Er20 appears when the heater is unable to read an internal temperature sensor.
If the heater is within the 1st year of the guarantee, you will need to return to your point of purchase with the receipt or invoice.
If you have registered for the extended guarantee and the heater is over a year old, please follow the link below
https://glendimplexservice.freshdesk.com/a/solutions/articles/79000136321
Applicable Models
FUTM2CE, FUTM3TSTi, FUTG3BT, FUTM3BT
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article