# AM-3000 cooler error codes Er2 / Er5 / Er6

- Source-Date (SAST): 2025-07-15 16:40
- Dest: both
- Review-after: 2027-08-31
- Status: current

## Facts

- Er2: water temperature higher than 550 (panel units as written).
- Er5: cannot get a temperature reading (sensor error).
- If Er2 and Er5 flash alternately, treat it as Er5.
- Er6: water not flowing, or flow-sensor error.