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Harbin jiajie property

Jiajie's elevator is not bad. It may be that the maintenance personnel usually don't maintain enough. All door lock contacts should be cleaned regularly, the position of pit tensioner switch should be adjusted, and the position of door knife and goal ball should be correct. The elevator stops suddenly during operation, and the motherboard has a fault record. Just follow the prompts. You can ask the property management company to discuss with the elevator company and appoint technicians with better skills to check.