Question: Can you buy a ST620RF thermostat on its own?
Answer: No, the ST620 range has been discontinued for a while now.
Question: Why does my ST620WBC Salus receiver module LED continues to flash red on the ?
Answer:
The Red LED flashing indicates pairing is lost between the thermostat and boiler receiver. To re-pair follow these steps:
- Ensure the receiver switch is set to Auto (the hollow circle)
- Then turn the boiler off at the mains power switch for 10 seconds
- When it comes back on wait 10 seconds, and then press and hold the sync button on the receiver until the red light starts flashing
- Then on the thermostat press OK to go into the menu, slide the wheel around until you get to 'Pair' - - Press Ok until you see '10 Sending'
- The red light on the receiver should go out after a few seconds - The devices should now be paired
Question: How do I pair my ST621RF thermostat with the RXST625 receiver?
Answer:
- Set the two slide switches on the RXST625 receiver to AUTO and ON
- Turn the boiler off at the mains power switch for 30 seconds
- When it comes back on, press and hold the SYNC button on the RXST625 receiver for 3 seconds - the receiver's green LED will flash
- On the ST621RF thermostat press OK to go into the menu, slide around to 'Pair' and press OK until you see '10 Sending'
- The receiver's red LED stays on until pairing succeeds, then turns green
- The devices are now paired
Question: The ST621WBC receiver red LED flashes continuously?
Answer:
A continuously flashing red LED usually indicates the thermostat and receiver are no longer paired.
Follow the pairing steps above to re-pair them.
If the receiver LED continues to flash after the pairing steps have been followed a few times, then the receiver may have a fault and need to be replaced.
Question: The dial and buttons are not working on the ST620 / ST620RF thermostat?
Answer:
- Make sure the lock switch is not engaged – there is a padlock icon on screen if it has been locked.
- Check the front and back panels are correctly fitted and that no pins are bent or damaged.
- Replace the batteries with good, fresh Alkaline types.