CompDX

Diagnose

Pick a symptom — get likely causes, checks, and fixes.

Won't run

Compressor will not start

Electrical

Trips breaker or overload Wye-Delta starter problem Contactor chattering or burning

Pressure

Low discharge pressure / won't build pressure Short cycling (loads/unloads rapidly)

Temperature

High discharge temperature

Air quality

Oil in discharge air (rotary screw)

Noise

Abnormal noise / vibration