A sudden stop in the operation of refrigeration equipment often takes you by surprise, especially when there are perishable products in the chamber. If your Indesit stops freezing, but at the same time makes characteristic clicks or a hum that ends abruptly, the problem most likely lies in the compressor trigger mechanism. It is this small unit that is responsible for starting the engine and its safe operation in the first seconds of switching on.
Disassembling the Indesit refrigerator relay is a task that is accessible even to a home craftsman with a minimal set of tools, if he acts carefully and consistently. In this article, we will take a detailed look at the design of the unit, diagnostic methods and a step-by-step dismantling algorithm so that you can independently fix the malfunction or accurately determine the need to call a specialist.
Before taking active steps, you must completely de-energize the unit by unplugging the cord from the outlet. Safety When working with electrical appliances, this is priority number one, since even after turning off a residual residual may remain in the capacitors charge. Only after making sure that there is no voltage can you begin to examine the back wall of the device.
Diagnostics of faults in the starting device
The first sign that disassembling the Indesit refrigerator relay is required is the inability of the compressor to start. The engine may hum, trying to gain momentum, but after a few seconds there is a click and it goes silent. This is a classic symptom that starting winding does not receive the required impulse or the thermal release turns off the power due to overcurrent.
In some cases, the refrigerator may turn on, but work intermittently, often turning off. This indicates wear on the contacts inside the housing or a malfunction of the bimetallic strip. If you hear a burning smell or see melted plastic in the compressor area, you cannot hesitate - immediate troubleshooting is required. Attention: If after turning on the compressor hums for less than 3-5 seconds and clicks, do not under any circumstances try to start it is repeated many times. This can lead to an inter-turn short circuit of the motor windings and expensive repairs to the compressor. troubleshooting node.
⚠️ Attention: If after turning on the compressor hums for less than 3-5 seconds and clicks, under no circumstances try to restart it repeatedly. This can lead to turn-to-turn short circuits in the motor windings and costly repairs to the compressor.
For an initial check, you can gently tap the relay body (with the refrigerator turned on, using extreme caution). If the device starts after a slight blow, it means the contacts are stuck or the mechanism is jammed. However, this is a temporary solution, and a full-fledged disassembly will still be required.
Necessary tools and preparation of the workplace
To disassemble the Indesit refrigerator relay, you do not need a complex professional tool. A standard DIY kit is sufficient. The main requirement is cleanliness and good lighting, since the parts are small and require careful inspection.
You will need the following tools:
- 🔧 Flat-head screwdriver (for prying up latches and removing clamps).
- 🔧 Phillips screwdriver (for removing protective casings).
- 🔧 Pliers or pliers (for removing terminals).
- 🔧 Multimeter (for checking the integrity of windings and contacts).
- 🔧 Flashlight (for illuminating hard-to-reach places on the compressor).
Prepare a container for small parts in advance so as not to lose screws or springs during operation. It is also recommended to have a rag on hand to wipe contacts from possible oxide or dust. Organization work space significantly speeds up the process and reduces the risk of losing important elements.
☑️ Preparation for repair
Removing the protective casing and access to the compressor
Access to the start relay for models Indesit is usually located in the lower rear part of the case. Depending on the series of the refrigerator, the compressor may be covered with a metal or plastic casing, which is secured with latches or screws.
The process of removing the protection is as follows:
- Move the refrigerator from the wall at a sufficient distance to provide easy access from the rear.
- Find the bottom panel covering the engine compartment. It can be screwed with self-tapping screws around the perimeter.
- Carefully unscrew the fasteners, placing them in a prepared container.
- Remove the panel, being careful not to damage the seals or wires, if they are attached to it.
After removing the panel, you will see a compressor - black metal “barrel” at the bottom of the unit. A starting relay is attached directly to its terminals (usually there are three in a triangular arrangement). It can be closed with an additional plastic cover or a metal clamp.
⚠️ Attention: The condenser grille (heat exchanger) on the rear wall may be sharp. Be careful when manipulating the back of the refrigerator so as not to injure your hands or deform the cooling system tubes.
If the relay is closed with a metal clamp, it must be unclenched or the mounting screw must be unscrewed. Plastic clips often require careful prying off with a flathead screwdriver. The main thing here is not to use excessive force so as not to break plastic case the relay itself.
Algorithm for removing and disassembling the relay
The most critical stage is the direct disconnection of the unit from the compressor. The relay is put directly on the contact pins of the engine, so you need to remove it strictly vertically downwards or with a slight wiggle so as not to bend the compressor leads.
Follow the steps in the following sequence:
- 📸 Take a photo of the location of the wires and terminals before disconnecting. This will help to correctly assemble the structure back.
- 🔌 Carefully remove the block with the power wires that goes to the relay. It may fit tightly, use a flat-head screwdriver to pry it open.
- 🤏 If the relay is held on a bracket, bend its edges with pliers.
- 🔄 Remove the relay from the compressor pins, holding the housing with the other hand.
Now that you have the device in hands, you can start disassembling it. The housing of most relays Indesit (models type R-6 or similar) consists of two halves held together by plastic latches. Insert the blade of a flat-head screwdriver into the joint of the halves and carefully twist to disengage the lock.
Inside you will see a coil, core, moving contact and, possibly, a posistor (in models with a ceramic starter). Visual inspection often reveals a problem: blackened contacts, cracks on the posistor body or broken wires. If the coil is burned out (blackness is visible and a burning smell is felt), it cannot be restored.
Design features of different types of relays
There are two main types of relays: induction (with a coil and a moving core) and posistor (with a ceramic element). Induction ones are often marked RT, R-6, and posistor ones are marked PZR. The principle of their disassembly is similar, but the internal structure is radically different. The posistor ones more often crack, and the contacts in induction ones stick.
Table of typical faults and elimination methods
For ease of diagnosis, below is a table that helps determine the nature of the breakdown based on external signs and the results of measurements with a multimeter. The use of measuring device significantly increases the accuracy of defect determination.
| Symptom | Probable cause | Actions | Result |
|---|---|---|---|
| Buzzing and clicking | Sticking contacts or broken posistor | Replacing the relay | The compressor starts |
| Silence when turned on | Open circuit in a relay or thermal relay | Testing with a multimeter | Detection of a break |
| Tripping of protection | Short circuit in the windings | Replacement of unit | Normal operation |
| Periodic shutdowns | Faulty thermal release | Replacement of relay | Stable cycle |
If the multimeter shows a coil resistance close to infinity or zero (short circuit), the part is faulty. The normal resistance of the starting winding is usually several tens of ohms, but the exact values depend on the specific model Indesit.
It is important to understand that the starting relay is a consumable item. Even if you manage to clean the contacts with sandpaper, this will only give a temporary effect. The metal of the contacts has already burned out, and soon the problem will return. The most reliable solution is always to completely replace the assembly with a new original or a high-quality analogue.
Choice of replacement and installation features
When looking for a new part, focus on the markings stamped on the body of the old relay. For refrigerators Indesit universal relays are often suitable, but it is better to look for an exact analogue. The main parameters that must match are: compressor type (low-speed/high-speed) and engine power.
Installing a new relay is done in the reverse order:
- Push the relay onto the compressor pins until it stops. It should fit tightly and not dangle.
- Attach the fixing bracket or plastic holder.
- Connect the block with wires according to the photo taken earlier.
- Make sure that the wires do not touch the hot parts of the compressor.
After assembling all the elements, do not rush to close the back panel. Plug in the refrigerator and listen. The launch should be soft, without strong shocks or prolonged hums. The compressor should pick up speed and run smoothly. If you hear a crackling sound or the motor does not start, immediately turn off the power and recheck the connections.
Frequently asked questions (FAQ)
Can the old one be repaired? relay if the coil burns out?
Rewinding the coil at home is almost impossible due to the microscopic cross-section of the wire and the difficulty of access. It’s easier and cheaper to buy a new relay, which is inexpensive. Repair attempts can lead to a fire or breakdown of the compressor.
Why does the relay click, but the refrigerator does not freeze?
The click means that the thermal relay is triggered and turns off the power because the current in the circuit is too high (the engine cannot start). This may be due to a malfunction of the starting relay itself, a jammed compressor, or problems with the electrical part of the motor.
How to distinguish the Indesit relay from other brands?
Relays Indesit are often marked with codes starting with C... or R-6... They may also have a specific shape of a plastic case with ears for fastening with a bracket. However, many manufacturers use standardized units, so it is more important to look at the electrical parameters.
Is it dangerous to change the relay yourself?
If electrical safety rules are strictly observed (mandatory disconnection from the network!), the procedure does not pose any danger. The main risk is damaging the compressor tubes or connecting the wires incorrectly, so take a photo before disassembling.