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8.0 Troubleshooting
The Class 1000 kWh/Demand meter is calibrated and tested at the factory before
being packaged and shipped. If installed properly and in accordance with these
installation instructions, your Class 1000 meter should provide years of trouble-
free service. If the meter should not function, the following guide will assist in
troubleshooting the installation.
Problem Procedure to follow
1. Display window is blank. A. Check wiring to voltage terminals.
B. Check circuit breakers or fuses.
C. Verify that the power is turned on.
D. Test source for correct voltage.
2. Display shows incomplete fi gures A. Press RESET button located on
or numbers other than zeros when door inside meter enclosure (5 sec.)
power is turned on.
3. Display reading all zeros (00000000) A. Determine if load is suffi cient to
update the display.
B. Check RESET button to ensure
there are no wires or other objects
pressing against it when the door
is closed.
C. Check the current sensors for
installation and polarity.
D. Be sure the current and voltage
inputs have the proper phase
relationship.
E. Check wiring to voltage terminals.
F. Check circuit breaker or fuses.
G. Test source for correct voltage.
4. Display reads only a fraction of A. Check the supply voltage to be sure
consumption that it is on continuously 24 hrs/day.
B. Check the current sensors for
installation and polarity.
C. Check sensor wiring to the terminal
strip in meter (color coding B & W.)
NOTE: If you still need assistance after performing the above troubleshooting
procedures, do not remove the unit. Before removing the unit, contact E-Mon’s
technical support department at (800) 334-3666, our support experts will assist
you in detailed troubleshooting of the meter installation and assist you in getting
the unit operating correctly.
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