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Chapter5 Maintenance Checklists
F3SJ-A
User’s Manual
Checklists
Maintenance Checklists
Perform daily and 6-month inspection for the F3SJ. Otherwise, the system may fail to work properly, resulting
in serious injury.
Do not try to disassemble, repair, or modify this product. Doing so may cause the safety functions to stop
working properly.
To ensure safety, keep a record of the inspection results.
When the user is a different person from those who installed or designed the system, he/she must be properly
trained for maintenance.
Checklists
Inspection at Startup and When Changing Operators
There is no approach route other than through the detection zone of the F3SJ.
Part of the operator's body always remains in the detection zone of the F3SJ when working around
the machine's hazardous part.
The actual safety distance is equal to or greater than the calculated value.
There must be no dirt on or damage to the optical surface, spatter protection cover (F39-HJ, sold
separately), or environment-resistant casing (F39-EJ, sold separately) of the F3SJ.
OFF output indicator must be turned ON when test input line is short-circuited to 9 to 24V.
When muting function is used, muting lamp must not be clear due to dirt or degradation.
The test rod is not deformed.
When the power of the F3SJ is turned ON while nothing is in the detection zone, power indicator and
ON output indicator must turn ON within 2 seconds (2.2 seconds in case of series connection).
Nothing should exist in the detection zone and 5 incident light level indicators must turn ON at power
on.
The test rod is detected when it is moved around in the detection zone as shown in the diagram below.
In other words, when a test rod is inserted into the detection zone, all 5 incident light level indicators
turn OFF, and the OFF output indicator turns ON.
Use an appropriate test rod based on the type code for inspection.
Confirm that hazardous parts should stop while the machine is operating, as shown below.
When muting function is used, installation condition of muting sensor must not be changed.
When muting function is used, muting status can be checked from where a worker operates or adjust
the machine.
Neither connector, cap, or bracket must be loose.
Start
Stop
Courtesy of CMA/Flodyne/Hydradyne ▪ Motion Control ▪ Hydraulic ▪ Pneumatic ▪ Electrical ▪ Mechanical ▪ (800) 426-5480 ▪ www.cmafh.com
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