What is the FAULT_LED error on Felicity?

FAULT_LED on a Felicity unit means: Fault LED indicator (solid on) - system fault event.. It can appear on 1 device in the Felicity catalog. The cause and recommended fix are listed for each device on this page.

Can I clear the FAULT_LED code myself?

It depends on the severity. Warning-level codes can usually be cleared by following the recommended fix. Fault and critical codes often require checking the source condition first; if the code returns immediately after restart, escalate to authorized service.

Is the FAULT_LED fix the same on every device?

The cause is consistent — it's the same protection logic. The exact fix wording can differ per device because each official manual addresses model-specific context (input ranges, parallel-config notes, firmware revisions). Use the per-device section that matches your unit.

Where does this information come from?

Every entry is sourced directly from the official Felicity user manual for the affected device. The "Source" line at the bottom of each device's section shows the manual filename and page number.

Fault

FAULT_LED

Fault LED indicator (solid on) - system fault event.

1 Devices that report this code

What does the FAULT_LED error code mean?

FAULT_LED on a Felicity unit indicates: Fault LED indicator (solid on) - system fault event.. It is a fault-severity event that can appear on 1 device in the Felicity catalog. The same code may have slightly different recommended fixes depending on the device — the per-device sections below show the exact wording from each device's official manual.

This is a fault-severity code

Fault codes stop normal operation but the unit may attempt to recover. Common causes are out-of-range conditions (voltage, current, temperature) that require checking inputs and outputs before restart.

What triggers this code

FAULT_LED is triggered when the unit's protection or monitoring logic detects the specific condition described above. The exact trigger depends on the device — see the per-device sections for the official manual entry for each.

LUX-S-1600LG01Battery↗ view on device

FAULT_LEDFault LED indicator (solid on) - system fault event.Fault

Description

If the system is in a fault event, the Fault LED light will always be on (solid). Indicates a fault condition; check LCD for the numeric fault code.

Recommended fix

Read fault code/icon/ERROR shown on LCD and follow remedy in Fault Code Table; restart unit and return to repair center if it persists.

Source:LUX-S-1600LG01.pdf · page 16

Frequently asked about FAULT_LED

What is the FAULT_LED error on Felicity?: FAULT_LED on a Felicity unit means: Fault LED indicator (solid on) - system fault event.. It can appear on 1 device in the Felicity catalog. The cause and recommended fix are listed for each device on this page.
Can I clear the FAULT_LED code myself?: It depends on the severity. Warning-level codes can usually be cleared by following the recommended fix. Fault and critical codes often require checking the source condition first; if the code returns immediately after restart, escalate to authorized service.
Is the FAULT_LED fix the same on every device?: The cause is consistent — it's the same protection logic. The exact fix wording can differ per device because each official manual addresses model-specific context (input ranges, parallel-config notes, firmware revisions). Use the per-device section that matches your unit.
Where does this information come from?: Every entry is sourced directly from the official Felicity user manual for the affected device. The "Source" line at the bottom of each device's section shows the manual filename and page number.

Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.