Disclaimer: Symbols vary slightly by model (5225, 5226, 5235, etc.). Always consult your specific user manual for exact error codes.

Understanding the symbols on an Eberle thermostat is essential for effectively managing your home's heating and cooling systems. While specific icons can vary slightly between models like the Instat+ 2R or FIT 3R , most Eberle devices use a consistent set of standardized visual indicators. Primary Operational Symbols

, use a standardized set of icons to indicate current operation modes, system status, and maintenance alerts. Primary Operation Symbols

Eberle thermostats often use a pointer or specific text icons to show which schedule or mode is currently running:

: Indicates that the heating system is currently active and requesting heat.

The device is following your pre-set program (e.g., specific times for morning, day, and night).

: A blinking battery symbol appears when the unit’s power is low and batteries (typically 2x AA) need replacement.