Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1 ST2 ST3 ST4
F51
(Starting Position
Sensor error)
41
00
00
00 The Starting Position Sensor
does not work correctly.
1. Remove the dust on the Starting Position
Sensor.
2. Execute
Key / Sensor
and
Sensor
Sensitive Level
tests on Sec. 9.3.6. to
check the sensor condition.
3. Check the connection between CN502
(STARTING POSITION SENSOR Board)
and CN512 (RELAY (FRONT) Board).
4. Check the STARTING POSITION
SENSOR Board.
Check point: IC502 - 3
rd
pin
·
Approx. 4V (when IC502’s LED is ON)
5. Replace the faulty cable.
6. Replace the IC502 or STARTING
POSITION SENSOR Board.
The Starting Position Sensor
LED’s control circuit does not
work correctly.
1. Restart the scanner to check whether the
same error message appears.
2. Remove the dust on the Starting Position
Sensor.
3. Execute
Key / Sensor
and
Sensor
Sensitive Level
tests on Sec. 9.3.6. to
check the sensor condition.
4. Check the connection between CN516
(RELAY (FRONT) Board) and CN1001
(CONTROL Board).
5. Check the RELAY (FRONT) Board.
Check point: Q502 - B, E
·
Q502 - B (when IC502’s LED is ON):
Approx. 4V
·
Q502 - E (When IC502’s LED is ON):
Approx. 3.4V
6. Check the CONTROL Board.
Check point: Q1022 - B
·
0.6V or more
7. Replace the faulty cable.
8. Replace the RELAY (FRONT) Board.
9. Replace the CONTROL Board.
75
KV-S2025C Series / KV-SU225C Series / KV-S2045C Series / KV-SU245C Series
Summary of Contents for KV-S2025C
Page 96: ...96 KV S2025C Series KV SU225C Series KV S2045C Series KV SU245C Series ...
Page 114: ...KV S2025C Series KV SU225C Series KV S2045C Series KV SU245C Series 114 ...
Page 116: ...14 1 Exterior 116 KV S2025C Series KV SU225C Series KV S2045C Series KV SU245C Series ...
Page 118: ...14 2 Chassis and Base 118 KV S2025C Series KV SU225C Series KV S2045C Series KV SU245C Series ...
Page 120: ...14 3 Hopper Unit 120 KV S2025C Series KV SU225C Series KV S2045C Series KV SU245C Series ...
Page 122: ...14 4 Power Unit 122 KV S2025C Series KV SU225C Series KV S2045C Series KV SU245C Series ...