Air conditioner fan failure detection method and device

Air conditioner fan failure detection method and device

  • CN 105,509,254 A
  • Filed: 01/04/2016
  • Published: 04/20/2016
  • Est. Priority Date: 01/04/2016
  • Status: Active Application
First Claim
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1. an air-conditioning draught fan fault detection method, is characterized in that, described air-conditioning draught fan fault detection method comprises the following steps:

  • When record air-conditioning draught fan state changes, the temperature of fan coil, is designated as change temperature, and records the temperature that described air-conditioning draught fan changes described fan coil after state preset time period, is designated as sustaining temperature;

    Judge whether the temperature difference between described change temperature and described sustaining temperature is less than preset temperature difference;

    If it is poor that the temperature difference between described change temperature and described sustaining temperature is less than described preset temperature, then judge described air-conditioning draught fan fault.

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