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Service and maintenance
8.1
Basic safety notes
The device is maintenance-free. However, a periodic inspection according to pertinent
directives and regulations must be carried out.
An inspection can include, for example, check of:
• Ambient conditions
• Seal integrity of the process connections, cable entries, and cover
• Reliability of power supply, lightning protection, and grounds
NOTICE
Penetration of moisture into the device
Damage to device.
• Make sure when carrying out cleaning and maintenance work that no moisture
Releasing button lock
Improper modification of parameters could influence process safety.
• Make sure that only authorized personnel may cancel the button locking of devices for
42
penetrates the inside of the device.
CAUTION
safety-related applications.
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 09/2021, A5E42673704-AE
8
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