Chapter 7 Maintenance SuZhou Eshine Elevator Components Co., Ltd.
―54― YS-K01 Door Controller User Manual
Chapter 7 Maintenance
• Only a trained and qualified professional person can maintain the controller.
• Maintenance personnel should take off all metal jewellery before carrying out maintenance or
internal measurements in controller. Suitable clothes and tools must be used.
• High voltage exists when t controller is powered up or running.
• Checking and maintaining can only be done after controller’s AC power is cut off. And wait for at
least 10 minutes if maintain the cover.
• For the controller stored for more than 2 years, please use voltage regulator to increase the input
voltage gradually.
• Do not leave metal parts like screws or pads inside the controller.
• Do not make modification on the inside of controller without instruction from the supplier.
• There are IC components inside the controller, which are sensitive to static electricity. Directly touch
the components on the PCB board is forbidden.
7.1 Daily Maintenance
Some unexpected accidents may occur during operation. Therefore you should maintain
controller conditions according to the Table 7-1, record the operation data, and investigate
problems immediately.
Table 7-1 Daily checking items
Items Content Criteria
Operating
environment
Temperature and humidity -10－+40℃, derating at 40－50℃
Dust and water dripping No water dripping
Gas No strange smell
Controller
Oscillation and heating
Stable oscillation and proper
temperature
Noise No abnormal sound
To Next Page