Espresso Machines
Aria 500 Espresso Machine
Model AR-500 · Serial #AR500-2024-07214
What's your machine showing?
Search by the code on the display, or browse below.
Critical
E-04 · Boiler overheat protection
The machine has detected a boiler temperature above safe operating range and has stopped heating automatically.
Steps to resolve
-
1
Turn off and unplug the machine. Let it cool for at least 30 minutes.
-
2
Check the water tank isn't empty and the inlet valve isn't blocked.
-
3
Plug in and restart. If E-04 reappears, stop use and contact support.
Contact authorized service
Lumen Home Appliances — Authorized Service
221 Riverside Way, Unit 4, Manchester, M15 4FN, UK
+44 161 555 0142 · [email protected]
Mon–Fri, 9:00–17:00 GMT
All codes for this model
E-01 · Descaling needed
Warning · 2-minute fix
E-02 · Water tank empty
Warning · 1-minute fix
E-03 · Drip tray full
Info · No action needed to continue
No error codes match "".