Diagnostic system and method for home appliance
First Claim
1. A diagnostic method for a home appliance diagnostic system, the method comprising:
- receiving a sound signal output from a home appliance via a communicator of a diagnostic server and extracting product information about the home appliance from the sound signal;
analyzing via the diagnostic server the product information and determining, when an error code is set in the product information, whether the error code corresponds to a water supply error associated with a water supply operation of the home appliance;
diagnosing via the diagnostic server a fault of the home appliance by determining, when the error code corresponds to the water supply error, whether at least one of a water supply malfunction, a water level sensor malfunction, or a program malfunction has occurred using diagnostic data associated with the water supply operation among a plurality of diagnostic data included in the product information; and
deriving via the diagnostic server a diagnosis result by deriving a solution corresponding to a cause of the water supply error, the cause being obtained according to the fault diagnosis, wherein diagnosing via the diagnostic server the fault of the home appliance includes diagnosing the water supply error by determining whether the water supply operation has a malfunction using at least one of state information, a wash water temperature, or a change of the wash water temperature among the plurality of diagnostic data, and wherein diagnosing via the diagnostic server the fault of the home appliance includes determining, when the state information is associated with a washing or rinsing mode, whether the wash water temperature has been changed by comparing a first wash water temperature measured when water supply starts and a second wash water temperature measured when water supply is completed.
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Accused Products
Abstract
A diagnostic system and method for a home appliance is provided. When the home appliance outputs product information as a sound signal, a service center remotely performs fault diagnosis of the home appliance by receiving the sound signal, detecting the product information from the sound signal, checking the state of the home appliance using diagnostic data included in the product information to determine whether the home appliance is out of order, diagnosing, when water supply malfunction including a water supply error or a water level sensor error has occurred, a cause of the water supply malfunction, and deriving a solution to the water supply malfunction. Upon deriving a diagnosis result through the fault diagnosis of the home appliance, the service center immediately notifies the user of the diagnosis result and may dispatch a service technician or may provide the user with a solution to allow the user to easily fix the fault without dispatching a service technician.
71 Citations
10 Claims
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1. A diagnostic method for a home appliance diagnostic system, the method comprising:
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receiving a sound signal output from a home appliance via a communicator of a diagnostic server and extracting product information about the home appliance from the sound signal; analyzing via the diagnostic server the product information and determining, when an error code is set in the product information, whether the error code corresponds to a water supply error associated with a water supply operation of the home appliance; diagnosing via the diagnostic server a fault of the home appliance by determining, when the error code corresponds to the water supply error, whether at least one of a water supply malfunction, a water level sensor malfunction, or a program malfunction has occurred using diagnostic data associated with the water supply operation among a plurality of diagnostic data included in the product information; and deriving via the diagnostic server a diagnosis result by deriving a solution corresponding to a cause of the water supply error, the cause being obtained according to the fault diagnosis, wherein diagnosing via the diagnostic server the fault of the home appliance includes diagnosing the water supply error by determining whether the water supply operation has a malfunction using at least one of state information, a wash water temperature, or a change of the wash water temperature among the plurality of diagnostic data, and wherein diagnosing via the diagnostic server the fault of the home appliance includes determining, when the state information is associated with a washing or rinsing mode, whether the wash water temperature has been changed by comparing a first wash water temperature measured when water supply starts and a second wash water temperature measured when water supply is completed. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A home appliance diagnostic system, comprising:
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a home appliance that outputs product information required for fault diagnosis as a sound signal; a diagnostic server that receives the sound signal, derives a state, a fault, and a fault cause of the home appliance, and derives, as a diagnosis result, a solution to the fault; and a portable terminal that receives the sound signal output from the home appliance and transmits the sound signal to the diagnostic server through a communication network, wherein the diagnostic server determines, when an error code is set in the product information extracted from the received sound signal, whether the error code corresponds to a water supply error or a water level sensor error based on the product information, and diagnoses fault of the home appliance by determining, when the error code corresponds to the water supply error or the water level sensor error, whether at least one of a water supply malfunction, a water level sensor malfunction, or a program malfunction has occurred using diagnostic data associated with a water supply operation among a plurality of diagnostic data included in the product information, and then derives a solution corresponding to a cause of an error associated with the water supply operation and outputs a diagnosis result, wherein the diagnostic server diagnoses the water supply error by determining whether the water supply operation has a malfunction using at least one of state information, a wash water temperature, or a change of the wash water temperature among the plurality of diagnostic data, and wherein the diagnostic server determines whether the wash water temperature has been changed and determines that the fault of the home appliance is caused by an error due to water supply malfunction or an error due to water level sensor malfunction according to the determination when the state information is associated with a washing or rinsing mode. - View Dependent Claims (8, 9, 10)
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Specification