Maximum Bulk-time exceeded error indicates battery absorption voltage not reached after 10 hours of charging. The manual's first action is: “This error can only occur when the maximum bulk-time protection is active. This error will not auto-reset. This error is generated when the battery-absorption-voltage is not reached after 10 hours of charging. For normal solar installations it is advised not to use the maximum bulk-time protection.”
- Model
- Victron Energy MPPT 150/70 CAN-bus
- Display shows
- Maximum Bulk-time exceeded (Er 20)
- Type
- Error code
- Source
- Manual p. 19
What Er 20 means
Maximum Bulk-time exceeded p. 19
What to do
- This error can only occur when the maximum bulk-time protection is active. This error will not auto-reset. This error is generated when the battery-absorption-voltage is not reached after 10 hours of charging. For normal solar installations it is advised not to use the maximum bulk-time protection. p. 19
If Er 20 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 20; 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.