BIG ASS FANS COLD FRONT 401 Manuel De Fonctionnement Et D'entretien page 10

Error codes (Cold Front 500 only)
Error
E1 - Over Current Protection
E2 - Over Voltage Protection
E3 - Low Voltage Protection
E4 - Loss of Phase Protection
E7 - Overload Protection
F6 - Communication Failure
8
Solution(s)
Current draw is too high.
• Check extension cord size.
• Check that motor spins freely.
• Check that airflow is not obstructed.
• Replace motor.
Supply voltage is too high (≥ 132 V).
• Try a different circuit.
• Install a voltage regulator.
Supply voltage is too low (≤ 108 V).
• Try a different circuit.
• Install a voltage regulator.
Motor phase imbalance.
• Check for loose or disconnected motor wire.
• Replace motor.
Motor is running too hot.
• Check extension cord size.
• Check that motor spins freely.
• Check that airflow is not obstructed.
• Replace motor.
Communication failed between control panel and control board.
• Check control cable connection.
• Check that control cable is not broken.
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