A method for detecting an interference source in a wireless network in an industrial facility, wherein the wireless network comprises a plurality of network devices (140, 150, 154, 158, 160, 164, 170), the method, performed by a network management device comprising: a. receiving network quality information from a plurality of network devices (140, 150, 154, 158, 160, 164, 170), wherein network quality information from a corresponding network device includes one or more network KPIs indicative of signal quality at the corresponding network device, and a network identifier of the corresponding network device; b. detecting a degradation in a section of the network based on the network quality information from one or more network devices (160, 164, 170) from the plurality of the network devices (140, 150, 154, 158, 160, 164, 170), wherein the section of the network comprises the one or more network devices (160, 164, 170); c. determining a geographical area associated with the section of the network based on the network quality information from the one or more network devices (160, 164, 170) in the section of the network; d. determining a route plan to be provided to an automated guidance vehicle based on the determined geographical area and network topology of the section of the network for covering the geographical area, wherein determining the route plan comprises determining a plurality of locations in the geographical area for covering the geographical area; and e. determining a location of the interference source based on measurements of the one or more network KPIs measured at the plurality of locations in the geographical area, from the automated guidance vehicle; wherein the route plan for the automated guidance vehicle comprises the plurality of locations in the geographical area to which the automated guidance vehicle (!58) is to be going and wherein at each location from the plurality of locations, the one or more network KPIs are to be measured using the automated guidance vehicle. a. receiving network quality information from a plurality of network devices (140, 150, 154, 158, 160, 164, 170), wherein network quality information from a corresponding network device includes one or more network KPIs indicative of signal quality at the corresponding network device, and a network identifier of the corresponding network device; b. detecting a degradation in a section of the network based on the network quality information from one or more network devices (160, 164, 170) from the plurality of the network devices (140, 150, 154, 158, 160, 164, 170), wherein the section of the network comprises the one or more network devices (160, 164, 170); c. determining a geographical area associated with the section of the network based on the network quality information from the one or more network devices (160, 164, 170) in the section of the network; d. determining a route plan to be provided to an automated guidance vehicle based on the determined geographical area and network topology of the section of the network for covering the geographical area, wherein determining the route plan comprises determining a plurality of locations in the geographical area for covering the geographical area; and e. determining a location of the interference source based on measurements of the one or more network KPIs measured at the plurality of locations in the geographical area, from the automated guidance vehicle;