F6 🟡 Repair Required

Daikin Error Code F6: Refrigerant Overcharge

⚠️ Your Daikin HVAC system has detected a refrigerant overcharge, which could cause damage. Turn off the system and call a professional.

How to Fix Daikin Code F6

  1. Step 1: Turn off your Daikin HVAC system at the thermostat and the circuit breaker to prevent further operation.
  2. Step 2: Do not attempt to open the unit or handle the refrigerant lines yourself, as this can be dangerous.
  3. Step 3: Contact a Daikin-authorized HVAC technician to diagnose and repair the issue.
Type: digital display Display: remote controller

What Does Daikin Error Code F6 Mean?

The Daikin F6 error code indicates that your HVAC system has too much refrigerant, a condition known as overcharging. This can lead to reduced system efficiency, increased wear and tear on components, and even damage to your unit. It's important to address this issue promptly to prevent further problems.

Common Causes of Daikin Code F6

  • Improper refrigerant charging during installation or maintenance
  • Leak in the refrigerant lines or components
  • Incorrect system sizing or configuration

Applicable Daikin Models

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Replacement Parts for Daikin Mini-Split Code F6

Refrigerant manifold gauge set
Refrigerant recovery machine