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133
UF-5500 / 4500
11.2.3.4. INFO CODE=021
"INFO CODE=021" means that the FAN does not run or the running of the FAN cannot be detected normally.
The running of the FAN is detected by IC300-AC20 and W24pin.
After repairing, copy. If “INFO CODE=021“ is displayed, check again.
After the LCD indicates "INFO CODE=021" , turn the power OFF/ON.
Replace the FAN.
Check IC300,
R530.
Does the Right
FAN run in the
FAN TEST: 4?
Check of the right FAN.
Is 22V output
from the
CN508-5pin?
Is 3.3V
supplied to the
IC504-3pin?
Check R508, R513, IC504,
Q512,R532, R529, Q510,
R525, R568, R505, R507
Is the pulse
output from the
CN508-6pin?
Check R569,
R570, C559, IC300.
INFO CODE=021
No
No
Yes
No
Yes
Yes
Yes
Replace the
Right FAN.
No
Replace the FAN.
Does the Left
FAN run in the
FAN TEST: 2?
Check of left FAN.
Is 22V output
from the
CN506-3pin?
Is the pulse
output from the
CN506-2pin?
INFO CODE=021
No
No
Yes
Yes
Yes
Replace the
Left FAN.
No
Check R521,
R531, C517,
IC300.
Check IC300,
R530.
Is 3.3V
supplied to the
IC504-3pin?
Check R508, R513, IC504,
Q512,R532, R529, Q510,
R525, R568, R505, R507
No
Yes
Summary of Contents for UF-4500
Page 180: ...180 UF 5500 4500 ...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Page 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Page 297: ...297 UF 5500 4500 ...
Page 305: ...305 UF 5500 4500 ...
Page 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Page 362: ...362 UF 5500 4500 ...