Error codeEr 21
The charge controller has a current sensor issue. The manual's first action is: “The charge controller is probably faulty. This error will not auto-reset.”
- Model
- Victron Energy MPPT 150/70 CAN-bus
- Display shows
- Current sensor issue (Er 21)
- Type
- Error code
- Source
- Manual p. 19
What Er 21 means
Current sensor issue p. 19
What to do
- The charge controller is probably faulty. This error will not auto-reset. p. 19
If Er 21 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Victron Energy service.
This page summarises what the manufacturer’s manual says about Er 21; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Victron Energy. Found a mistake? Report an error.
