202
UF-5500 / 4500
11.3.1. Information Codes: 400, 420
CROSS REFERENCE:
START
400
END
END
Enable the monitor
speaker. (Refer to Sect.
5.1 Parameter No. 008)
Does the remote unit
repeat the 300 bps
signal every 3 sec.?
1. Refer to
Sect. Communications.
2. Check the remote unit.
(Remote unit is defective)
(Remote unit is defective)
2. Check the telephone
1. Check the remote unit.
number to the remote unit.
Perform a transmission
test to the remote unit in
question.
Does the remote unit
send the CED and 300
bps Fax signal ?
Is transmission to the
reference unit successful?
Replace the MAIN PCB.
Does the trouble still occur?
Yes
Yes
Yes
No
No
No
Yes
No
START
420
END
2. Check the remote unit.
1. Misdialed call.
(Remote unit is defective)
3. Refer to
Sect. Communications.
Check the line
connection from the wall
jack to the "Line" on the
MAIN PCB.
Is reception from a
reference unit
successful?
Replace the MAIN PCB.
Yes
No
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 ...