User guide

6
Troubleshooting the EHE0200153
How do I change the batteries on the thermostat when they run out?
The thermostat constantly monitors the battery power level, which typically lasts for
about 2 years before the batteries need to be replaced. When the power is running
low a flashing symbol will be displayed on the screen. To change the batteries
followthestepsintheabovesection(‘STEP 1: Installing the Batteries’ on page
3),replacingtheusedbatterieswithnewonesinStepc.Note:Whilechangingthe
batteries your program settings will be stored but you may need to adjust the time
settings to be correct.
How do I set one temperature for the whole day?
To operate as a simple thermostat with one temperature throughout the day, select
the manual operating mode by pressing the MAN button. Adjust the temperature
by pressing the or buttons-thiscanbesetanywherefrom5°Cto35°Cin
0.5°Csteps.Thethermostatwillcontinuetomaintainthistemperatureuntilanother
operating mode is selected or the temperature is adjusted.
Symptom
BlankDisplay(PowerLoss).
Displayshowsashing
symbol.
Displayshows
symbol.
Remedy
Checkbatteriesareinstalledbyremovingthe
battery cover.
Checkbatterieshavebeeninstalledinthecorrect
orientation.
Replace the batteries.
The batteries in the thermostat are low on power
- Replace the batteries.
A fault has occurred in your heating system.
Remove and re-insert the batteries.
Ifthe
symbol does not clear after a few
minutes contact your installer.
FAQ’s