Panasonic KX-FT57E Service Manual ▷ View online
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49
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KX-FT57E
TROUBLESHOOTING GUIDE
Turn ON the FAX monitor func-
tion and have the receiver trans-
mit the data.
tion and have the receiver trans-
mit the data.
Is the FAX signal
sound (post message) heard
after the image data is
received?
Ask the service section of the
sender's FAX machine to confirm
the machine's condition.
sender's FAX machine to confirm
the machine's condition.
Does an error
(error code=48) still occur?
(error code=48) still occur?
(Receive Complete)
Decrease the RX speed.
Do error lines exist on the
received document?
received document?
RTN is transmitted.
PIN is transmitted (to PRI-Q).
PIN is transmitted.
PIN is transmitted (to PRI-Q).
PIN is transmitted.
Try again.
Perform the communication test
using the LOOP simulator and
check the machine's reception
condition.
using the LOOP simulator and
check the machine's reception
condition.
Is the data facsimiled
correctly?
correctly?
Modem test
(TEST CODE NO.554)
(TEST CODE NO.554)
Turn ON the FAX monitor func-
tion and have the receiver in
question transmit the data
again.
tion and have the receiver in
question transmit the data
again.
Does the communication
error "code 49" occur?
error "code 49" occur?
NO
End
NO
NO
NO
NO
YES
YES
YES
YES
YES
7
No post message
8
6.1
7.1
7.1
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KX-FT57E
Perform the communication test
using the LOOP simulator and
check the machine's reception
condition.
using the LOOP simulator and
check the machine's reception
condition.
Reception is complete when the T1 TIMER has expired.
Is the data facsimiled
correctly?
correctly?
Modem test
(TEST CODE NO.554)
(TEST CODE NO.554)
Confirm if the receiver's FAX
machine was set to the receive
mode.
machine was set to the receive
mode.
Turn ON the FAX monitor func-
tion and have the receiver in
question transmit the data
again.
tion and have the receiver in
question transmit the data
again.
Is communication OK?
Is the
FAX signal sound
heard after the image data
is received?
YES
End
YES
YES
NO
NO
NO
9
6.1
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KX-FT57E
TROUBLESHOOTING GUIDE
Confirm if a mechanical problem
occurred, e.g. transmission was
interrupted or the document was
out of place, or on the receiver
side (being polled).
occurred, e.g. transmission was
interrupted or the document was
out of place, or on the receiver
side (being polled).
DCN is received after the transmission of NSC and DTC.
Was it a mechanical
error as mentioned above?
error as mentioned above?
Ask the receiver to set the poll
mode again and perform polling.
mode again and perform polling.
Ask the service section of the
receiver's FAX machine to
confirm the machine's condition.
receiver's FAX machine to
confirm the machine's condition.
Confirm if a mechanical problem
occurred, e.g. the caller inter-
rupted the transmission.
occurred, e.g. the caller inter-
rupted the transmission.
Was it a mechanical
error as mentioned above?
error as mentioned above?
Have the caller transmit the data
again.
again.
Ask the service section of the
caller's FAX machine to confirm
the machine's condition.
caller's FAX machine to confirm
the machine's condition.
Check the modem peripherals
hardware.
hardware.
300BPS error
Modem error
Modem error
YES
YES
NO
NO
10
11
12
DCN is received after DIS transmission.
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KX-FT57E
Confirm if a mechanical problem
occurred, e.g. the caller inter-
rupted the transmission.
occurred, e.g. the caller inter-
rupted the transmission.
Was it mechanical error as
mentioned above?
mentioned above?
Was it a mechanical error as
mentioned above?
mentioned above?
Perform voice communication
with the NG receiver.
with the NG receiver.
Ask the receiver to set the
receiver's FAX machine to the
receive mode and communi-
cate again.
receiver's FAX machine to the
receive mode and communi-
cate again.
Check if the line was not inter-
rupted by noises or cross
talk. If not, wait until the line
is able to perform correct com-
munication.
rupted by noises or cross
talk. If not, wait until the line
is able to perform correct com-
munication.
Ask the caller to transmit the
data again.
data again.
Confirm if a mechanical problem
occurred, e.g. the receiver inter-
rupted the reception.
occurred, e.g. the receiver inter-
rupted the reception.
DCN responds to post message.
DCN is received after FTT transmission.
There is no response at the other party after MCF or
CFR is transmitted.
DCN is received after CFR transmission.
There is no response at the other party after MCF or
CFR is transmitted.
DCN is received after CFR transmission.
NO
YES
YES
NO
13
14
6.1
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