OJ microline thermostat troubleshooting

Error codeCause \ Solution
EO: Internal failureThe thermostat is defective. Contact your installer. The thermostat must be replaced
E1: Internal sensor defective or short-circuitedContact your installer. The thermostat must be replaced
E2: External wired floor sensor disconnected, defective, or short-circuitedContact your installer for reconnection or replacement
E5: Internal overheatingContact your installer in order to have the installation Inspected. Note! If any of the above mentioned errors occur, the heating is shut off.
A circle containing a dot is displayed in the upper left corner of the screen and the following text is displayed: “Press on the filled circle”.Pressure has probably been applied to the screen while power was connected or the thermostat was turned on. Restart the thermostat in the following way to continue using it:
1. Hold the power/reset button on the right side of the thermostat to switch it off.
2. Press the power/reset button on the right side of the thermostat to turn it back on.
The thermostat will then boot normally
Three circles containing dots are shown on the screenThe thermostat cannot be operated