An E4 code means there's a problem with the temperature sensor inside the cooling cabinet. Your machine may not be cooling accurately, and the temperature shown on the display may not be reliable.
First, try a simple reset
- Unplug the machine at the wall.
- Leave it for a minute.
- Plug it back in.
Give it a few minutes and see whether the code comes back. Often that's all it takes.
If E4 returns, try a full reset
- Open the door and take out the keg.
- Disconnect the keg from the tap unit.
- Unplug the machine, wait a minute, then plug it back in.
- Reconnect the keg to the tap unit, fitting a new beer line, and place it back inside.
- Close the door and check the latch has locked.
You'll know within a few minutes whether the code has cleared. If it has, leave the keg in the powered-on machine for 12 to 16 hours to cool fully before you pour.
Still showing E4?
If the code comes back after a full reset, the sensor most likely needs replacing, which isn't something that can be fixed at home. Get in touch and we'll sort it out. It helps to know:
- how old your machine is
- whether the code cleared at any point during the resets
- whether the beer is actually cooling, regardless of what the display says