When cooling is insufficient

Condition: Air conditioning system does not function effectively.

Symptoms

Probable Cause

Diagnosis

Corrective Actions

• Pressure low on both low and high pressure sides

• Cooling performance insufficient

Gas leakage from refrigeration system

• Insufficient refrigerant

• Refrigerant leakage

1. Check for gas leakage using gas leak detector, and repair if necessary

2. Supply appropriate volume of new refrigerant

3. If indicated pressure value close to 0 when connected to gauge, create vacuum after inspecting and repairing location of leakage

(4) When the circulation of the refrigerant is poor:

Condition: Air conditioning system does not function effectively.

Symptoms

Probable Cause

Diagnosis

Corrective Action

• Pressure low on both low and high pressure sides

• Frost exists on piping from condenser to A/C unit

Refrigerant flow obstructed by dirt in condenser

Condenser clogged

Replace condenser

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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