What does 'Duty cycle exceeded' mean on HomeMatic Thermostat?
If your HomeMatic Thermostat displays 'Duty cycle exceeded,' the device will communicate again after one hour. No action is required.
What to do if CRC error after firmware update on HomeMatic HM-CC-RT-DN Thermostat?
If you encounter a CRC error after a firmware update on your HomeMatic Thermostat, repeat the firmware update.
How to fix low battery voltage on HomeMatic HM-CC-RT-DN?
If your HomeMatic Thermostat displays a low battery voltage warning, you should replace the batteries in the radiator thermostat.
What to do if HomeMatic Thermostat valve moved to error position due to low battery?
If the valve on your HomeMatic Thermostat has moved to an error position because of low battery voltage, replace the batteries in the radiator thermostat.
Why does my HomeMatic Thermostat show a low battery voltage?
The HomeMatic Thermostat displays a low battery voltage when the batteries are depleted and need replacing. Replace the batteries of the radiator thermostat.
What to do if Teach-in procedure failed on HomeMatic HM-CC-RT-DN Thermostat?
If the teach-in procedure fails on your HomeMatic Thermostat, restart the teach-in mode.
What causes a too narrow actuating range on HomeMatic HM-CC-RT-DN?
If the actuating range of your HomeMatic Thermostat is too narrow, check the heating valve and whether the valve pin is stuck.
Why is the valve drive on my HomeMatic HM-CC-RT-DN sluggish?
If the valve drive on your HomeMatic Thermostat is sluggish, check the installation and whether the pin on the heating valve is stuck.
What to do if HomeMatic HM-CC-RT-DN Thermostat teach-in fails because no more devices can be taught-in?
If the teach-in process fails because no more devices can be taught-in, perform the teach-out function.
What does it mean when HomeMatic HM-CC-RT-DN Thermostat indicates low voltage for taught-in devices?
If your HomeMatic Thermostat indicates low battery voltage for one or more taught-in devices, replace the batteries of the taught-in device.
General| Type | Radiator Thermostat |
|---|---|
| Manufacturer | eQ-3 |
| Model | HM-CC-RT-DN |
| Radio Frequency | 868.3 MHz |
| Display | LCD |
| Valve Connection | M30 x 1.5 |
| Protection Class | IP20 |
| Compatibility | HomeMatic System |
| Communication | Bidirectional |
| Power Supply | 2 x 1.5 V AA Batteries |
| Humidity Range | non-condensing |
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