CLASS 2000 METER
33
62-0389-03
10.1 Line Voltage Diagnostics
E-Mon meters detect the direction of rotation of three-phase power. The proper phase
sequence must be A-B-C.
The AC power input must be in proper phase sequence A, B, C. If incorrect, the display
will read “Check Install.” See Figure 23.
Fig. 27. Check Install Error.
STEP 1: VERIFY & RESOLVE A PHASE SEQUENCE ERROR
1. Have the electrician unplug or disconnect all three current sensors at the current
sensor input.
2. If the meter display “Check Install” Error without any sensors connected the utility
power supply connection is out of expected sequence.
3. Disconnect the power to the meter line voltage inputs. Swap A & C line inputs. Swap
A & C line inputs. Power up the meter and verify there is not a “Check Install” error on
the LCD.
NOTE: If line voltage phase sequence was corrected - sensors must be adjusted
accordingly.