Daikin Air conditioner E8 error

ErrorE8

E8 is listed in Daikin's official, model-scoped air-conditioner fault table as input overcurrent.

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Reference source listed as Daikin official FTX25KMV1B / FTX35KMV1B operation manual 3P393186-11R.

Stop and make safe

input overcurrent

Stop if there is smoke, a burning smell, damaged wiring, repeated breaker operation, or refrigerant leakage. Do not probe live wiring, inverter terminals, or control boards. Record the code, switch the air conditioner off, and contact the Daikin service shop; the manual says not to repair, dismantle, reinstall, or modify the unit yourself.

Typical symptoms

01E8 is shown on the Daikin air conditioner display, indicator, or connected app

02The published condition is: input overcurrent

03The affected motor, drive, or movement function is stopped or limited while E8 is active

04The important observation is when E8 appears and whether the exact published action changes that condition

Fault area and what the code does not prove

Separate the manufacturer-defined condition from components that still need exact-model diagnosis.

01Manufacturer-defined fault area — input overcurrent

02E8 identifies a drive condition but does not alone prove the motor, inverter, belt, bearing, rotor, wiring, or control failed

03Model boundary — apply this interpretation only to Daikin room air-conditioner models FTX25KMV1B and FTX35KMV1B

Safe next steps

1
Confirm the exact Daikin Air conditioner E8 model and displayed code before taking action.
2
Keep the appliance in a safe state and use only the external checks named in the official source.
3
If the condition remains, stop and arrange qualified service; do not open panels or bypass a safety device.

Step-by-step diagnosis

1
Photograph the complete E8 display before changing controls or removing power
2
Confirm that the full model number is covered by this scope: Daikin room air-conditioner models FTX25KMV1B and FTX35KMV1B
3
Confirm that the observed condition matches the published meaning: input overcurrent
4
Published check — Do not probe live wiring, inverter terminals, or control boards
5
Published check — Record the code, switch the air conditioner off, and contact the Daikin service shop
6
Published check — the manual says not to repair, dismantle, reinstall, or modify the unit yourself
7
Stop at the published service boundary after these actions
8
do not add a restart or test cycle that Daikin does not specify for E8
9
Published check — Give service the E8 photo, full model and serial number, when it appeared, and the result of every published external check
10
Stop at the published service boundary after these actions; do not add a restart or test cycle that Daikin does not specify for E8

Service-safe actions

1
Do not probe live wiring, inverter terminals, or control boards
2
Record the code, switch the air conditioner off, and contact the Daikin service shop
3
the manual says not to repair, dismantle, reinstall, or modify the unit yourself
4
Give service the E8 photo, full model and serial number, when it appeared, and the result of every published external check

Repair planning

€Cost for the first check
E8 cost planning: The published load, obstruction, or restart check costs €0. A drive-system diagnosis is generally planned within €140–€320 before parts, with the component and labor quoted separately.

⏱Time for the first check
E8 time plan: 10–20 minutes for the permitted E8 external checks and one controlled test; professional drive diagnosis commonly takes 45–90 minutes.

🔧Tools
Phone photo of E8, Full model and serial number, Flashlight for an external stopped-appliance inspection only, No live motor or inverter test equipment

▣Parts or consumables
E8 parts decision: E8 identifies input overcurrent. It does not alone confirm a motor, inverter, belt, bearing, rotor, wiring harness, or control board; the exact failed item must be diagnosed on the listed model family.

What not to do

Wait for all movement to stop
Do not rotate a powered mechanism, bypass an interlock, test inverter output, or order a motor from E8 alone
Do not run an extra test cycle after the source tells you to stop or arrange service for E8

Preventive maintenance

1
Follow the exact Daikin maintenance schedule for the air conditioner and keep the model, serial number, and service history available
2
If E8 begins recurring despite the documented maintenance, stop repeating the same action and request exact-model diagnosis

Frequently asked questions

What exactly does E8 identify?

Daikin identifies it as input overcurrent.

Which action is actually supported for E8?

Do not probe live wiring, inverter terminals, or control boards; Record the code, switch the air conditioner off, and contact the Daikin service shop; the manual says not to repair, dismantle, reinstall, or modify the unit yourself; Give service the E8 photo, full model and serial number, when it appeared, and the result of every published external check.

Can I run another test after E8?

Not unless the official procedure above explicitly includes it. Complete the safe external actions, then keep the appliance stopped at the service boundary.

Does E8 prove which part failed?

No. It identifies “input overcurrent”; parts are selected only after the exact model and failed function are confirmed.

What information should accompany a service request?

The E8 photo, full model and serial number, the operating stage when it appeared, and the result of each published check.

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