PrismaSeT Active - Wireless Panel Server
Troubleshooting Voltage Presence Indicator LED Issues
Voltage Presence Indicators
Problem
None of the voltage presence indicator
LEDs are lit.
Only one voltage presence indicator
LED is lit.
Diagnostics
Source power is not applied or is not stable.
Check your installation: single phase or 3phase.
Action
Apply power or check power source.
• In a single-phase, the installation is correct. No action required.
• In a 3-phase installation, correct cable connection of both other phases.
Check cable connection on phase.
During commissioning, before connection to EcoStruxure Facility
Expert App, one of the voltage presence indicator LEDs is not lit.
The phase is lost.
The phase is not correctly connected.
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Voltage Loss Function
Voltage Loss Function
Presentation
PrismaSeT Active - Wireless Panel Server
WARNING
HAZARD OF NON-DETECTION OF VOLTAGE
• The Wireless Panel Server only gives an indication of voltage, it does not replace any appropriate rated voltages sensing devices to confirm that power is off on one or all phases.
• Before intervention on the Wireless Panel Server make sure that you follow safety regulations.
• Always use a properly rated voltage sensing device to confirm that power is off.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
The voltage loss alert function provides local and remote visibility if an electrical outage or abnormal voltage phase conditions have occurred. It makes voltage status inspection faster and diagnosis more efficient, helping to prevent equipment damage, and helping the operation team to respond without delay.
Remote Voltage Loss Alert
When voltage loss is detected by a Wireless Panel Server communicating through
LoRa and that service for EcoStruxure Facility Expert App is activated, a notification is sent on mobile devices (smartphone or tablet) for the following alerts:
• Phase loss alert.
• Power outage alert of the switchboard if the voltage presence indicator is cabled from downstream the main incomer.
• Power outage alert upstream of the switchboard if the voltage presence indicator is cabled upstream from the main incomer (with an additional protection).
NOTE: If the Wireless Panel Server is wired with 3 phases without neutral:
• If one phase loss occurs, the voltage presence indicator LED is on with no alert sent. It is due to a probability of residual voltage coming back on the phase from the loads.
• If two or three phase loss occurs, the voltage presence indicator LEDs switch off and a voltage loss alert is triggered.
Voltage Presence Indicator in Single-Phase Network
In a single-phase network, the voltage presence indicator LED operates as follows:
If...
Phase is disconnected
Neutral is disconnected
Then...
The voltage presence indicator LED is off and the Wireless Panel
Server communication through LoRa is operational.
The voltage presence indicator LED is off and the Wireless Panel
Server communication through LoRa is not operational.
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