Applies to: automatic machines (E6, E8, ENA, S8, J8, Z10, GIGA).
How to fix Error 5
- Warm the machine to room temperature (a very cold machine also triggers this) and restart.
- If it persists in a warm room, the fault is internal. A qualified technician would test the thermal-fuse cords and the thermoblock element, and find out why a fuse blew (scale, a stuck relay on the power board, or a dry-fire when the tank ran empty).
When to stop and call a repairer
Mains voltage on the thermoblock terminals. Do not open the machine.
What it costs
| Parts | Not published by Jura. Ask an authorised service centre for a quote. |
|---|---|
| Service | Service prices are not published by the manufacturer. Ask an authorised service centre, and an independent espresso repairer, for a quote. |
| Worth repairing? | Get a quote first; on an old machine compare it with a refurbished unit. |
Beyond the fix
Tips and tricks
- Jura's manuals say a long spell in the cold can disable heating for safety on Error 2 or 5. Warm the machine at room temperature, then switch on again.manufacturer manual
- Stay on schedule with descaling. A parts seller says a thermoblock badly corroded or clogged with scale can no longer reach brewing temperature.repair guide
- A repeat after warming means a technician should look at the thermal fuse, the thermoblock and the power board, per the parts seller.repair guide
Common mistakes
- Retrying again and again on a machine that was never cold. After a proper warm-up, a repeat points to a real fault.
- Skipping descaling prompts, which a parts seller ties to thermoblock failure.
Easily confused with
- Display-less machines show a symbol instead: Jura-parts.com gives cleaning for 5 and empty-grounds for 8, but the German table gives the water-tank symbol for 8 on the ENA Micro (grounds is 10).
Further reading
Questions
What does Error 5 mean on the Jura?
Machine too cold to heat (Jura manuals); technician sources list a heating failure. Jura's manuals describe Error 5 like Error 2: the machine has been exposed to prolonged cold and heating is disabled for safety, so warm it at room temperature. Technician sources describe it instead as the heater being switched on without the temperature climbing, pointing to the thermal-fuse cords that protect the thermoblock or to the thermoblock element.
Can I fix Error 5 myself?
DIY difficulty: hard. Warm the machine to room temperature (a very cold machine also triggers this) and restart. If it persists in a warm room, the fault is internal. A qualified technician would test the thermal-fuse cords and the thermoblock element, and find out why a fuse blew (scale, a stuck relay on the power board, or a dry-fire when the tank ran empty).
How much does it cost to fix Error 5?
Not published by Jura. Ask an authorised service centre for a quote. Service prices are not published by the manufacturer. Ask an authorised service centre, and an independent espresso repairer, for a quote.
Is it worth repairing?
Get a quote first; on an old machine compare it with a refurbished unit.
Error 5 during startup or during use?
Juras report Error 5 any. That timing is a useful clue when narrowing the cause.
Can I keep using the machine with Error 5 showing?
Treat it as a stop-using signal: Error 5 marks a fault that can damage the machine (or worse) if you keep running it. Do the safe first steps below, then stop.
Will Error 5 clear on its own?
Rarely. A reset or power cycle is worth one try, but Error 5 with a "hard" difficulty rating almost always means a failed component that has to be replaced.
How long does the repair take?
This one is a bench repair for most owners — the teardown, test and reassembly are the bulk of the work, not the part itself.