If you encounter any problems with your Horstmann Radio Telemeter Series 2A, refer to the troubleshooting guide below.
Remove the four corner screws to access the terminal block. horstmann radio telemeter series 2a user manual
If your Series 2A is behaving erratically (e.g., switching every 10 minutes), perform a full factory reset. If you encounter any problems with your Horstmann
The Series 2A transmits to:
Example packet:
: If you notice sudden, massive spikes in recorded kWh without a change in lifestyle, the meter's internal calibration may have failed. The Series 2A transmits to: Example packet: :
| | Meaning | |----------|-------------| | ⏺ (Solid dot) | Output is ACTIVE (e.g., heater on) | | ⏻ (Hollow circle) | Output is OFF | | 📶 (Antenna) | Radio signal being received – flashes during sync | | 🔋 (Battery) | Low backup battery – replace within 6 months | | AUTO | Unit follows received radio teleswitching times | | MAN | Manual override active | | ADV | Advance mode active – next switch delayed 24h |