zappi v2Troubleshooting
- Symptom Recognition
- Faults
1. Symptom Recognition
Symptom | Cause | Solution |
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Display is blank |
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In ECO+ mode, the charge does not start, the display is awlays showing Waiting for Surplus and the export power is 0W |
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In ECO+ mode, the charge does not start, the display is always showing Waiting for Surplus, yet the export power is showing correctly |
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Generation power is always 0kW |
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2. Faults
If any of the following fault messages are displayed, follow the action described. However if the problem persists, stop using zappi and call you installer or your local technical support.
Displayed Message | Description | Action |
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Unknown Cable ! | zappi has detected an unknown EV cable (untethered units only)
Make sure you are using genuine IEC 62196-2 compliant plugs. Range supported: 32A, 20A, 13A. |
zappi will automatically retest the cable after 5 seconds.
If the issue persists unplug the cable, check for dirt in the plug and try again. |
Pilot Problem ! | zappi has detected an issue with the “Control Pilot” signal on the cable between the zappi and the EV.. | zappi will automatically retest the cable after 5 seconds.
If the issue persists unplug the cable, check for dirt in the plug and try again. |
Lock Failure !
Fault Code 23 |
The socket lock actuator couldn’t lock/unlock the inserted plug as expected (untethered units only). | This message can happen when the plug is not fully inserted or if it is twisted or pulled from the socket.
Push the plug fully into the zappi to release the plug, then press and hold the |
PE Fault !
Fault Code 25 |
zappi has detected a problem with the main earth connection to the unit. The earth is either disconnected or the impedance of the earth connection is too high. | Unplug the EV, check the earth connection to the zappi and then hold the ![]() If the electricity supply is “IT earthed” check the Supply Grid/Earthing menu setting. |
Comms Fault !
Fault Code 26 |
zappi has detected an issue with the built-in protection components. | Unplug the EV, press and hold the ![]() |
SelfTest Failed !
Fault Code 27 |
The built-in protection devices couldn’t be tested or failed the test prior to a charge. | Unplug the EV, press and hold the ![]() |
Contactor Fault !
Fault Code 28 |
The relay inside the zappi has a welded contact. The secondary relay is open to make sure that the supply to the EV is isolated. | Unplug the EV, press and hold the ![]() |
RCD Tripped !
Fault Code 29 |
The internal Earth leakage protection has tripped. | Unplug the EV, make sure that the fault has been removed then press and hold the ![]() |
PEN Fault !
Fault Code 29 |
The internal protection against the loss of the PEN conductor on the electricity supply has tripped. | Unplug the EV, make sure that the fault has been removed then press and hold the ![]() |
Output Fault !
Fault Code 24 |
zappi has detected a wrong output voltage. e.g. a voltage has been detected when it should be off. | Unplug the EV, press and hold the ![]() |
Overload !
Fault Code 30 |
The EV is drawing too much current – the output is switched off. | Unplug the EV, press and hold the ![]() |
Bad Voltage Range !
Over Voltage ! Under Voltage ! Fault Code 31 |
zappi has detected that the supply voltage is too high/low and has disconnected the EV to protect it. | Unplug the EV, make sure that the fault has been removed then press and hold the ![]() |
Overheating! | The zappi unit is too hot – the output is switched off. | Make sure that the zappi is properly ventilated (e.g. has not been covered).
Charge will resume once the unit has cooled down again. |
Voltage Mismatch !
Fault Code 32 |
The output voltage detected by zappi and the built-in protection components is not the same. | Unplug the EV, press and hold the ![]() |
If any of the above faults persist then contact your supplier or myenergi technical support at support@myenergi.com.
This page was last updated on 13th January at 11:54.
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