Tami4 Error Code E3 — UV Lamp Fault Fix

What Does This Error Mean?

Error E3 on a Tami4 water dispenser means the UV sterilisation lamp has a fault — either the lamp has failed, its connection is not detected, or the lamp has reached the end of its service life. The Tami4 uses UV light to sterilise the water before dispensing. When the UV system is not functioning, the machine may restrict operation as a safety measure.

Affected Models

Tami4 Primo
Tami4 Standard
Tami4 Edge
Tami4 water bar (all models with UV sterilisation)

Common Causes

UV lamp has reached the end of its service life and needs replacement
UV lamp connector loose or disconnected internally
UV lamp failed prematurely — component failure before expected end of life
UV lamp driver circuit (power supply for the lamp) faulty
Internal sensor that monitors the UV lamp has failed

How to Fix It

Note how long the dispenser has been in use.

Tami4 UV lamps have a rated service life — typically 12 months or a set number of operating hours. If your dispenser is about 1 year old or has had heavy use, E3 may simply indicate the lamp has reached end-of-life and needs its scheduled replacement.
Power the dispenser off at the wall socket, wait 30 seconds, and power back on.

A transient E3 from a momentary connection issue may clear after a power cycle. If E3 clears and does not return, monitor for recurrence.
Check whether your Tami4 service subscription is current.

If you have a Tami4 service plan, annual UV lamp replacement is typically included. Contact your Tami4 service provider — they will schedule a technician visit to replace the lamp.
If E3 persists, do not continue using the dispenser for drinking water.

Without functioning UV sterilisation, the water may not be fully sterilised. Stop use and arrange a technician visit.

When to Call a Professional

E3 usually requires a Tami4 service technician. UV lamp replacement inside the water dispenser requires access to internal components. Contact Tami4 customer service or your Tami4 service provider.

Frequently Asked Questions

Is it safe to drink from a Tami4 showing E3?

E3 means the UV sterilisation system is not confirmed to be working. UV sterilisation is one of the safety layers in the Tami4 system. To be safe, do not drink from the machine until E3 is resolved — use bottled water in the meantime.

How often does the Tami4 UV lamp need replacing?

Typically once per year. Most Tami4 service plans include annual lamp replacement as part of the scheduled maintenance. E3 appearing around the 12-month mark is a normal indication that the lamp has completed its service life.