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Daikin · FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation

Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation E8 Error Fix: Inverter Input Overcurrent

Inverter input overcurrent detected — excessive current draw on the inverter power input circuit, indicating a possible power supply issue or inverter fault

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error E8 on the Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation means: Inverter Input Overcurrent. The top-ranked community fix is “Diagnose and Repair Inverter Board or Power Supply Issues” (hard difficulty, ~90 min, DIY cost: $20-$40). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · mini split

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many mini split repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $250-$400.

Other Daikin Models with Error E8

4MXS36RMVJU 36,000 BTU Multi-Zone Mini Split System with Heat Pump and WiFi Control

mini_split · 2 fixes

RXB12AXVJU 12,000 BTU Outdoor Mini Split Heat Pump Unit with Durable Compressor

mini_split · 2 fixes

Other Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation Error Codes

External Protection Device Activated

2 fixes

Indoor Unit PCB Defect

2 fixes

Drain Level System Malfunction

2 fixes

Anti-Freeze Protection Activated

2 fixes

Indoor Fan Motor Malfunction

2 fixes

Swing Flap Louver Motor Malfunction

2 fixes

Air Filter Clogging Detected

2 fixes

Liquid Pipe Temperature Sensor Malfunction

2 fixes

People Also Ask About Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation Error E8

What does error code E8 mean on a Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation?

Error code E8 on the Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation means: Inverter Input Overcurrent. Inverter input overcurrent detected — excessive current draw on the inverter power input circuit, indicating a possible power supply issue or inverter fault

How do I fix error code E8 on my Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation?

The most successful fix is "Diagnose and Repair Inverter Board or Power Supply Issues" (hard difficulty, ~90 minutes). Estimated DIY cost: $20-$40. HomeMD has 2 community-ranked fixes for this error.

Is error code E8 on a Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation error E8 myself?

Yes — the top-ranked community fix ("Diagnose and Repair Inverter Board or Power Supply Issues") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Multimeter, ESD wrist strap.

How much does it cost to repair Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation error E8?

DIY cost: $20-$40. Professional repair typically costs $250-$400. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation have?

The Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation has 8 other known error codes, including: A0 (External Protection Device Activated), A1 (Indoor Unit PCB Defect), A3 (Drain Level System Malfunction), A5 (Anti-Freeze Protection Activated), A6 (Indoor Fan Motor Malfunction), and 3 more.

Which other Daikin models have the E8 error?

Error code E8 also appears on 2 other Daikin models: 4MXS36RMVJU 36,000 BTU Multi-Zone Mini Split System with Heat Pump and WiFi Control, RXB12AXVJU 12,000 BTU Outdoor Mini Split Heat Pump Unit with Durable Compressor. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation have?

The Daikin FTXS12LVJU 12,000 BTU Wall Mount Mini Split Indoor Unit with Inverter and Quiet Operation has 8 other known error codes:

A0 — External Protection Device Activated (2 fixes)
A1 — Indoor Unit PCB Defect (2 fixes)
A3 — Drain Level System Malfunction (2 fixes)
A5 — Anti-Freeze Protection Activated (2 fixes)
A6 — Indoor Fan Motor Malfunction (2 fixes)
A7 — Swing Flap Louver Motor Malfunction (2 fixes)
AH — Air Filter Clogging Detected (2 fixes)
C4 — Liquid Pipe Temperature Sensor Malfunction (2 fixes)

Which other Daikin models have the E8 error?

Error code E8 also appears on 2 other Daikin models:

4MXS36RMVJU 36,000 BTU Multi-Zone Mini Split System with Heat Pump and WiFi Control (mini split) · 2 fixes
RXB12AXVJU 12,000 BTU Outdoor Mini Split Heat Pump Unit with Durable Compressor (mini split) · 2 fixes

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