Maintenance
C9900-G05x30 Version: 1.0
6 Maintenance
CAUTION
Risk of electric shock
Working on the push-button extension when live can lead to electric shock.
• Turn off the supply voltage before cleaning the device or replacing device components.
Maintenance measures increase the efficiency of the device by ensuring long-term functionality.
Repair
Only the manufacturer may repair the device. If a repair should be necessary, contact Beckhoff Service (see
chapter 9.1 Service and support [}33]).
Cleaning
NOTE
Unsuitable cleaning agents
The use of unsuitable cleaning agents can damage the device.
• Clean the device only as specified.
The following cleaning agents and materials are unsuitable for use with the device:
• corrosive cleaning agents
• thinners
• scouring agents
• hard objects
Clean only the housing of the device. Use a soft, moist cleaning cloth for this.
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