OAU Motor Failure Alarm — Intake or Exhaust Motor Problem

Was bedeutet OAU Motor Failure Alarm ?

This alarm indicates a problem with one of the ERV's outside or exhaust motors. The system will signal this through the OAU Motor Failure Alarm point.

• Phase loss
• Locked rotor
• Thermal overload
• Communication error
• Incorrect signal
• Fan failure

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1. 1

   Check motor power supply and connections.

2. 2

   Ensure the motor is not obstructed and can rotate freely.

3. 3

   Allow motor to cool if overheated.

4. 4

   Verify communication signals between components.

5. 5

   Reset the alarm once the cause is resolved.