Fault

F32

Over temperature happen at LLC TX.

6 Devices that report this code

What does the F32 error code mean?

F32 on a Felicity unit indicates: Over temperature happen at LLC TX.. It is a fault-severity event that can appear on 6 different devices 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

F32 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.

IVEM 6048Inverter↗ view on device
F32Over temperature happen at LLC TX.Fault
Description

Fault: Over temperature happen at LLC TX.

Cause

The temperature of internal DC/DC TX is over the limitation.

Recommended fix

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 38
IVEM8048-IIInverter↗ view on device
F32Over temperature happen at LLC TX.Fault
Description

Fault: Over temperature happen at LLC TX.

Cause

The temperature of internal DC/DC TX is over the limitation.

Recommended fix

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 44
IVEM8048-LVInverter↗ view on device
F32Over temperature happen at LLC TX.Fault
Description

Over temperature happen at LLC TX.

Cause

The temperature of internal DC/DC TX is over the limitation.

Recommended fix

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39
T-REX-10KHP3G01Inverter↗ view on device
F32Bus voltage unbalance.Fault
Description

DC bus voltage unbalance detected.

Recommended fix

Restart the unit, if the error persists, contact the repair center.

Source:T-REX-10KHP3G01-Inverter-User-Guide.pdf · page 29
T-REX-10KLP3G01Inverter↗ view on device
F32Bus voltage unbalance.Fault
Description

Bus voltage unbalance.

Recommended fix

Restart the unit, if the error persists, contact the repair center.

Source:T-REX-10KLP3G01-Inverter-User-Guide.pdf · page 28
T-REX-50KHP3G01Inverter↗ view on device
F32Battery 1 SOC Low fault.Fault
Description

Battery 1 SOC is too low, the battery should be charged.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 46

Frequently asked about F32

What is the F32 error on Felicity?
F32 on a Felicity unit means: Over temperature happen at LLC TX.. It can appear on 6 different devices in the Felicity catalog. The cause and recommended fix are listed for each device on this page.
Can I clear the F32 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 F32 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.