Waeco Fridge Not Cooling – What to Do

Even though Waeco fridges are built to work in tough climatic conditions, they are, however, not immune to the major problem of most fridges— cooling. If your Waeco fridge is not cooling, this article will serve as a guide for you to troubleshoot and fix it.

Dometic CD-50 (DC only) Drawer Refrigerator 47-Liter Capacity and Removable Freezer

Why is My Waeco Fridge Not Cooling?

If your Waeco fridge is not cooling, here are some of the likely reasons behind it and how to fix it:

i. Frosted Evaporator Coils

If the evaporator coils of your fridge are frosted over, it may not be able to cool enough or at all. The frost takes about 6 months to build up, and when they do, the circulating fan and evaporator coils of your fridge will be insulated.

If you notice the evaporator coils of your fridge are frosted over, remove the frost manually or by using a leaf blower.

ii. Defective Evaporator Fan

The function of the evaporator fan is to circulate air throughout all sections of a fridge. If for some reason, the evaporator fan fails to work, air will not be circulated, and the fridge will not get cold.

Conducting a continuity test can help you determine if the evaporator fan is the root cause of the cooling problem of your fridge.

iii. Defective Defrost System

All fridges come with a defrost system that facilitates cooling and defrosting. In the defrost system, you will see two components: a defrost heater and a defrost timer.

The latter toggles the fridge between defrosting and cooling mode. If the defrost timer is defective, the cooling mode will not function. Consequently, frost will accumulate over time, and reduce air circulation. Similarly, the cooling mode will not be activated causing the temperature of the fridge to rise drastically.

On the other hand, a defrost heater facilitates the melting of frost that has accumulated on the evaporator coils. So, it is needless to say what happens to the evaporator coils if the defrost heater goes bad.

If both the defrost heater and defrost timer are faulty, your Waeco fridge will not activate its cooling and defrosting system.

Just like for an evaporator fan, conduct a continuity test to know whether or not you need to replace the defrost system.

iv. Faulty Compressor

A compressor is to a fridge what a heart is to the human body. When your heart fails, you know what that means. In the same vein, when a compressor fails, the fridge is good as useless. The fridge will not be able to compress the refrigerant to a high-pressure level needed to facilitate cooling.

The refrigerant is supposed to flow to the evaporator coils from the condenser in its high pressure vaporized form, where it then cools down. The air circulation over the evaporator coils is how the fridge gets cold, so if the compressor fails, the cooling system fails.

In light of this, turn OFF the fridge and put it on again, and listen to the sound of the compressor when the fridge comes on. If there is no sound, consider calling a repairman to replace the compressor of the Waeco fridge.

v. Low Refrigerant Level

Think of a refrigerant to a fridge the way you think of blood to the human body. If a human being loses blood to a certain level, death will be inevitable. In the same manner, if a fridge loses too much refrigerant due to leaks, it will not be able to cool, and eventually pack up.

If you notice your fridge door seals are bad, that means the refrigerant must be leaking. Check the refrigerant level to know it is due for refilling.

vi. Dirty Condenser Coils

Heat is given off via the condenser coils during the process of condensation of the refrigerant in the condenser. However, if the condenser coils are covered with dirt, heat dissipation becomes a challenge.

The heat will remain in the fridge, thereby reducing the efficiency of the cooling system. So, check the condenser coils to see if they need to be cleaned for effective heat dissipation.

vii. Defective Condenser Fan

Another common problem with a fridge is having a defective condenser fan. This fan is supposed to expel hot air out of your fridge. But when it is bad, the hot air does not leave the fridge, making the temperature of the fridge rise. Consequently, cooling will be slow.

Carry out a continuity test on the condenser fan motor and fan blades to know if they need replacement.

viii. Faulty Start Relay

The start relay of the Waeco fridge is situated close to the compressor. It is the device that helps the compressor start when the fridge is turned ON. So, you know if the start relay goes bad, the compressor will be good as useless. Consequently, your fridge will not cool, even if it is switched ON for days.

The only to know if a start relay is faulty and requires replacement is if a continuity test is carried out.

ix. Defective Start Capacitor

The start relay works with a capacitor to help the compressor to kick start. If the start capacitor gets burnt, the compressor will not work, and the refrigeration cycle will not take place. The ripple effect is that cooling will be impossible.

Just like for a start relay, you need a continuity test to verify the working condition of the start capacitor of your fridge. If the start capacitor is defective, your only option is to get a new one.

x. Faulty Thermistor

Without the thermistor, your fridge will not understand the programming behind its start and stop cooling cycle. Or simply put, your fridge will not cool at all or cool continuously without a working thermistor.

Hence, if you notice that the source of your fridge cooling problem is the thermistor, replace it. Check out the video below to learn more about fixing a thermistor…

Check out these other articles on refrigerators not cooling for other brands…

To Wrap Up

You do not have to throw out your Waeco fridge once you notice it is not cooling (at least not until you have troubleshot it to know if the issue is fixable. With this short guide, you will be able to detect the source of your Waeco fridge cooling problem and resolve it within minutes.


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