When there is moisture in the refrigeration system

Tabel Volume Refrigant Toyota Avanza

Symptoms

Probable Cause

Diagnosis

Corrective Actions

During operation, pressure on low pressure side cycles between normal and vacuum

Moisture in refrigeration system freezes at expansion valve orifice, causing temporary interruption of cycle

However, when melted, returns to normal condition

• Receiver dryer oversaturated

• Moisture in refrigeration system freezes at expansion valve orifice and blocks refrigerant circulation

1. Replace receiver dryer

2. Remove moisture from cycle by repeatedly evacuating air

3. Supply appropriate volume of new refrigerant

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