05/2014
2-128
DC SC2020
2.2.3 Other Failure FIP
Version 1.1
Troubleshooting
2.2.3.3 +24VDC Power FIP
BSD-ON:CH1.2,CH1.1
Procedure
Turn ON the power. Is the voltage between LVPS J501-5(+) and GND(-), +24VDC?
YN
Is the voltage between LVPS J510-1 and J510-3, 220-240VAC?
YN
Proceed to 2.2.3.1 AC Power FIP.
Turn the Power OFF and remove LVPS J501. After 15 s or longer has passed, turn ON the
machine. Is the voltage between LVPS J501-5(+) and GND(-), +24VDC?
YN
Replace the LVPS. (PL 18.3)
Check the +24VDC circuit for a short circuit in the frame by referring to Chapter 7 Wiring Data.
Check the circuit to the applicable component for an open circuit or poor contact by referring to Chapter 7
Wiring Data.