Critical

PROT_BAT_OVERTEMP

Battery Over Temperature Protection.

1 Devices that report this code

What does the PROT_BAT_OVERTEMP error code mean?

PROT_BAT_OVERTEMP on a Felicity unit indicates: Battery Over Temperature Protection.. It is a critical-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 critical-severity code

Critical codes trip the unit offline immediately. They typically indicate hardware failure (short-circuit, IGBT, BMS) or an unsafe operating condition. Do not bypass the fault — note the code and contact authorized service.

What triggers this code

PROT_BAT_OVERTEMP 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-X-96050HG01Battery↗ view on device
PROT_BAT_OVERTEMPBattery Over Temperature Protection.Critical
Description

Battery over-temperature protection trip.

Cause

Cell or pack temperature exceeded safe operating limit.

Recommended fix

Stop charging/discharging, allow battery to cool, ensure ambient is within Charge 0~+55C / Discharge -20C~+55C.

Source:LUX-X-96050HG01-Lithium-Battery-User-Guide.pdf · page 7

Frequently asked about PROT_BAT_OVERTEMP

What is the PROT_BAT_OVERTEMP error on Felicity?
PROT_BAT_OVERTEMP on a Felicity unit means: Battery Over Temperature Protection.. 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 PROT_BAT_OVERTEMP 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 PROT_BAT_OVERTEMP 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.