terminals 1 and 2)

are receiving the necessary voltage. See the Control

Power wiring diagram (page 9).

Verify that the LED 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, nominal

frequency, etc.). See the Setup section (page 13).

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.

Check shorting terminals, if used. See the Wiring

Diagrams (pages 6-8) 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.