HITEC HITECH HMI Maintenance: HITEC HITECH HMI resolves common faults, black, black and white, the video, the touch screen does not respond or is slow to respond (bad touch), the contents of confusion, can not enter the system interface, no backlight, backlight dark, backlit no characters, no communication, no response buttons; HITECH HMI common Hitec series: PWS1711 series, 1760 series, 3260 series, 500 series, 6000 series HITEC HITECH HMI common models: PWS6600C-N, PWS6600C-P, PWS6600C-S, PWS6600S-N, PWS6600S-P, PWS6600S-S, AP1600C, PWS6620S, PWS6800C, PWS6A00F-P, PWS6A00T-N, PWS1711-CTN, PWS1760-STN, PWS3261-DTN, PWS3261-FTN, PWS3261-TFT, PWS3260-DTN, PWS3260-FTN, PWS3260-TFT, PWS3760-DTN, PWS3760-TFT, PWS3160-FTN other maintenance process: Step One: Ask the user equipment failure; the second step: According to the user's fault description analyze the causes of this failure; third step: Open in need of repair equipment, make sure the device is damaged, analyze the feasibility of recovery of maintenance; fourth step: work based on the location of the device is damaged, view and analyze the circuit works, to find out the cause of damage to the device; Step five: contact with customers, reported on the repair price, solicit customer service advice; Part VI: Looking for the original model to replace the device; Part VII: The following equipment failure confirmed cases are excluded, energization test. Maintenance Features: enterprise maintenance operation, to provide ongoing support services, free checking, lines confirm the maintenance price, the customer acceptance and then for maintenance, fast, excellent price