Reverse Phase Detection

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The outdoor unit has detected that the incoming main power phases are reversed. This condition prevents proper operation of the outdoor unit and can lead to damage if not corrected.

• Incorrect phase sequence of incoming power.
• Motor connected to reversed phase power supply.
• Protection against damage from incorrect phase rotation.

Klikk på steg for å spore fremgangen.

1. 1

   Verify the phase rotation of the incoming power supply at the outdoor unit's main power input terminals using a phase rotation meter.

2. 2

   Correct the phase sequence at the main power supply or the unit's input terminals (L1, L2, L3) as necessary.