4. Troubleshooting
► Error Code
U2–6121
U2–6122
U2–6123
► Error message
LSU Failure #U2-6121: Turn off then on.
LSU Failure #U2-6122: Turn off then on.
LSU Failure #U2-6123: Turn off then on.
► Symptom
LSU motor does not operate or it operates abnormally. Motor ready signal is abnormal.
► Troubleshooting method
CAUTION
Before unplugging the LSU harness, the machine must be turned off and power cord must be removed.
1) Turn the machine off then on. Check for the LSU motor operation sound during warm-up.
2) Print a demo page to check that the machine operates normally.
3) If the problem persists, check the following :
a) If the LSU motor makes a sound,
i) Enter SVC mode to check the LSU motor ready signal.
(
Diagnostics > Engine Diagnostics > Engine Test Routines
)
ii) Select “LSU Motor1 Run Ready”. (
Diagnostics > Engine Diagnostics > Engine Test Routines >
110-0000
)
iii) Press ‘Start’ button. Check that the status has changed to ‘Executing -> Low -> High’.
iv) If the status has not changed, the motor ready signal is abnormal. Replace the LSU. (
JC97-04010A
) (
Refer
to 3.3.5. LSU in chapter 3
)
b) If the LSU motor does not makes a sound,
i) Turn the machine off and open the side cover. Unplug and reconnect the LSU cable. Check that the LSU
motor make a sound after turning the machine on.
Copyright© 1995-2017 SAMSUNG. All rights reserved.
4-227
Содержание MultiXpress X4 Series
Страница 84: ...2 Product Specifications and Description 2 68 Copyright 1995 2017 SAMSUNG All rights reserved ...
Страница 150: ...3 Disassembly and Reassembly 7 Release the reverse roller Assy 3 20 Copyright 1995 2017 SAMSUNG All rights reserved ...
Страница 189: ...3 Disassembly and Reassembly 7 Remove the scan glass Copyright 1995 2017 SAMSUNG All rights reserved 3 59 ...
Страница 193: ...3 Disassembly and Reassembly 9 Reassemble the scan glass Copyright 1995 2017 SAMSUNG All rights reserved 3 63 ...