LSK 1500/1550 User Manual, March 2021
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© 2017 Global Payments Inc.
CONFIDENTIAL
Error Code
CDU Error Code Description and Diagnostics
1. Check 1st CST for its home position.
2. Check cable from MAIN B/D to 1st CST for damage or loose connector.
3. Replace cassette.
4. Replace Main B/D.
C004E
2nd cassette not detected
1. Check 2nd CST for its home position.
2. Check cable from 2nd feed module B/D to 2nd CST for damage or loose connector.
3. Check cable from 2nd feed module B/D to main B/D for damage or loose connector.
4. Replace cassette.
5. Replace Main B/D.
C004F
More than 65 seconds passed at dispensing
1. Perform CDU ROM Version Check.
1 CST CDUU11V normal
2 CST CDUU21V normal
3 CST CDUU31V normal
4 CST CDUU41V normal
2. Replace Main B/D.
C0050
Power failure during dispense
1. Check power cable for damage or loose connector.
2. Replace Main B/D.
3. Replace Main Power Supply.
C0051
Dispense of more than 150 notes requested
Check to see if more than 150 notes are requested.
C0052
1st CST exit sensor (I) blocked after dispensing
1. Check sensors RIGHT/LEFT for blockage.
2. Check to ensure sensor is working properly.
3. Check cable from sensor to main B/D for damage or loose connector.
4. Measure sensor voltage <transmitter normal range of 1~3V>.
Normal range of 50~250 mV at empty
Normal range of 2~5 V when blocked
5. Replace Inlet sensor when the voltage is not in the normal range.
6. Replace Main B/D.
C0054
Double note detected
1. Check to ensure notes are not sticking together.
2. Check gears inside cassette for debris between gears.
3. Check rollers inside cassette for damage.
4. Check note exit slit for sticky surface.
5. Replace cassette.
6. Replace Main B/D.
C0056
Reject gate failure