Key Test Areas:

1. Flammable refrigerant safety

2. Motor-compressor performance under fault conditions

3. Temperature testing under normal and abnormal conditions

4. Mechanical strength of refrigeration circuits

5. Electrical insulation in humid operating conditions

Key Test Areas: 

1. Pressure vessel integrity and hydrostatic testing

2. Thermostat accuracy and temperature limiting controls

3. Corrosion protection verification

4. Electrical heating element safety

5. Abnormal condition testing (dry-firing, over-temperature)

Key Test Areas:

1. Moisture resistance for use in wet environments

2. Blade and cutting element safety

3. Electrical insulation and creepage distances

4. Battery safety for rechargeable units

5. Overheating protection during extended use

Key Test Areas:

1. Mechanical safety for rotating parts

2. Water ingress protection

3. Motor overload and thermal protection

4. Door interlock and safety systems

5. Abnormal operation testing (drain blockage, imbalance)

Key Test Areas:

1. Protection against electric shock

2. Heating and temperature rise under normal operation

3. Abnormal and fault condition testing

4. Mechanical safety and stability

5. Marking and instruction requirements

Key Test Areas:

1.  Electrical insulation and isolation for shock protection

2. Fire and overheating protection (temperature tests)

3. Abnormal and fault condition simulations

4. Energy hazard protection for accessible parts

5. Photobiological safety (blue light hazard)