6
Service and troubleshooting
6.1
Safety messages
Instructions and procedures in this section may require special precautions to ensure the
safety of the personnel performing the operations. Information that potentially raises
safety issues is indicated by a warning symbol ( ). Refer to the following safety messages
before performing an operation preceded by this symbol.
WARNING
Failure to follow safe installation and servicing guidelines could result in death or
serious injury.
Ensure the level switch is installed by qualified personnel and in accordance with
applicable code of practice.
Use the level switch only as specified in this manual. Failure to do so may impair the
protection provided by the level switch.
The weight of a level switch with a heavy flange and extended fork length may exceed 37
lb. (18 kg). A risk assessment is required before carrying, lifting, and installing the level
switch.
Repair, e.g. substitution of components, etc. may jeopardize safety and is under no
circumstances allowed.
WARNING
Explosions could result in death or serious injury.
Verify the operating atmosphere of the level switch is consistent with the appropriate
hazardous locations certifications.
Before connecting a handheld communicator in an explosive atmosphere, ensure the
instruments are installed in accordance with intrinsically safe or non-incendive field wiring
practices.
In explosion-proof/flameproof and non-incendive installations, do not remove the housing
cover when power is applied to the level switch.
The housing cover must be fully engaged to meet flameproof/explosion-proof
requirements.
Reference Manual
Service and troubleshooting
00809-0100-4030
March 2022
Rosemount 2120 Level Switch
55
Summary of Contents for Rosemount 2120
Page 1: ...Reference Manual 00809 0100 4030 Rev GA March 2022 Rosemount 2120 Level Switch Vibrating Fork ...
Page 4: ...4 ...
Page 8: ...Introduction Reference Manual March 2022 00809 0100 4030 8 Reference Manual ...
Page 14: ...Level switch overview Reference Manual March 2022 00809 0100 4030 14 Reference Manual ...
Page 32: ...Mechanical installation Reference Manual March 2022 00809 0100 4030 32 Reference Manual ...
Page 81: ...Reference Manual 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 81 ...