What is the 0x10E1 error on Felicity?

0x10E1 on a Felicity unit means: Battery cluster cell excessive voltage difference alarm (level 1).. 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 0x10E1 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 0x10E1 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.

What does 0x10E1 mean on FLS-ES232LC-S?

Battery cluster cell excessive voltage difference alarm (level 1). Cause: Cell voltage spread > 500 mV. Recommended fix: Send faults externally. Recovers when < 300 mV.

Warning

0x10E1

Battery cluster cell excessive voltage difference alarm (level 1).

1 Devices that report this code

What does the 0x10E1 error code mean?

0x10E1 on a Felicity unit indicates: Battery cluster cell excessive voltage difference alarm (level 1).. It is a warning-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 warning-level code

Warning codes do not stop the unit. They flag a condition that should be addressed before it escalates — usually a near-threshold reading or a configuration check.

What triggers this code

0x10E1 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.

FLS-ES232LC-SEnergy storage system↗ view on device

0x10E1Battery cluster cell excessive voltage difference alarm (level 1).Warning— level 1

Cause

Cell voltage spread > 500 mV.

Recommended fix

Send faults externally. Recovers when < 300 mV.

Source:FLS-ES232LC-S.pdf

Frequently asked about 0x10E1

What is the 0x10E1 error on Felicity?: 0x10E1 on a Felicity unit means: Battery cluster cell excessive voltage difference alarm (level 1).. 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 0x10E1 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 0x10E1 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.