How to fix FFU noise or vibration in a Terra Universal hardwall cleanroom
FFU noise is usually a worn bearing in the centrifugal fan, a loose fan wheel, or panel resonance from fan imbalance. Check fan bearing condition and panel mounting before replacing the fan motor.
~45 min7 steps
How to fix a particle count exceedance in a Terra Universal hardwall cleanroom
A particle count exceedance is usually a failed HEPA filter, a damaged ceiling tile or FFU seal, or a personnel gowning breach. Locate the source with a particle counter before taking corrective action.
~90 min7 steps
How to fix room pressure differential loss in a Terra Universal hardwall cleanroom
Pressure differential loss is usually an FFU speed reduction, an exhaust air increase, or a wall panel seal failure. Check FFU face velocity and room seal integrity before adjusting any fan speed.
~60 min8 steps