Warning: Disconnect power before servicing.

Daikin Mini-Split Blinking Orange Light: Timer and Fault Indicator

Quick Answer

The orange LED on Daikin mini-splits is the timer/fault indicator. Steady orange = timer is set and counting down (normal, not an error). Blinking orange in counted groups = real error code: count the blinks between pauses to get the fault number. On units with both green and orange LEDs blinking simultaneously, this is a fault condition - the combination matters.

The orange (amber) LED on Daikin indoor units is the timer/fault indicator. A steady orange light means the timer is set and counting down - this is normal and not an error. A blinking orange light in counted groups (blink-blink-pause-blink-blink-pause) indicates an error code. Count the number of blinks between each pause to determine the error number. On Daikin models with both green and orange LEDs, the combination matters: green only = operation normal, orange only = timer set, both blinking = fault condition. The most common fault that shows as blinking orange is a communication error between indoor and outdoor units.

DaikinMinisplitSeverity: medium85% DIY Success
Time to Fix
5–60 min
Difficulty
beginner
Parts Cost
Tools Needed
Phone camera (to record blink pattern), Stopwatch

What Does the ORANGE-LIGHT Code Mean?

Steady orange = timer is set (normal). Blinking orange in counted groups = error code. Count blinks between pauses to identify the error number.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Component failure in the Daikin minisplit40%
Sensor or thermostat out of operating range24%
Control board fault14%
Power or electrical supply issue12%
Mechanical wear requiring inspection10%

Symptoms You May Notice

  • Orange LED blinking on indoor unit
  • Unit may or may not be running
  • Blinking pattern has distinct groups
  • Timer icon may appear on display
  • Both green and orange LEDs blinking simultaneously

Can you reset a Daikin minisplit to clear the ORANGE-LIGHT code?

Turn breaker off 30 seconds. Press Cancel on remote for 5 seconds after power restore. Also press Timer button to clear any residual timer settings.

Tools Required for Diagnosis

Phone camera (to record blink pattern)StopwatchRemote control

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Check the remote control display for a timer icon

Check the remote control display for a timer icon. If the timer is set, the orange light is normal. Press the Timer button on the remote to cancel any set timers.

2

Count the orange LED blink pattern

3

Try a breaker reset (off 30 seconds, on, wait 3 minutes)

Frequently Asked Questions

How do I turn off the orange light on my Daikin?
If it is the timer, press the Timer button on the remote to cancel. If it is an error code, a breaker reset may clear it temporarily. To permanently resolve, fix the underlying fault indicated by the blink pattern.
Orange and green both blinking. What does that mean?
Both LEDs blinking simultaneously on Daikin typically indicates a fault condition more severe than a single-LED indication. This often points to a communication fault between indoor and outdoor units. Enter diagnostic mode for the specific code.
My orange light blinks once every second continuously. Error or timer?
A single continuous blink at 1Hz (once per second) without distinct groups or pauses is usually the timer indicator. Check the remote for a timer setting. If no timer is set and the pattern is truly continuous without groups, it may be a filter cleaning reminder on some models.

Related Daikin Minisplit Error Codes

Models Known to Experience ORANGE-LIGHT Errors

This repair applies to most Daikin minisplits with this error code. Common model numbers include:

FTXS09LVJU, FTXS12LVJU, FTXM15QVJU, FTXM18QVJU

Last verified for technical accuracy on March 15, 2026