É possível que, intencionalmente ou por mero acaso, você tenha identificado uma funcionalidade adicional em seu eletrodoméstico que não consta no manual de instruções. Essas chamadas "funções ocultas" presentes no aparelho podem ser classificadas em duas categorias.
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TecnologiaTranscrição
00:00Why do home appliances have hidden functions?
00:04It is possible that, intentionally or by mere chance,
00:07you have identified an additional functionality in your appliance
00:11which is not included in the instruction manual.
00:14These so-called hidden functions present in the device
00:17can be classified into two categories.
00:20Diagnostic service modes
00:22are sequences of buttons or combinations
00:24that put the device into a service mode or test mode.
00:28These modes are primarily for service technicians,
00:33allowing them to diagnose problems,
00:35test specific components,
00:37motor, pump, heater, sensor and in some cases,
00:42reset factory settings or calibrate the device.
00:46They are not made for the common user.
00:48and improper use can even damage the device
00:51or void the warranty.
00:53Non-prioritized features for the business manual,
00:56some features can be so specific
00:59or used so rarely that manufacturers choose to
01:01for not including them in the user manual
01:03so as not to overload the document.
01:06These could be very specific display brightness settings,
01:10sensor sensitivity adjustments
01:12or small optimizations that do not impact
01:15the experience of most users.
01:18It is crucial to understand that there are no secrets for the consumer
01:21in terms of features that significantly enhance the use
01:24and that manufacturers want to hide.
01:26The vast majority of useful and safe functions are in the manual
01:30or are accessible via app for smart models.
01:34That said, here are some examples of hidden functions that,
01:38although not necessarily secret in the sense of hidden from the consumer,
01:42may not be explicitly detailed
01:44in user manuals sold in Brazil.
01:481. Diagnostic service modes,
01:50common in washing machines and refrigerators
01:522. Washing machines
01:553. Component test cycles
01:574. Button sequences
01:59For example, hold start, pause and power for 5 seconds.
02:03or turn the program selector in a specific sequence
02:07that activate automatic tests of the water pump, engine,
02:10water inlet valves, etc.
02:12The display usually shows error codes or status of each component.
02:18Basket calibration
02:205. On more modern machines with weight sensors,
02:23there may be a calibration mode to optimize centrifugation performance,
02:28especially after a change of location or if there is excessive vibration.
02:32This usually involves an empty cycle and a sequence of buttons to start the calibration.
02:376. Access detailed error codes
02:40While the manual may list some basic error codes,
02:43service mode may display more specific codes or a history of errors,
02:49assisting in the diagnosis.
02:507. Refrigerators, coolers
02:53Sensor test mode
02:55Similar to washing machines,
02:57some refrigerators may have button sequences
03:00which show temperature readings from each sensor,
03:03freezer, refrigerator, environment,
03:06or that test the compressor, fans and dampers.
03:098. Hard reset of system board
03:12In addition to unplugging,
03:14some refrigerators, especially the more electronic ones or those with screens,
03:18may have a combination of buttons to hard reset the control board,
03:22which can solve minor software bugs.
03:269. Fine adjustments of ice
03:27In some frost-free models,
03:29the service mode may allow adjustments to the intervals or duration of ice cycles,
03:35although this is something only a technician should handle.
03:3810. How they are accessed
03:40May vary by brand and model,
03:43but they are usually button combinations like
03:4611. Press and hold two or three buttons simultaneously for a few seconds,
03:51ex, Power plus Delicate Cycle on the washing machine,
03:55or Power Cool plus Power Freese in the refrigerator.
03:5712. Press buttons in a specific order,
04:01in a specific sequence,
04:03ex, cancel five times,
04:05then start twice,
04:06then water level three times.
04:0913. In washing machines with a rotary selector,
04:12There may be a sequence of turning and pressing buttons that activates the service mode.
04:1714. Why are they not in the user manual?
04:2015. Security
04:21Accessing these modes may allow changes that compromise the security of the device or the user.
04:2816. Maintenance
04:29They are tools for trained technicians,
04:32who have the knowledge to interpret the data and make the necessary adjustments without causing damage.
04:3817. Avoid misuse
04:40If the average user were to mess with these settings without knowledge,
04:44could uncalibrate the device,
04:46cause failures or even irreparably damage it,
04:49invalidating the warranty.
04:5018. Complexity
04:52The user manual is for daily use.
04:5519. Detailing service modes would be overly complex and impractical.
05:0020. Small interface and convenience details
05:04Disable the end of cycle sound permanently,
05:08instead of just turning off the beeper on some microwaves.
05:11Washing machines and dishwashers allow you to completely disable beeps and audible alerts,
05:16not just silence a cycle.
05:19This may involve a sequence of pressing the cancel and power button for a specific amount of time.
05:24or enter a deeper settings menu.
05:2621. Display brightness and contrast adjustments
05:30In models with a screen, although some have it in the normal menu,
05:33others may have more granular adjustments accessible by specific combinations.
05:3822. Reset maintenance indicator filters without replacing the component
05:42In some refrigerators, for example,
05:45The manual may say to press a button to reset the water filter change indicator after changing.
05:50However, there may be a way to trick the system and reset the indicator even without changing the filter,
05:57which is not recommended for health and performance reasons, but the function exists.
06:03How to find out?
06:04Forums and online communities
06:06Many users share information about these service modes on home appliance repair forums,
06:13Facebook groups or YouTube videos.
06:16Searching for device brand model service mode or brand model error codes can reveal information.
06:24Service manuals
06:25Service technicians have access to service manuals that are much more detailed than user manuals.
06:33These manuals include wiring diagrams, test sequences, and how to access diagnostic modes.
06:40These manuals can sometimes be found on spare parts websites or technician forums.
06:46Cautious experimentation
06:48If you are curious, you can try logical combinations, e.g., holding LigDISO and a function button for 5 or 10 seconds,
06:57but always with the awareness that it may do nothing or it may activate something unwanted.
07:02For the average user, it is always best to follow the instructions in the user manual.
07:08The documented functions are those designed for safe and efficient use of the device.
07:13Tampering with undocumented service modes or functions may void your warranty,
07:18cause damage to the device and, in extreme cases, even create safety risks.
07:25If you suspect a problem with your appliance, the best thing to do is to seek out an authorized technical support service.