Issue

Possible Cause

Troubleshooting Steps

Fan changes speed each time the power button is pressed

Normal speed cycling operation

Pressing the power button cycles the fan through multiple speed settings before turning the unit off. This is expected behavior.

Fan starts at a lower airflow setting

Normal startup operation

The fan may begin operation at a lower airflow setting when first powered on. Continue pressing the power button to increase speed if desired.

LED flashes change during operation

Normal LED speed indication

LED flashes may change depending on the selected speed setting. This is standard operation.

Holding the power button turns the unit off

Normal shutdown behavior

Pressing and holding the power button may turn the unit off from any speed setting. This is expected operation.

LED flashes red continuously

Low battery indication

A flashing red LED typically indicates the battery is low and the fan requires charging.

Fan requires charging after cordless use

Normal battery usage behavior

Extended cordless operation will gradually reduce battery power. Recharge the unit using the appropriate charging cable.

Fan operates while plugged in

Normal charging and operating condition

Both battery-powered and plugged-in operation are normal usage conditions for the GO4 and GO4C.

LED changes color while charging

Normal charging indication

The LED indicator may display different lighting behaviors depending on battery charge level during charging.

LED fades red while charging

Lower battery charge level

A fading red LED during charging may indicate the battery is at a lower charge level. Allow charging to continue.

LED fades green while charging

Battery charge increasing

A fading green LED may indicate the battery is charging normally and approaching a higher charge level.

LED remains solid green

Battery fully charged

A solid green LED typically indicates the battery has reached full charge.

Charging takes several hours

Normal charging duration

Charging from a fully depleted battery may require several hours under normal conditions.

Unit will not power on

Possible power or battery issue

1. Charge the fan fully using the appropriate charger.
2. Verify the charging cable is securely connected.
3. Press the power button firmly once.
 4. Retry operation after charging.

Fan will not charge

Possible charging issue

1. Confirm the charging cable is connected securely.
2. Try a different power source.
3. Allow the unit to charge for several hours.
 4. Verify the LED indicator responds during charging.

Fan does not operate at any speed

Possible operational issue

1. Charge the battery fully.
2. Press the power button repeatedly to cycle through all speeds.
3. Retry operation while plugged in.
 4. If the issue continues, contact Customer Support.