Mill - FAQ
Frequently asked questions about all Mill heaters except Mill WiFi. Please see separate section for Mill WiFi.
116 articles
Do Mill heaters have different power consumption and efficiency depending on the model?
Should I choose an oil heater, floor heater or panel heater?
Where can I find the model number/serial number of my device?
I have changed my network at home. How do I reconnect my devices?
Day-/night function
The heater´s power cord is too short. Can it be extended?
There is something loose inside the heater?
My heater is heating too much/too little relative to set temperature. What do I do?
My heater doesn´t heat – What do I do?
The display on my heater shows CH/CHL and the heater cannot be controlled
“FO” shows in the heater´s display. What does it mean?
My heater makes noise. What do I do?
The display on my Gen3 heater shows OFF. What does that mean?
Frost protection
Can Mill heaters be used in wet rooms/bathrooms?
Can I use my Mill-devices outdoors?
Can I use the heater unattended?
What is the highest / lowest temperature I can set on my device?
What is PID-control?
What happens if I tip-over the heater?
What happens if the power goes out?
How much heater wattage do I need?
The lights in my house flicker when I turn on the heater. Why is that?
Can multiple people control the same Wi-Fi-devices?
How to connect my Generation 2 heater
How to connect Genaration 3
How to calibrate a device
Transfer devices to new owner
How many Mill devices can I have on the same network?
Change password on the Mill Norway app
CO / COL appears on the display. What does that mean?
How to contact us
Which generation do i have?
Mounting Guide for Panel Heaters
Why choose a panel heater?
No heat is coming from the heater. What should I do?
My Mill Convection Heater turns off before it reaches the desired room temperature. What do I do?
What is the difference between Mill steel and Mill glass panel heaters?
Maximum Surface Temperature
How do I set the day/night program my Mill Steel / Glass Panel Heater?
F blinker, hva betyr det?
Use of connection box
How to replace the Control Panel on Gen3M and Gen4 panelheater
Wall-Bracket size:
Installation with curtain hangers
Vertical / horizontal installation - Panelheater
What is a Mill Wi-Fi Socket?
What is Timer / Cooling mode
The Wi-Fi Socket asks for wattage / Does not ask for wattage
There is no light on my Wi-Fi socket. What do I do?
Wi-Fi Socket is measuring a too high temperature. What do I do?
Can the Mill Wi-Fi socket be used on things other than heaters?
Can Wi-Fi Socket be used in bathrooms?
What should the heater be set to when the socket is connected?
How to reset Socket Gen2
How to reset Socket Gen3
How do I reset Mill Sense?
Can the Mill Sense measure mold / moisture damage?
Mill Sense displays incorrect values
How long is the battery life of the Mill Sense?
Can the Mill Sense be used in bathrooms?
What do the different colours on the Mill Sense status LED mean?
What is a Mill Sense?
How often are the values updated on Mill Sense?
Mill Air Purifier shows high values. Why is that?
How do I factory reset Mill Silent Pro?
What do the lights and symbols on the control panel mean?
The device vibrates on the floor. Why is that?
What is the Mill air purifier effective against?
How often does the filter need to be replaced?
What are the differences between the Silent Pro and Silent Pro Compact air purifiers?
I want multiple outdoor heaters; can I use the same remote control for all of them?
The outdoor heater doesn't react to the remote control
Can an outdoor heater be mounted upside down?
The outdoor heater’s indicator light doesn't light up at all
Can the outdoor heater be left outside all year round?
Can I use an app to control the outdoor heater?
What is ULG and ULG+?
I have lost my remote-control, what do I do?
I have downloaded the app, but I can't find the outdoor heater in the app?
How to attach an outdoor heater to the wall?
How does a Mill outdoor heater provide heat?
The indicator light turns on, but the patio heater doesn't heat up?
Can I replace the heating element myself?
What are the different power levels on the Mill Patio Heater?