Status LED

Status LED table

The LEDs on the front panel change to indicate the current status.

Status

Front LED action

Description

Deep Standby Mode

LED M4 ZONE OFF

(off)

Power is off, or this unit is in Deep Standby Mode. link

Quick Start Mode

LED M4 ZONE WH so

(dimmed solid)

This unit is in Quick Start Mode (Connected to your network). link

LED M4 ZONE OR so

(dimmed solid)

This unit is in Quick Start Mode (Not connected to your network). link

Power on

LED M4 ZONE WH bl

(blink)

This unit is starting up or connecting to the network.

LED M4 ZONE WH so

(solid)

This unit is connected to the network.

LED M4 ZONE OR so

(solid)

This unit is unable to connect to the network. Try to connect this unit again.

Volume setting

LED M4 ZONE WH bl

(quick blink)

Volume is being adjusted.

LED M4 ZONE WH bl

(slow blink)

This unit is muted.

Firmware update

LED M4 ZONE OR bl

(blink)

Firmware is being updated.

LED M4 ZONE RE bl

(slow blink (Not fade))

There is a firmware error. Check your Internet connection quality, relaunch the app, then try to update the firmware again.

Error

LED M4 ZONE RE so

(solid)

There was a setup error. Check your usage environment, then follow the correct procedure to try setup again. If the error occurs again, restore factory settings and try setup again. link

LED M4 ZONE RE bl

(fast blink)

There is a hardware error. Unplug the power cord, wait about 30 seconds, then plug the power cord back in.

Reset

LED M4 ZONE OR bl

(fast blink)

Factory settings have been restored.

Power Amplifier Mode

LED M4 protection OR bl

(3 blinks)

The unit was started in Power Amplifier Mode.

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