Critical

F14

BuckBoost is out of balance.

5 Devices that report this code

What does the F14 error code mean?

F14 on a Felicity unit indicates: BuckBoost is out of balance.. It is a critical-severity event that can appear on 5 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 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

F14 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.

Apollo-5KLP1G01-MXEnergy storage system↗ view on device
F14BuckBoost is out of balance.Critical
Description

BuckBoost converter is out of balance.

Cause

BuckBoost is out of balance.

Recommended fix

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

Source:Apollo-5KLP1G01-All-in-one-ESS-User-Guide.pdf · page 43
IVEM 6048Inverter↗ view on device
F14Short circuited happen at PV port.Fault
Description

Fault: Short circuited happen at PV port.

Cause

Wiring issue causing short at PV port.

Recommended fix

Check if wiring is connected well.

Source:felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37
IVEM8048-IIInverter↗ view on device
F14Short circuited happen at PV port.Fault
Description

Fault: Short circuited happen at PV port.

Cause

Short circuit detected at the PV input port or wiring.

Recommended fix

Check if wiring is connected well.

Source:IVEM8K-12K-II_compressed.pdf · page 43
IVEM8048-LVInverter↗ view on device
F14Short circuited happen at PV port.Fault
Description

Short circuited happen at PV port.

Cause

Wiring not connected well.

Recommended fix

Check if wiring is connected well.

Source:FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38
T-REX-50KHP3G01Inverter↗ view on device
F14Battery 1 software overvoltage fault.Fault
Description

Battery 1 voltage is too high, the battery should be discharged.

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

Frequently asked about F14

What is the F14 error on Felicity?
F14 on a Felicity unit means: BuckBoost is out of balance.. It can appear on 5 different devices in the Felicity catalog. The cause and recommended fix are listed for each device on this page.
Can I clear the F14 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 F14 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.