Edwin Sweet Repair

Appliance Tips: Understanding Your Dehumidifier

I often receive messages from people saying, "My dehumidifier isn't working anymore."

Before assuming it's broken, it helps to understand how these machines are designed to operate.

How does a dehumidifier work?

A dehumidifier pulls warm, humid air through a cold evaporator coil. As the air cools, moisture condenses into water droplets, which collect in the bucket or are directed through a drain hose. The air then passes over a warm condenser coil before being returned to the room, slightly warmer and much drier.

Most modern dehumidifiers also have a humidity setting. Once the room reaches the selected humidity level, the compressor will shut off because the desired moisture level has already been reached. This is one of the most common reasons people think their unit has failed when it's actually working as intended. Try to lower the setting by pressing the "-" (minus) button to lower the set point and see if the unit comes back on.

Bucket or continuous drain?

Most units can operate in one of two ways:

**Bucket Collection**

* Water collects in the removable bucket.
* When the bucket becomes full, a safety switch turns the machine off until it's emptied and reinstalled correctly.

**Continuous Drain**

* A garden hose is connected to the drain fitting.
* Water drains continuously by gravity, so the bucket doesn't need to be emptied.
* Make sure the hose slopes downward with no kinks or loops that can trap water.

Simple maintenance goes a long way

A little maintenance each season can greatly improve performance.

* Clean the air filter regularly.
* Vacuum dust and pet hair from the coils and air passages.
* Make sure there is space around the unit so air can circulate freely.
* Keep the drain opening clean.
* Before storing the unit, empty the bucket completely and allow the inside to dry.

One of the most common problems I see is evaporator and condenser coils packed with dust, lint, and pet hair. When airflow is restricted, the unit has to work much harder and may stop removing moisture efficiently.

Signs something may be wrong

While some issues are simply maintenance-related, others may require repair.

Watch for symptoms such as:

* Buttons becoming difficult to press or only responding occasionally.
* The fan not starting.
* The compressor never turning on.
* The compressor tries to start but only hums briefly.
* Water no longer collects, even though the room is humid.
* The unit repeatedly shuts itself off unexpectedly.
* Loud buzzing, clicking, or unusual noises.
* Ice building up on the evaporator coil under normal room conditions.

Depending on the symptoms, the cause could be something simple like dirty coils or a stuck bucket switch, or it could involve components such as a start/run capacitor, relay, humidity sensor, fan motor, or the electronic control board.

Before replacing it...

Many dehumidifiers are discarded because they appear completely dead or ineffective. Surprisingly often, the problem turns out to be something small and repairable.

If your dehumidifier isn't performing the way it should, don't assume it's beyond saving. A proper diagnosis can often identify the cause and determine whether a repair makes sense.

If you're unsure whether your unit is operating correctly, feel free to reach out. I'm always happy to help determine whether it's a simple adjustment, routine maintenance, or a repair worth making.

This is now the **second Miele vacuum** I've repaired with exactly the same failure.

The customer's description was familiar:

> "The power head doesn't work anymore."

At first glance, many people would assume the power head itself had failed. However, after tracing the wiring through the vacuum, I found the real problem hidden inside the hose.

The hose contains several wires that carry power to the power head. In both repairs, those wires had become pinched inside the molded hose assembly until they eventually broke.

This wasn't caused by anything the owners did.

After doing some research, I found that this appears to be a known issue affecting certain production batches of these hoses. While I can't confirm the exact manufacturing process, it appears the wires may have been pinched during the molding of the hose end. They leave the factory working properly, pass quality testing, and can continue functioning for years before finally failing.

When that happens, many people replace the entire hose.

The surprising part? A replacement hose can cost **$250–375**, and if it's from the same production run, it may eventually develop the very same problem.

This is why finding the **root cause** of a failure is so important. Simply replacing a part doesn't always solve the underlying issue, and without understanding *why* something failed, it's easy to lose confidence in an otherwise excellent product.

I really enjoyed tracking this one down. It's a perfect example of why I love diagnostics—every repair tells a story, and every successful diagnosis keeps another quality product in service instead of being replaced.

If your vacuum isn't performing the way it should, don't assume it's beyond repair. Send me a message, and let's see if we can get it running again.

This week was full of repairs that, at first glance, looked like they might require replacement. In every case, the solution turned out to be much simpler.

🥕 **Food Processor**
The customer thought the push buttons had failed because the unit wouldn't respond. After taking it apart and doing some testing, the problem turned out to be dirty motor contacts. Once cleaned, the food processor was back to helping prepare meals.

☕ **Coffee Grinder**
No morning coffee is a rough way to start the day! This grinder had stopped grinding beans, but the motor was fine. Moisture had caused coffee grounds to build up inside the grinding chamber, creating a blockage. After a thorough cleaning, it was back to making fresh coffee.

🦟 **Bug Zapper**
The customer couldn't find a replacement bulb and wasn't sure if the zapper could be saved. I sourced a new bulb and gave the entire unit a good cleaning, removing the buildup of insects that had been reducing its effectiveness. It's now ready for another season.

🔋 **Battery Charger**
This charger kept indicating batteries were fully charged when they weren't. A little troubleshooting led to the culprit—broken wires inside the alligator clips. After repairing the wiring, it was charging properly again.

🌬️ **Air Purifier**
This one powered on, but none of the controls responded. After tracing voltages through the control board, I found the supply voltage was too low. The cause? Three out of four failed capacitors in the power supply. After replacing them, the purifier was back to normal operation.

Five different repairs.
Five different faults.
Five items that could have easily been thrown away.

One of the things I enjoy most about this work is that every repair is a puzzle. Sometimes it's a dirty contact. Sometimes it's a worn wire. Sometimes it's a failed electronic component. The challenge is finding the true cause—not just replacing parts.

If you have a small appliance, electronic device, tool, or household item that isn't working properly, don't assume it's beyond repair. It may just need someone willing to take a closer look.

Repairing instead of replacing can often save money, reduce waste, and keep a perfectly good item in service for years to come.

🚚 **One-Day Pickup Route – Thursday, July 23**

Got a broken vacuum, TV, small appliance, or electronic device that's been sitting in the garage, basement, or closet?

Before you throw it away, let me take a look.

One of the biggest things I've learned over the past year is that many items people assume are "done for" often have surprisingly simple faults. Sometimes it's a worn switch, a failed relay, a bad capacitor, a broken wire, or years of dust and debris preventing them from working properly.

To help more people in the surrounding communities, I'll be running a **pickup route on Thursday, July 23**.

Visiting St. Thomas, Aylmer, and Belmont

# # # Services Offered

🔧 Electronics repair
📺 TV diagnostics and LED backlight repair
🧹 Vacuum cleaning, servicing, and repair
❄️ Portable & window A/C servicing
🚗 Power Wheels repair and DeWalt battery upgrades
🛠️ Small appliance repair
🏠 Handyman services and minor home repairs
🌿 Power tool and outdoor equipment repair

Even if something can't be repaired economically, I'm happy to provide an honest assessment.

♻️ I also accept **unwanted electronics, TVs, vacuums, power tools, and small appliances** for recycling, parts recovery, or responsible disposal.

If you'd like to be added to the pickup route, send me a direct message (please do not comment on this post with personal information) with:
📍 Your town and address
📦 What you have
📅 Whether it's for repair or pickup

If you know someone with a garage full of "I'll fix it someday" items, I'd really appreciate you sharing this post with them.

Thank you all for the incredible support you've shown my small business. Every share, recommendation, and repair helps keep usable items out of the landfill and supports a local business.

Is your dehumidifier or air conditioner just not performing like it used to?

Before you replace it, it may simply need a proper service.

Over time, dust, pet hair, lint, and debris build up deep inside the coils and airflow passages. This can lead to problems like:

• Poor cooling performance
• Dehumidifiers that no longer collect much water
• Compressors that struggle to start or cycle properly due to overheating
• Reduced airflow
• Musty odours
• Higher energy consumption

We're also seeing many units with worn or unresponsive control panel buttons that can often be repaired instead of replacing the entire appliance.

We now offer servicing for:
✅ Dehumidifiers
✅ Portable air conditioners
✅ Window air conditioners

For **$50**, we'll inspect and service your unit. If the service restores proper operation, that's all you pay.

If we find a repair is needed beyond routine servicing, we'll let you know before any additional work is done so you can decide whether it's worthwhile.

A simple service can often restore performance, extend the life of your appliance, and save you the cost of buying a replacement.

If you have a unit that's not cooling, not collecting water, or just isn't working the way it should, send us a message. Let's see if we can get it working like it should again.

Today's repair might have seemed too small to bother with—but that's exactly why I wanted to share it.

This hurricane lantern had been stored with batteries installed for a little too long. Over time, the batteries leaked and corroded one of the battery terminals, preventing fresh batteries from making contact. As a result, the lantern appeared to be completely dead.

For many people, that's where the story ends. When an item like this stops working, it's often easier to assume it's beyond repair and replace it with a new one.

Fortunately, the customer decided to see if it could be fixed first.

After cleaning the corrosion, replacing the damaged battery spring, and reassembling the lantern, it was back to working like new.

The total repair cost? **Just $5.**

Considering a replacement lantern costs around **$20–30 before tax**, a simple repair saved money, prevented unnecessary waste, and kept another perfectly good item out of the landfill.

Over the years, I've repaired everything from the simplest faults to complex electronic failures. One thing I've learned is that appearances can be deceiving. Sometimes the problem is a failed circuit board, and sometimes it's nothing more than a corroded battery terminal or a broken wire. The only way to know is to take a closer look.

Before you throw something away, ask yourself if it might have one more chance.

If you have a small appliance, electronic device, toy, gaming accessory, or other household item that isn't working properly, send me a message. My goal is to save you money whenever possible while keeping repairable items out of the landfill.

I also offer:
🔧 Repairs on a wide range of household electronics and small appliances.
🚚 $10 in-town pickup and delivery for repair items.
♻️ Free in-town pickup of unwanted electronics, small appliances, tools, toys, and other e-waste for responsible recycling.

A quick thank you to everyone who has followed, liked, shared, commented, and supported this page.

What started as sharing a few repairs has grown much faster than I ever expected. It's clear there is a real interest in these seemingly unconventional repairs and, more importantly, a desire to learn how things actually work.

One of the most common comments and messages I receive is asking how I diagnose faults and track down problems. Many items are thrown away because the failure seems complicated or impossible to repair, when in reality the issue is often something surprisingly simple.

Because of that, I'm considering putting together some repair videos that walk through my troubleshooting process from start to finish. Recently I repaired a fan with a unique fault that completely prevented it from operating, and it might make a great first video to test the waters.

I've also had several people suggest hosting a repair clinic or repair café where we could troubleshoot and repair a few pre-selected items live. The goal wouldn't just be fixing things—it would be helping people understand how their equipment works, teaching safe diagnostic techniques, and building confidence to tackle simple repairs themselves.

Whether you're here to learn, save something from the landfill, get an item repaired, or you're simply curious about how things work, thank you for being part of this growing community.

I'd love to hear your thoughts. Would you be more interested in repair videos, a live repair clinic, or both?

Today's repair involved a fan that had completely stopped responding. The buttons were unresponsive, and the unit would not power on at all.

The first step was disassembling the control module for a visual inspection. Finding no obvious damage, I moved on to circuit testing—tracing the power path, checking the push buttons for proper operation, and performing live voltage measurements throughout the control board.

During testing, I discovered voltage on both sides of the power button. Normally, only one side should be energized, which indicated a short circuit somewhere on the board.

Further tracing led me to a series of three LEDs connected to the circuit. With the power removed, I tested each LED individually and found that one had failed shorted. After replacing the faulty LED, the fan powered up normally and all functions were restored.

A small component failure had rendered the entire fan unusable, but with a little troubleshooting and repair, it's back in service and ready for many more years of use.

That's one more item kept out of the landfill and one less replacement purchase needed.

If you have electronics, appliances, tools, or other equipment that isn't working properly—or has stopped working altogether—feel free to reach out. You might be surprised what can be repaired.

Don't forget: I also offer free in-town pickup of unwanted electronics, small appliances, dehumidifiers, portable and window A/C units, vacuums, fans, tools, and other e-waste.

Is your dehumidifier no longer collecting moisture?
Has the compressor stopped kicking on?
Are the buttons on the control panel becoming unresponsive?

If so, reach out and let’s see if it can be repaired before replacing it.

We’ve been seeing a lot of dehumidifiers come in lately with these exact issues, and we keep many common parts on hand to help speed up repairs.

Diagnostic and troubleshooting for dehumidifiers is a flat fee of $40. If the unit is repairable and you choose to proceed, that fee is credited toward the repair cost.

Even if the unit can’t be repaired, at least you’ll have peace of mind — and we can also take care of disposal so it’s not taking up space in your home.

If you have a dehumidifier that’s acting up, send us a message and let’s see what can be done. 🔧