What is the PROT-INV-OVERTEMP error on Felicity?

PROT-INV-OVERTEMP on a Felicity unit means: Inverter interface 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-INV-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-INV-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.

Fault

PROT-INV-OVERTEMP

Inverter interface Over Temperature protection.

1 Devices that report this code

What does the PROT-INV-OVERTEMP error code mean?

PROT-INV-OVERTEMP on a Felicity unit indicates: Inverter interface Over Temperature protection.. 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

PROT-INV-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.

LPBA48100-OLBattery↗ view on device

PROT-INV-OVERTEMPInverter interface Over Temperature protection.Fault

Description

Listed under 7.1 Battery System Features as part of the inverter-interface protection set: protects against over-temperature conditions at the inverter interface.

Source:felicity-5.1-kwh-user-manual.pdf · page 4

Frequently asked about PROT-INV-OVERTEMP

What is the PROT-INV-OVERTEMP error on Felicity?: PROT-INV-OVERTEMP on a Felicity unit means: Inverter interface 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-INV-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-INV-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.