Skip to content
EnergyFaults — error codes and troubleshooting for energy devices

Wallbox Error Codes & Faults

Fault and warning codes recorded for Wallbox devices, with meanings, severity and safe troubleshooting steps.

Popular Wallbox error codes

Error 101Moderate

Wallbox · Pulsar Plus

Connection or internal error

September 2026View
Error 102High

Wallbox · Pulsar Plus

Internal relay stuck

September 2026View
Error 103High

Wallbox · Pulsar Plus

DC leakage detected

September 2026View
Error 107Low

Wallbox · Pulsar Plus

EV connector locking failure

September 2026View
Error 109Moderate

Wallbox · Pulsar Plus

Supply voltage out of range

September 2026View
Error 2006Moderate

Wallbox · Pulsar Plus

Meaning pending official confirmation

September 2026View
Orange halo (blinking)Moderate

Wallbox · Pulsar Plus

MID meter communication failure

September 2026View
Red halo (solid)High

Wallbox · Pulsar Plus

General error; charging stopped

September 2026View

Product families

Pulsar Plus8 codes

Common Wallbox problems

Not charging at allRed light on chargerConnected but not charging
Browse all symptom guides

All Wallbox fault codes

Filter by code, product family or severity. Every row links to its canonical page.

8 codes shown