- EV charging
- EV charger
Output Fault
Zappi Output Fault or 24: wrong output voltage detected
Risk level
High
Professional inspection is recommended.
Urgency
Immediate
Quick answer
Output Fault or fault code 24 means Zappi detected incorrect output voltage such as voltage being present when output should be off. Unplug the EV and perform only the documented reset.
Safety first
Stop and check this first
- Treat a recurring Output Fault as an electrical stop condition. Leave the EV unplugged and do not use or open Zappi until a qualified installer or myenergi support has assessed it.
Safe checks you can perform
- Unplug the electric vehicle
- Perform the documented reset once
Leave these tasks to a qualified professional
- Do not attempt this professional task: Inspect the charging installation and Zappi output
What a technician must be able to justify
A technician is coming
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Inspect the charging installation and Zappi output
What they doA qualified EV-charge-point installer or myenergi support should verify the model firmware event history site supply wiring protective devices contactor operation and output measurements.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Checks and evidence, step by step
Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
- 1
Unplug the electric vehicle
No special tools
Procedure
Stop charging and disconnect the vehicle from Zappi using the normal connector release procedure. Leave the cable disconnected while handling the fault message.
Do not touch damaged wet overheated or exposed connector parts. Isolate the area and call an installer if any of those conditions are present.
Evidence: myenergi Zappi operation and installation manual
- 2
Perform the documented reset once
No special tools
Procedure
With the EV unplugged press and hold the Zappi reset control as described in the current manual. Record Output Fault or code 24 if it returns.
Do not keep resetting the charger and do not open the enclosure test voltage or alter site wiring earthing or protection.
Evidence: myenergi Zappi operation and installation manual
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- EV charging
- Brand
- myenergi
- Product type
- EV charger
Known code variants
- myenergi Output Fault
- Zappi fault code 24
- Zappi Output Fault
What it means
The charger has entered a protective fault state. Supply voltage site wiring contactor protection and internal measurements require a qualified installer or myenergi support if the message returns.
Warnings and stop conditions
- Criticalsource verified
Treat a recurring Output Fault as an electrical stop condition. Leave the EV unplugged and do not use or open Zappi until a qualified installer or myenergi support has assessed it.
Evidence: myenergi Zappi operation and installation manual
Symptoms and causes
Probable causes · in order
- Zappi detected incorrect output voltageConfirmed
myenergi defines Output Fault or fault code 24 as wrong output voltage being detected such as voltage being present when the charger output should be off.
Evidence: myenergi Zappi operation and installation manual
Virtual technician
Does Output Fault still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
myenergi · official_doc
- 2
myenergi Zappi operation and installation manual
myenergi · manual
Was this entry useful?