Troubleshooting: All Chambers
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      1. AES Knowledgebase
      2. Environmental Test Chambers
      3. Troubleshooting: All Chambers

      Why is my test chamber vibrating and/or making noises?

      A unit may start vibrating or making noises when the circulation fan motor is running rough.

      Check these possible causes and solutions:

      The unit's fan blade is unbalanced or damaged.
          SOLUTION: Add balance weights, or replace the damaged fan blade.
      The fan motor shaft has bent.
          SOLUTION: Replace the fan motor and blade.
      The fan shaft is rubbing, or the fan blade is hitting.
          SOLUTION: Center the fan motor, and provide sufficient running clearance for the fan blade.
      The fan motor bracket is loose.
          SOLUTION: Tighten the motor mounting screws.
      There is moisture on the fan blade.
          SOLUTION: Heat up the test chamber.
      CO2 "snow" is on the fan blade.
          SOLUTION: Heat up the test chamber.

       

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