“It turns on” is a weak description of a used appliance. A washer can illuminate its display and fail to drain. A refrigerator can feel cold after a short run but never hold a safe, stable temperature. A range can heat while a control or safety feature behaves incorrectly. An appliance reseller needs to know what was tested, under what conditions, for how long, and what remains uncertain. The inspection should also stop a hazardous unit before anyone powers it up for a sales video.
Use a three-stage gate: identify and screen, inspect before energizing, then test the functions the buyer will rely on. If the model is recalled without a completed remedy, the power cord is damaged, the cabinet shows signs of fire or water intrusion, or the required connection cannot be made safely, stop and seek a qualified professional or decline the unit. This second article in the Appliance Flipping Guide turns the selection rule into an evidence-based test and repair decision. It does not replace a manufacturer’s manual, a trained technician, or local electrical, gas, plumbing, and refrigerant rules.
Record the exact unit before testing
Assign an inventory ID and photograph the manufacturer’s model and serial label, full exterior, connection points, included parts, and any defect at intake. Record when and where the item was obtained, the seller’s description, purchase price, and known service history. Keep seller claims separate from your observations. “Worked when removed” is useful context, but it is not proof that the machine works after transport. The internal record should follow the unit through repair, cleaning, listing, delivery, and any return.
Find the manufacturer’s manual for the exact model and revision. Check installation and operating requirements, fault-code definitions, cleaning instructions, and the location of the label. A similar-looking model may have a different voltage, vent arrangement, water connection, fuel type, or control sequence. If an operating manual is unavailable, note that limitation rather than guessing. Record which accessories or fasteners are missing. A dryer without the appropriate cord or a dishwasher without mounting hardware may require parts and installation work before a buyer can use it.
Search the exact model and serial range in CPSC recalls. CPSC’s reseller FAQ says recalled products cannot be offered for sale until an applicable remedy is completed. Save the dated search and any manufacturer’s remedy documentation. A broad model name may cover several serial ranges, so read the notice carefully. If you cannot identify the unit well enough to check recall status, do not treat the absence of a search result as a clearance. A repair done for ordinary wear also does not necessarily complete a recall remedy.
Make a visual safety check before applying power
Inspect the plug, cord, strain relief, cabinet, controls, hinges, doors, feet, hoses, vents, water lines, and accessible surfaces. Look for cuts, crushed insulation, heat discoloration, corrosion, evidence of pests, standing water, loose components, or signs of previous unsafe modifications. CPSC’s reseller safety guidance specifically cautions about damaged cords and plugs. Do not energize a unit with a visible electrical hazard to “see if it still works.” Isolate it and obtain qualified assessment or reject it. A clean exterior is no substitute for this check.
Check for a stable, intact door or lid, functional latch, and missing guards or covers. An appliance designed to stop when opened or unbalanced must not have that protection bypassed. If a safety device has been taped, bridged, or defeated, treat it as a serious fault. Do not describe the unit as “fully functional” because it completes a cycle only when a safety feature is disabled. Replacement parts should match the model and be installed according to the manufacturer’s instructions by a person qualified for the work.
For gas equipment, do not improvise a connection or leak test. The correct fuel, fittings, venting, and local code requirements matter. Use a qualified installer or technician. For refrigeration, do not cut lines, vent refrigerant, or perform sealed-system work without the training and certification the work requires. EPA’s Section 608 guidance describes technician certification for covered service work. A failed sealed system is often an economic as well as a technical decision; get a professional diagnosis before spending money on parts that will not solve it.
Test through a realistic operating cycle
Write a model-specific checklist before testing. A washer test should include fill, agitation or tumble, drain, spin, leaks, unusual noise, and controls. A dryer test should include heat where safe, airflow and venting conditions, drum movement, timer behavior, and shutdown. A dishwasher test should include fill, spray or wash operation, drain, leaks, and cycle completion. A refrigerator or freezer needs an adequate stabilization period and a thermometer, not just a hand against a cold shelf. A range needs appropriate professional connection and safe checks of relevant heating and controls. The exact test depends on the machine and the facilities you have; do not claim a test you did not perform.
Record start and end times, settings, observed results, leaks, noises, fault codes, and any interruption. Take photos or a short video when useful, but keep the written result. A video of a washer spinning for ten seconds does not show that it fills, drains, or completes a load. A refrigerator’s current temperature without a duration does not establish stability. If you lack the hookup or space to run a complete cycle, classify the unit as unverified and decide whether it belongs in your resale model. Do not convert the seller’s earlier demonstration into your own “tested” claim.
Some failures appear only under load or after repeated use. A machine may run empty but vibrate badly with laundry. A dishwasher may not leak until the tub is full and water is spraying. A freezer may reach temperature but struggle after its door is opened. Note the limits of your test and, when appropriate, use a qualified technician or a more representative load. Follow the manufacturer’s guidance for safe operation. Never make a test more aggressive than normal use just to provoke a fault.
Set up a test space that supports reliable results
The inspection area is part of the evidence. Use connections that match the manufacturer’s requirements, stable flooring, suitable drainage, and enough clearance to observe the unit without creating a hazard. A temporary hose or overloaded extension cord can introduce a problem that is not the appliance’s fault and can endanger the tester. If your space cannot support a lawful, representative test, arrange testing with a qualified shop or change the category you buy. Do not assume that a quick test in a parking lot is equivalent to a normal installation.
Keep a blank test sheet for each category. It should identify the unit, date, tester, test environment, settings, duration, measurements, observed pass or fail, and any untested functions. For a refrigerator, note ambient conditions and thermometer placement so a later reading can be understood. For laundry equipment, note whether a load was used and whether the unit was level. For a range, note the connection and who performed it. If a buyer later reports a failure, the sheet helps determine whether the symptom existed before sale or appeared after transport and installation. It also prevents a sales description from growing more confident each time the story is retold.
Photograph the final test state as well as the starting condition. A clean, intact plug after repair, dry floor after a water cycle, and a display showing the completed program can support the written record. These photos are corroboration, not a substitute for the full observation. Protect customer and seller information that may be visible in the workspace. Keep the records under the same inventory ID as the parts and invoices so the listing can point to the exact unit tested.
Translate symptoms into a diagnosis, not a guess
When a fault appears, record the exact symptom before changing anything: what happened, at which point in the cycle, the displayed code, noise, leak location, or temperature trend. Look up the model-specific service information and request a qualified diagnosis for work beyond your competence. A fault code points toward an area to investigate; it is not a confirmed parts order. A machine that fails to drain might have an obstruction, pump problem, wiring issue, or control fault. Buying the cheapest part on the internet without testing can create a pile of components and no reliable appliance.
Ask for a written estimate that distinguishes confirmed work from exploratory diagnosis. Include parts, labor, tax, delivery of parts, a second visit, and any warranty on the repair. The FTC’s auto repair guide addresses a different product category but illustrates the useful practice of written estimates and authorizations; for appliances, follow applicable state service rules and the repairer’s written terms. A technician’s finding also helps you decide whether the unit will be safe and reliable enough to sell under your promised standard.
Keep an explicit uncertainty category. “Intermittently stops; cause not yet diagnosed” is not the same as “needs a $25 sensor.” If the worst credible repair consumes the margin, the correct decision may be to stop, seek a firm diagnosis, or route the unit to proper recycling. A reseller who refuses an uncertain repair is making a business decision. The problem begins when the unit is listed as fully functional despite that uncertainty.
Check parts availability and repair authority
Use the exact model and serial range to find the manufacturer’s parts list or a reputable parts supplier. Verify compatibility, price, returnability, lead time, and whether the part is genuine or an approved alternative. Some components are inexpensive but hard to access; others are easy to replace but costly or discontinued. Include the labor and testing needed after installation. A generic search result for a visually similar part is not evidence that it will fit or perform safely.
Decide which tasks your operation may perform. Cleaning filters or replacing user-serviceable accessories may be straightforward when the manual explains them. Work on gas, high-voltage, sealed refrigerant systems, or safety controls can require specialized training and legal authority. The business should maintain a referral list of qualified technicians and know the cost of their time before accepting inventory likely to need it. If the only profitable path depends on unqualified work, the purchase price is not the real problem; the business model is.
Document the repair and retest the function that failed plus related functions that the work could affect. A replaced pump should be followed by a complete drain and leak check, not merely a successful power-on. A repaired refrigerator should be observed long enough to support the temperature claim you plan to make. Keep invoices and service reports. The buyer does not need an exaggerated “refurbished” label; they need to know what was changed, what was tested, and what remains outside the test scope.
A repair can also change the economics after the original purchase. Compare the updated estimate with the achievable sale price, delivery expense, and remaining warranty or return exposure. A unit that was a good candidate at intake may become a poor resale product when a major component fails during testing. Do not keep repairing solely to defend the first decision. Ask what additional spending is likely to produce now, then choose repair, lawful parts recovery, or proper disposal. Record the reason so the next buying checklist can screen similar models or symptoms earlier.
Decide whether the unit is ready, repairable, or rejected
Use three clear statuses in storage. Ready to list means identity and recall status are documented, the unit has passed the tests you state, safety concerns have been resolved, and condition has been photographed. Repair pending means a specific fault or required service remains, with a budget and owner. Rejected or quarantine means the unit cannot be sold under your standards, has an unresolved recall, or has a safety or documentation problem that prevents responsible listing. Physically separate these statuses so a helper does not accidentally photograph or deliver the wrong unit.
Before moving a rejected refrigerator, freezer, air conditioner, or dehumidifier toward disposal, check the EPA’s appliance disposal guidance and the receiving facility’s requirements. Refrigerant recovery and other hazardous-component handling are not optional details to solve at the dump gate. Keep the disposal receipt and cost in the unit ledger. A rejected unit is a loss that should improve your next purchase rule, not a reason to conceal what you discovered from a buyer.
The final inspection question is simple: What can you truthfully promise about this exact appliance today? If the answer is only “it lights up,” price and describe it accordingly where sale is lawful, or wait for a complete test. If the answer includes a full, documented operating cycle and a resolved safety review, you can support a more useful claim. The next article converts the findings into a complete parts, labor, transport, and disposal calculation before you set a sale price.