Specific System Condition - TXV Restricted

Specific System Condition - TXV Restricted:

KEY: 1. LOW SUCTION PRESSURE.
2. HIGHER THAN NORMAL OUTLET AIR TEMPERATURE.

THEN: Thermal Expansion Valve (TXV) may be restricted.
^ Confirm by touching the suction and discharge pipes at the compressor. Suction pipe will be warm to cool at low ambients and cool to cold at high ambients. The discharge pipe will be warm to hot.
^ This condition can lead to compressor chatter due to lack of oil.
^ Replace TXV
^ After repair return to diagnostic flow chart.