Danfoss RX1-S V2 Manuel D'installation page 6

Installation Guide
3.2 Legacy - RF Pairing
EN
Use this guide when replacing the RF receiver only,
where existing room thermostat is reused.
If both products are changed follow normal pairing
procedure, see 3.1 RF Pairing, page 5.
1. Ensure the power to RX1-S V2 receiver is switched on
and batteries are inserted into the thermostat.
2. Put the thermostat in pairing mode, see thermostat
installation guide.
3. Press and hold the PROG button on the RX1-S V2 until
the PROG button LED (green) turns on.
4. If pairing is successful RF icon on thermostat will stop
flashing and remain on.
5. If pairing is not successful, try moving thermostat to
alternative position and retry.
4. Thermostat Error Codes
Display Description
E1
EE
Lo
Hi
E3
E4
E5
E6
6 AN30483496955101-000102
Sensor Failure
EEPROM Failure
Measured temperature below 0 °C
Measure temperature above 50 °C
RF Pairing Failed
RF Signal Lost
RF Hardware Failure
Real Time Clock Failure(TP5001RF Only)
RX1-S V2