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  5. Troubleshooting – What do the Beeps Mean?

Troubleshooting – What do the Beeps Mean?

The beeps from the EVSE can help you determine the error code causing the issue.

Once you identify what the beep means, we recommend turning the power off for a minute and turning it back on. This will reset the charger. Power on and see if the beeps resume or when the EV is connected. 

Also note there is a 15 minute timer if a car fault occurs. If after 20 minutes and power cycling again it still beeps, its likely to be a fault. 

If you think its a problem with the EV, see your Vehicle Not Charging Troubleshooting article. 

JuiceBox 32

# of Beeps (in Guide)

Error Type

Solution

0
(Continuous)

Ground Lost (Reconnect ground)

Check line and neutral connections as they may be reversed in the adapter or outlet.Unplug and reboot JuiceBox. If issue persists, please contact Support.

1
(Long)

JuiceBox System Fail (Contact support)

Unplug and reboot JuiceBox. If issue persists, please contact Support.

2

Car not obeying J1772. (Or plugged into something that’s not an EV).

Unplug and reboot JuiceBox. If issue persists, contact Support.

3

GFI Trip (Check your connection)

Unplug from car in order to reset the GFI trip count to 0.​ If issue persists, contact Support.

4

OverHeat

Move your JuiceBox to a cooler area, out of direct sunlight, or remove heating sources from area. The JuiceBox will automatically resume when it cools off.

5

Relay Stuck Closed (Disconnect immediately. Contact support)

Check your ground wire in both the panel, and at the device termination (hard-wired or outlet plugged into) to make sure all connections are tight.  If error persists after unplugging and rebooting the JuiceBox, and your car will not charge, please contact support.

JuiceBox 40 & JuiceCords

Please check your label for manufacturing date. 

Built after 1st of Feb 2017

# of Beeps (in Guide)

Error Type

Solution

0 (Continuous)

Ground Lost (Reconnect ground)

Check line and neutral connections as they may be reversed in the adapter or outlet.Unplug and reboot JuiceBox. If issue persists, please contact Support.

1 (Long)

JuiceBox System Fail (Contact support)

Unplug and reboot JuiceBox. If issue persists, please contact Support.

2

Car not obeying J1772. (Or plugged into something that’s not an EV).

Unplug and reboot JuiceBox. If issue persists, contact Support.

3

GFI Trip (Check your connection)

Unplug from car in order to reset the GFI trip count to 0.​ If issue persists, contact Support.

4

OverHeat

Move your JuiceBox to a cooler area, out of direct sunlight, or remove heating sources from area. The JuiceBox will automatically resume when it cools off.

5

Relay Stuck Closed (Disconnect immediately. Contact support)

Check your ground wire in both the panel, and at the device termination (hard-wired or outlet plugged into) to make sure all connections are tight.  If error persists after unplugging and rebooting the JuiceBox, and your car will not charge, please contact support.

Built Between 28th Aug 2015 and 1st of Feb 2017

Constant Buzzer Tone: (no interruption)  (hear it)

“No ground” error. Check that your circuit ground connection is established. On 240v single split-phase AC power (US standard), you should find approximately 120V between each line and the ground terminal of your outlet. The Ground connection is usually connected to Neutral at the circuit panel. When using a 120V (or 240V Line-to-Neutral, single phase) supply, the Line and Neutral connections may be reversed in the adapter or outlet.​ If this error persists unplug and reboot the JuiceBox. If it occurs intermittently or continues to occur, contact support.

1-Second Repeating Beep Tone: (hear it)

This error code Indicates possible failure of Ground Fault Interrupter (GFI) circuitry. ​If this error persists unplug and reboot the JuiceBox. If it occurs intermittently or continues to occur, contact support.

2-Beep Tones: (hear it)

This error code Indicates unintended closure of relay in non-charging state.​ Unplug unit from wall outlet to prevent unsafe charger state. If JuiceBox continues to signal this error, contact support.

3-Beep Tones: (hear it)

This error code happens after a Ground Fault Interrupter (GFI) trip event. The unit will remain inoperable for 15 minutes, during which time the unit will continue to produce the 3 buzz error tone every 15 seconds, and will self-reset after 15 minutes. After 4 GFI trip events and automatic resets, the unit will not self-reset, and will continue to produce the 3 buzz tones every 3 seconds until the car is unplugged. The GFI trip is likely either caused by a wiring problem in the car or J1772 charging handle, or by significant line noise.​ If you continue to have this issue please contact support for further instructions.

4-Beep Tones: (hear it)

This error code indicated that your JuiceBox is overheating. The JuiceBox is too hot (over 80C internally). Move your JuiceBox to a cooler area, out of direct sunlight, or remove heating sources from area. The JuiceBox will automatically resume when it cools off.

5- Beep Tones:

This error code indicated that the relay is stuck open. The relay should have closed for charging. The ground conductor on the circuit may also cause this error. Check your ground wire in both the panel, and at the device termination (hard-wired or outlet plugged into) to make sure all connections are tight and that the ground line is properly connected – see above for “no ground” issues.  If error persists after unplugging and rebooting the JuiceBox, and your car will not charge, please contact support.

6-Beep Tones:

This error is an internal system fault – usually related to pilot signal generation. Check that your control pilot (CP) signal pin isn’t shorted. Contact Support if this code persists.

Early Buzzer Codes

This Information applies to JuiceBoxes and JuiceCords built prior to August 28th 2015.

In the event of a system error, the JuiceBox unit will produce an audible sequence of tones to indicate its error state. Buzzer tone sequences for error states are listed below. The sequence is a “Tii-duu” (High-Low) dual tone (intended to mean “Uh-oh!”), followed by a number of “Tii” (high) beeps to indicate which error is signalled. The tone pattern typically repeats so you can identify it.

1-Beep Tone: Ground Monitor Interrupt

  • Occurrence of this error state indicates that the unit is not connected to an earth grounded outlet. Please unplug unit and ensure outlet intended for use is earth grounded before attempting to use JuiceBox.

2-Beep Tones: Ground Fault Interrupt Startup Self-Test Failure

  • Occurrence of this error state indicates a failure of the ground fault interrupt system self-test during unit power on. Unplug unit from wall outlet to prevent unsafe charger state.

3-Beep Tones: Stuck Relay Event

  • Occurrence of this error state indicates unintended closure of the JuiceBox’s relay when the unit is not charging a vehicle. Unplug unit from wall outlet to prevent unsafe charger state.

4-Beep Tones: Ground Fault Interrupt:

4th Fault Error (no beep for first 3 trips with 15-minute auto-reset)

  • After a Ground Fault event the JuiceBox will enter an inoperable state for 15 minutes for safety. After 15 minutes, the unit will enter an operational state. If the ground fault is still present, the unit will repeat the 15 minute waiting period. The JuiceBox will repeat this 15 minute waiting process 4 times in total, after which the unit will become inoperable until it is hard reset via power cycling.

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