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Servicing a Refrigerator

When servicing a refrigerating unit, it’s important to always check components to find potential issues. A well serviced unit will ensure good quality and a solid reputation in your field.

Always make notes and create a job-card not only for the clients benefit, but for your records should the fridge unit fail in future. This will give you an indication of historic issues to help detect problems sooner.

There is no need to check pressures during a service if the fridge is working.

Although these steps will not apply to all models of fridges, for example, those that do not have fans, however, the rest of the guide points can still apply.

A standard service should take on average 30 minutes to an hour if done correctly.

Never skip steps or take short-cuts with refrigeration, it will come back to haunt you later!

Pre-service Check	Before performing any service, inspect the fridge for all noise, irregularities or potential problems. Record the pre-service temperature in order to compare with the temperature after the service. Check the evaporator unit and the p or electrical hazards. Check for corrosion, oil leaks and potentially weak joints. Check if the compressor is excessively warm. If the compressor is hot, check the troubleshooting guide for diagnostic steps. Check for ice on the return line. Release pressure slowly to resolve this. Once all the checks and notes have been performed, turn off and isolate the fridge unit to prevent accidental power-up. Check the cleanliness of the fridge. Check the door operation and door seals.
Evaporator Service and Cleaning	If there is excessive dirt on the evaporator, the unit will need to be power-washed. To do this, firstly, remove all the stock. Then, simply cover all electrical components with plastic, remove the fans (blades may need washing) and spray clean the evaporator carefully..
Condenser and Compressor Cleaning	Place a screw-driver or stick in the fan-blade to prevent it from turning while blowing out the unit. A turning fan caused by wind can generate power or can damage the motor. Remove all excessive dirt and dust with a brush to minimise dust-clouds. Blow out the condenser from the opposite side of flow. In other words, if the fan sucks, then blow the dirt out in the opposite direction to force dirt out instead of in. Blow out the compressor unit thoroughly. If the condenser is excessively dirty, it will require kitchen-friendly grease remover and a jet-wash. Cover all the electrical components carefully and jet wash the condenser carefully so as to not have water enter electrical units. REMOVE THE STICK FROM THE FAN WHEN THE SERVICE IS COMPLETE!!!
Electrical Inspection	Check the electrical condition of the fridge on the plug, damaged cables, loose wires, etc.
Apply power	Turn on the fridge, check the condenser fan if it’s operational and if you remembered to take out the stick! Run the fridge until optimum temperature is reached. Set the thermostat if necessary. Ensure the thermostat turns off at the correct temperature.
Final report	Compile a list of recommended repairs for your client.

Servicing a Refrigerator

Frost Chill Cooling

Servicing a Refrigerator

When servicing a refrigerating unit, it’s important to always check components to find potential issues. A well serviced unit will ensure good quality and a solid reputation in your field.

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