Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Specific System Condition - TXV Restricted

IMPORTANT: Degree of restriction will alter temperature/pressure readings.

Specific System Condition - TXV Restricted - L61:

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

THEN: Thermal Expansion Valve (TXV) may be restricted.
^ This condition can lead to compressor chatter due to lack of oil.
^ Replace TXV.
^ After repair return to diagnostic flow chart.