What does error E1 mean on a Voltronic charge controller?

E1 means: Solar input voltage is too high. Solar input voltage is too high.

Is error E1 a fault or a warning?

E1 is a fault code: the charge controller enters protection and stops normal operation until it is cleared.

How do I clear or fix error E1?

Check if solar wiring is correct. And then check solar input voltage.

Voltronic charge controller error E1

Solar input voltage is too high

Fault — the charge controller enters fault protection and stops normal operation until the fault is cleared — how it is shown (LED pattern or display code) depends on the model.

SCC-MPPT Solar Charge Controller

Charge controllerFault

Also applies to:SCC-MPPT 300WSCC-MPPT 600WSCC-MPPT 850W

What it means

Solar input voltage is too high — Fault code E1 shown on the display with the fault icon on: Solar input voltage is too high..

Cause: Solar input voltage is too high.

How to fix it

Check if solar wiring is correct.
And then check solar input voltage.

Source: SCC-MPPT_manual.pdf, p.6

Frequently asked questions

What does error E1 mean on a Voltronic charge controller?: E1 means: Solar input voltage is too high. Solar input voltage is too high.
Is error E1 a fault or a warning?: E1 is a fault code: the charge controller enters protection and stops normal operation until it is cleared.
How do I clear or fix error E1?: Check if solar wiring is correct. And then check solar input voltage.

Related error codes

Other codes on the SCC-MPPT Solar Charge Controller

All SCC-MPPT Solar Charge Controller codes

Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.