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Power Troubleshooting
How to Detect the Fault? | Fault Description | Troubleshooting Steps |
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There is no blinking of the power red LED
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When the meter is connected to the power source, it does not receive any power
| Make sure the positive wire is connected to pin 7 and the negative wire is connected to pin 8.  Image Added
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Make sure the power supply is
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A communication issue with RS485 (AC connected directly to a computer)
Verify A and B connections are not upside down
Verify the cable is ok and not broken at some point or too long (up to 15 meters)
Verify baud rate is 19200 (scan with 9600 to verify it is not the issue)
No Communication to Power Center (Elara connected but AC meter display as “not connected”)
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Verify on the AC meter side the power supply is available and the LED are blinking
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.  Image Added
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Power Center Communication Troubleshooting
How to Detect the Fault? | Fault Description | Troubleshooting Steps |
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The AC meter connection state is “No Connection”
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Elara connected but the AC meter displayed “No connection”
| The AC meter's LEDs should be blinking and the power supply should be on.  Image AddedCheck that RS485 A and RS485 B cables are connected correctly (RS485 A = pin 16, RS485 B = pin 15).  Image AddedEnsure the communication cables (RS-485) is in good condition and not broken or overly long (up to 15 meters). Make sure the baud rate of the meter is 19200 and the device ID is according to your wiring diagram.  Image AddedVerify that Port 1 on the Elara is
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“host”.  Image Added
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Negative Current
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Change the faze direction according to the wiring diagram
AC Meter Displays a Wrong Voltage
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Verify the voltage L1 and Current L1 are both on L1 (same for L2 and L3)
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& Power Factor Troubleshooting
How to Detect the Fault? | Fault Description | Troubleshooting Steps |
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The Current & Power factors are negative Image Added |
A negative reading is obtained because the power source cable passes through the current ring in the wrong direction
| As shown in the picture below, make sure the phase direction is correct  Image Added
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Wrong Voltage Troubleshooting
How to Detect the Fault? | Fault Description | Troubleshooting Steps |
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The voltage reading is higher than allowed
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The phases cables of the AC ring connected to the wrong pins in the AC meter
| Verify you connect the cables from the CT ring to the AC meter according to the relevant phases. Pin 1 > Phase 1 Current
Pin 2 > Phase 2 Current
Pin 3 > Phase 3 Current
Pin 4 > Neutral  Image Added
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