What to do if the 'Low Bat' symbol appears on my Conrad Thermostat?
If the 'Low Bat' symbol is displayed and the device beeps every 2 minutes, the batteries in the valve operating mechanism are likely low. Replace the batteries to resolve this issue.
What to do if there is no antenna symbol on my Conrad Thermostat?
If there's no antenna symbol, the device generates tones hourly, and the valve opening is 30%, it indicates a radio connection failure, low battery in the heating control, or a wrong heating control code. To resolve this: * Try relocating the heating control. * Replace the heating control batteries. * Transmit the correct safety code to the valve operating mechanism.
What to do if my Conrad Thermostat shows "F1" and makes a sound?
If your Conrad Thermostat displays "F1" and emits a continuous sound, it suggests the valve is operating heavily or is blocked. Here’s what you can do: * Remove the valve operating mechanism. * Manually check the valve's operation. * Re-install the valve operating mechanism. If the problem persists, it's recommended to consult a heating expert.
Why does my Conrad Thermostat display "F2" and make a continuous sound?
If your Conrad Thermostat shows "F2" and has a continuous acoustic signal, it could be due to a control range that is too wide or the valve operating mechanism not being mounted on the heating valve. Try these steps: * Re-install the valve operating mechanism. * Ensure you are using a suitable valve. * Place a 1mm spacer (like a shim) between the heating valve and the actuator.
How to fix the "F3" error and continuous sound on my Conrad Thermostat?
If your Conrad Thermostat displays "F3" accompanied by a continuous sound, the control range might be too narrow. To fix it: * Re-install the valve operating mechanism. * Make sure that the valve is suitable.
How to unlock my Conrad Thermostat when it shows "LOC"?
If your Conrad Thermostat displays "LOC" when a key is pressed, the key lock is active. Deactivate the key lock to resolve this.
Procedure for replacing batteries in the heating control unit.
Procedure for replacing batteries in the valve operating mechanism.
General safety precautions and warnings.
Setting comfort and setback temperatures for the heating schedule.
General| Type | Radiator Thermostat |
|---|---|
| Power Supply | 2 x AA batteries |
| Display | LCD |
| Temperature Range | 5°C to 30°C |
| Frequency | 868 MHz |
| Range | Up to 30 meters (indoors) |
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