What does it mean when the battery LED is blinking on my Siel SAFEPOWER S 40kVA UPS as a battery low pre-warning?
- WWayne SmithAug 5, 2025
When the Siel UPS provides a battery low pre-warning, the Battery LED will blink once per second.
What does it mean when the battery LED is blinking on my Siel SAFEPOWER S 40kVA UPS as a battery low pre-warning?
When the Siel UPS provides a battery low pre-warning, the Battery LED will blink once per second.
What does it mean when my Siel SAFEPOWER S 40kVA UPS indicates a Bypass Site Wiring Fault?
If the Siel UPS detects a Bypass Site Wiring Fault, the Fault LED will blink once per second.
What does it mean when my Siel UPS indicates an abnormal mains frequency?
If the Siel UPS detects an abnormal mains frequency, the Battery LED will be lit once per 2 seconds.
What does it mean when the Fault LED is blinking once per 2 seconds on my Siel UPS?
If the Siel UPS experiences an internal communication error, the Fault LED will blink once per 2 seconds.
What does it mean when the INV LED is blinking once per 2 seconds on my parallel Siel SAFEPOWER S 40kVA?
If the Siel UPS experiences a parallel overload, the INV LED will blink once per 2 seconds.
What does it mean if my Siel SAFEPOWER S 40kVA UPS Bypass is unable to trace?
If the Bypass is unable to trace, the BPS LED will be blinking.
What does it mean when my Siel SAFEPOWER S 40kVA shows a CAN communication fault?
If the Siel UPS experiences a CAN communication fault, the Fault LED will light twice per second.
Essential safety precautions for operating the UPS.
Requirements for external circuit breakers and protection against over-current.
Detailed steps for connecting power cables to the UPS terminal block.
Instructions for connecting the battery system to the UPS, including diagrams.
Procedures for installing multiple UPS units in parallel for increased capacity or reliability.
Procedures for powering the UPS on and off, including restart.
Steps to safely shut down the UPS and the connected load.
Configuration steps required for setting up multiple UPS units in a parallel system.
Configuration of various UPS parameters via the LCD panel.
Setting the UPS operation mode (ECO, PAL, NOR) via the LCD panel.
Steps to commission a parallel UPS system, including checks and settings.
Lists event and alarm messages for troubleshooting UPS problems.




