⚠
warning Finder
Error Code Err
Incorrect PIN code entered — wrong PIN was entered when attempting to unlock the chronothermostat.
? What Causes This
User entered an incorrect PIN code for device unlock.
✓ How to Fix It
- Re-enter the correct PIN code.
- After 3 incorrect attempts, the device locks for 20 seconds with 'Err' displayed.
- If PIN is forgotten, use the master code 618 to unlock.
Source: page 14 of the official manual
From the manual
This error code appears in:
Finder IB1C91 Bliss Wifi Chrono Thermostat