2 flashes, 5 beeps - AC Low / AC High Voltage

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This error code means the AC input voltage to the unit is abnormal, either too low or too high. This could be a problem with the building's electrical supply or internal power components.

• Abnormal AC voltage input
• Unstable mains power supply
• Internal power component issue

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Turn off the unit and check the main power supply voltage at the breaker.

2. 2

   Ensure the voltage is within the unit's specified operating range.

3. 3

   Reset the unit by turning off the power for 1 minute.

4. 4

   If the voltage is consistently outside the normal range, contact an electrician or HVAC professional.