Removing the back cover of a Samsung No Frost refrigerator: detailed instructions with nuances

The back cover of the refrigerator Samsung No Frost is not just a decorative panel, but a protective screen that hides critical elements of the system: compressor, condenser, evaporator and electrical wiring. You may need to remove it to clean dust, diagnose faults (for example, when the refrigerator does not freeze or makes a loud noise), replace the temperature sensor, or eliminate a freon leak. However, incorrect dismantling can result in damage to the freon tubes, broken wires, or even failure of the control board.

In this article - step-by-step instructions with photos, adapted for popular models Samsung with the system No Frost (series RL, RB, RT, RS etc.). We'll look at what tools you'll need, how to avoid common mistakes (for example, bending copper tubes) and what to do if the lid is stuck to the body. And also - a unique life hack for removing the cover without completely unplugging the refrigeratorif you just need to blow out the condenser.

When do you need to remove the back cover?

Do not rush to disassemble the refrigerator at the first malfunction. In some cases, the problem can be solved without dismantling:

• 🔊 Loud noise or humming - often caused by improper installation (check the levelness of the floor) or a clogged fan (just remove the front panel of the freezer).
• ❄️ Ice freezing in the freezer - when No Frost this is usually a signal of a malfunction defrost heater or sensor, but can be diagnosed through the service menu (Display + Light + Freezer at the same time).
• 🔥 Overheating of the compressor —if the back grill is hot, but the refrigerator is working, it may be enough to clean the condenser from dust (use a vacuum cleaner with a narrow nozzle).

Remove the cover required in the following cases:

• 🛠️ Replacement of the compressor, start relay or thermostat.
• 🔧 Repair of freon leak (soldering of tubes required).
• 🧹 Deep cleaning of the condenser and fan (if dust is not removed from the outside).
• 🔌 Diagnostics or replacement of the control board (on some models it is located at the back).

⚠️ Attention: If your refrigerator Samsung was released after 2018, check the presence warranty seal on the back cover. Damage to it will void the warranty - even if you carry out the repair yourself. In this case, it is better to contact the service center.

Tools and preparation: what will you need?

To dismantle the cover, you don’t need professional tools, but you can’t do without some devices. Here is the complete list:

Also prepare:

• 📸 Smartphone - to photograph the location of the wires and tubes before disconnecting.
• 🧴 Silicone grease — if the cover is “stuck” to the rubber seals.
• 🧤 Rubber gloves — protection from sharp metal edges and freon tubes.
• 🔌 Extension cord with grounding —if you have to move the refrigerator away from the wall.

⚠️ Attention: If you plan to solder freon tubes, additional will be required burner with flame regulator, solder (for example, Castolin 192), flux and gauge manifold to vacuum the system. Without soldering experience, it is better not to take risks - an error will lead to a repeated leak of freon.

Step-by-step instructions: how to remove the back cover?

The dismantling process differs depending on the model Samsung, but the general scheme is the same. We will analyze the universal algorithm using the example of refrigerators of the series RL-XX (the most common ones) - look for differences in the fastening of the lid (see section below).

Step 1: Disconnecting and providing access

Unplug the refrigerator from the outlet. If it is built-in - be sure to turn off the power via the circuit breaker (some models have hidden wiring that remains energized even when the plug is removed). Move the refrigerator 50–70 cm away from the wall to freely approach the back panel.

Step 2: Removing the lower compressor protection

There is usually a small removable panel at the bottom of the back cover (it covers the compressor. It is attached to 2-4 self-tapping screws). or latches. Carefully unscrew the screws or pry the panel with a flat screwdriver. Under it you will see the compressor, the start relay and part of the capacitor.

What to do if the screws do not unscrew?

If the screws are “stuck” or have torn slots, use a rubber band: put it on the head of the screw and try to unscrew it again. If that doesn’t help, drill out the screw with a drill (drill diameter 3–4 mm).

Step 3: Unscrewing the main fastenings of the cover

The main cover is attached around the perimeter with 6–10 screws (depending on the model). c top. corners, then move on to the bottom ones. Some screws may be hidden under stickers or rubber plugs - check carefully. If the cover is on latches (relevant for models RB-30**), pry it off with a flat screwdriver, starting from the bottom right corner.

Attention refrigerant pipes: they run along the cover and can be attached to it with plastic clamps. Do not pull the cover by force - first release the clamps, otherwise you risk bending the tube.

Step 4: Disconnecting the wires (if required)

If you remove the cover for cleaning, you don’t have to disconnect the wires - just carefully bend the cover to the side. If you need access to the compressor or board, do the following:

1. Take a photo of the location of all connectors.
2. Disconnect the wires from the start relay (usually 2-3 terminals).
3. If there are connectors on the sensors, disconnect them by pulling the plastic case (not the wires!).

Step 5: Removing the cover

After unscrewing all screws and release the clamps, carefully pull the cover towards you. It may “fit” tightly due to the rubber seals - do not use excessive force so as not to bend the metal. If the cover does not give in, check if there are any unnoticed fasteners.

Features for different Samsung models

The design of the back cover varies depending on the series of the refrigerator. Here are the key differences:

For models with inverter compressor (for example, Samsung Digital Inverter), be especially careful: the control board is often located next to the compressor and can be damaged if removed carelessly.

Typical mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes when dismantling the back cover. Here are the most common:

• ⚡ Power not turned off - some models Samsung have capacitors that retain charge even after being turned off. Touching the board may cause an electric shock.
• 🔧 Loss of self-tapping screws —use a magnetic bowl or tape to secure the fasteners. Self-tapping screws from refrigerators often have non-standard threads.
• 🧊 Damage to freon tubes —if the tube bends or cracks, an expensive refrigerant charge will be required.
• 📸 Lack of photo of wires —without connection diagram, you risk mixing up the connectors, which will lead to a short circuit.

Another common problem is damage to the condenser (grids at the back). It is easy to bend if you pull the cover with force. If this happens, straighten the fins of the condenser with a flat screwdriver, but do not overdo it - deformed areas impair heat transfer.

⚠️ Attention: If, after removing the cover, you find oil stains on the compressor or tubes, this is a sign Freon leaks. Don't turn on the refrigerator! Immediately close the lid and contact service - independent repair in this case is fraught with an explosion (freon under pressure).

Cleaning and maintenance after removing the lid

When the lid is removed, you have access to the key components of the refrigerator. Here's what you can do for prevention:

1. Cleaning the condenser

The condenser (grid at the back) becomes clogged with dust, causing the compressor to overheat and wear out. Clean it like this:

1. Use a vacuum cleaner with a narrow nozzle to remove large accumulations of dust.
2. Use a soft brush (for example, for painting), clean the space between the ribs.
3. If it is heavily soiled, use a hairdryer in cold air mode (hot can melt the dust, and it will stick even more).

2. Checking the fan

The fan No Frost is located behind the back panel of the freezer, but its blades can be seen from behind. If it does not rotate or makes a squeaking noise, lubricate the bearing with silicone grease (1-2 drops). If the blades are broken, the fan must be replaced.

3. Compressor diagnostics

Inspect the compressor for:

• 🔥 Darkening or melting of the housing (a sign of overheating).
• 🛢️ Oil drips (oil leakage from the crankcase).
• 🔌 Burnt contacts on the start relay.

If the compressor does not turn on, check it with a multimeter:

1. Set the resistance measurement mode (200 Ohm).
2. Measure the resistance between the terminals:
   • C (Common) — S (Start): ~20–40 Ohm.
   • C (Common) — R (Run): ~10–20 Ohm.
   • S (Start) — R (Run): ~30–50 Ohm.

If the resistance is 0 or ∞, the compressor is faulty.

Assembly: how to put the cover back?

Installing the cover is easier than dismantling, but there are nuances here:

1. Check the seals: if the rubber gaskets are torn or have lost elasticity, replace them (article for Samsung — DA61-01253A).
2. Secure the tube clamps: they should tightly fix the freon tubes, but not squeeze them.
3. Connect the wires in accordance with the photographs. Start with the start relay, then the sensors.
4. Tighten the screws in the reverse order: first the lower ones, then the upper ones. Do not overtighten - you can break the threads.

After assembly:

1. Connect the refrigerator to the network.
2. Make sure that the compressor starts (you should hear a relay click and slight vibration).
3. Check the temperature in the chambers after 2-3 hours (should be ~+4°C in the refrigerator and −18°C in freezer).

⚠️ Attention: If after assembly the refrigerator does not turn on, check:

• The correct connection of the wires to the start relay.
• The presence of voltage in the socket (the machine may have tripped).
• Integrity thermal fuse (located on the compressor or board).

If the problem is not solved, do not turn on the refrigerator again, this may burn the compressor.

FAQ: Frequently asked questions

Is it possible to remove the back cover without unplugging the refrigerator?

Technically yes, but highly not recommended.. Even when turned off, voltage may remain on the control board (especially in models with an electronic display). If you just need to blow out the condenser, turn off the power, remove the bottom panel of the compressor and use a vacuum cleaner - this is usually enough for cleaning.

The cover does not come off - what should I do?

Possible reasons:

• You missed the screws (check again, especially under the stickers).
• The cover is latched - try prying it off with a flat screwdriver from the bottom corner.
• Rubber seals have “dried up” - treat them with silicone grease.
• Corrosion on screws - use WD-40 and let stand for 10 minutes.

Do not use excessive force - it’s better to inspect again fastenings.

After cleaning, the refrigerator began to work louder. Is this normal?

Yes, the first 1-2 days after cleaning the condenser, the compressor may work louder - this is due to a change in heat transfer. If the noise does not decrease after 48 hours, check:

• If the fins of the condenser are bent (straighten them). screwdriver).
• Are the refrigerant pipes touching the housing (there should be a gap of 1-2 cm).
• Are the compressor fastenings loose (tighten the nuts with a socket wrench).

How often should you clean the condenser?
Recommended frequency:
• once every 6 months — if the refrigerator is in the kitchen with an active stove (grease, soot).
• once a year —under normal conditions.
• once every 2 years — if the refrigerator is built-in or is in a clean room.

Signs that cleaning is urgently needed: the compressor runs non-stop, the back wall is very hot, the refrigerator does not freeze well.

Is it possible to wash the condenser water?

No! Water can cause metal corrosion and a short circuit if it gets on the wires or the board. For cleaning, use only dry methods: a vacuum cleaner, a brush, a hair dryer (cold air). If the dust is greasy, soak the brush in alcohol or vinegar, but wipe it off immediately with a dry cloth.