Error 67 (6 Green, 7 Red Flashes) — Outdoor unit power short interruption error (protective operation)

What does 67 mean?

The hydraulic unit's green LED flashes six times and the red LED flashes seven times. This signifies that the outdoor unit experienced a brief power interruption, causing it to enter a protective shutdown.

• Momentary power outage or 'brownout' in your home's electrical supply.
• Loose wiring connections causing intermittent power.
• A sensitive protective circuit tripping due to minor power fluctuations.

Click steps to track your progress.

1. 1

   No immediate action may be needed if power supply has stabilized; the unit may attempt to restart automatically.

2. 2

   If the unit does not restart, power cycle the heat pump system by turning off the main breaker for 60 seconds, then restoring power.

3. 3

   Check the power wiring connections to the outdoor unit for any signs of looseness or corrosion.

4. 4

   Monitor your home's power supply for any further brief interruptions or voltage dips.

5. 5

   If this error occurs frequently without an obvious power grid issue, consult a qualified electrician to inspect your home's wiring and the unit's power input.