HL - Hard Lock (Controlled by External Source)

Was bedeutet HL ?

This status indicates the unit is being controlled by an external source, such as a dry contact or a central controller, not directly by its remote.

• External controller connected and active
• Dry contact signal is engaged

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1. 1

   Check if an external control system (like a central controller or building management system) is connected and active.

2. 2

   Verify the status of any dry contact inputs that might be controlling the unit.

3. 3

   If direct control is desired, disconnect or disable the external control source.