SDKELI BLPS-D3L - Section6 Troubleshooting; Fault Analysis

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Section6 Troubleshooting
!
WARNING
Do not disassemble, repair, or modify this product. Otherwise, BLPS may not realize its
safety function and will lead to serious injuries.
6.1 Fault analysis
If an error is detected, BLPS enters lockout state, the output of OSSD keeps OFF-state. The
fault indicators on the emitter and receiver turn on. After the error is removed, only though
re-power can release the lockout state.
The fault analysis is as followed：
●—ON ○—OFF
Phenomenon
Cause
Solution
Without power source
Check the power source and wiring
circuits
Receiver fault
Change the Receiver
OSSD short circuit
Check the wiring circuit
Light beam L1 is not good
for light
Refocus
Dirty clear surface
Wipe the launch with a clean, soft
cotton yarn Light hole surface of
receiver and Receiver
Receiver fault
Change the Receiver
Light beam L2 is not good
for light
Refocus
Dirty clear surface
Wipe the launch with a clean, soft
cotton yarn Light hole surface of
receiver and Receiver
Receiver fault
Change the Receiver
Light beam L3 is not good
for light
Refocus
Dirty clear surface
Wipe the launch with a clean, soft
cotton yarn Light hole surface of
receiver and Receiver
Receiver fault
Change the Receiver
No red light from the emitter
window
Emitter fault
Change the Emitter
Receiver fault
Change the Receiver
The line between the
Emitter and the Receiver is
faulty
Maintenance circuit