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Specific System Condition - TXV Open
Specific System Condition - TXV Open:
KEY:
1. HIGHER THAN NORMAL SUCTION PRESSURE.
2. HIGHER THAN NORMAL OUTLET TEMPERATURES.
THEN: Thermal Expansion Valve (TXV) may be open.
^ Confirm by touching the suction and discharge pipes at the compressor. Suction pipe will be cool to cold and discharge pipe will be warm to hot.
^ This condition can lead to compressor chatter due to oil being flushed from the compressor.
^ Replace TXV.
^ After repair return to diagnostic flow chart.