WARNING
Maintenance during continued operation in a hazardous area
There is a risk of explosion when carrying out repairs and maintenance on the device in a
hazardous area.
● Isolate the device from power.
- or -
● Ensure that the atmosphere is explosion-free (hot work permit).
8.3
Maintenance and repair work
WARNING
Impermissible repair of the device
● Repair must be carried out by Siemens authorized personnel only.
WARNING
Humid environment
Risk of electric shock.
● Avoid working on the device when it is energized.
● If working on an energized device is necessary, ensure that the environment is dry.
● Make sure when carrying out cleaning and maintenance work that no moisture penetrates
the inside of the device.
8.3.1
Replacing the display
8.3.1.1
Remove existing display
To remove display for wiring or to replace a damaged display, follow steps below:
1. Turn lid by hand in a counter-clockwise direction to remove it from device.
2. Remove display by gently turning the display a quarter turn counter-clockwise, to free it
from the enclosure.
3. Pull up to disconnect display cable from connector. The display is now free to lift out of
enclosure.
(Dispose of a damaged display according to local regulations.)
Service and maintenance
8.3 Maintenance and repair work
SITRANS Probe LU240 with mA/HART
44
Compact Operating Instructions, 10/2018, A5E42673704-AB
