Panasonic KX-FT21BX Service Manual page 72

KX-FT21LA
(1) (2)
CODE RESULT
53 ERROR-NOT YOUR UNIT
(ERROR OTRA UNIDAD)
54 ERROR-NOT YOUR UNIT
(ERROR OTRA UNIDAD)
57 COMMUNICATION ERROR
(ERROR DE COMUNICACION)
58 COMMUNICATION ERROR
(ERROR DE COMUNICACION)
59 ERROR-NOT YOUR UNIT
(ERROR OTRA UNIDAD)
64 COMMUNICATION ERROR
(ERROR DE COMUNICACION)
68 COMMUNICATION ERROR
(ERROR DE COMUNICACION)
70 ERROR-NOT YOUR UNIT
(ERROR OTRA UNIDAD)
72 COMMUNICATION ERROR
(ERROR DE COMUNICACION)
FF COMMUNICATION ERROR
(ERROR DE COMUNICACION)
SND=TRANSMISSION
*Most fax communication problems can be resolved by the following steps.
1) Change the transmit level. (Service code: 596, refer to page 86.)
2) Change the TX speed/RX speed. (Service code: 717/718, refer to page 86.)
If the problem remains, see the next page.
(3)
MODE
TRANS DCN is received after transmission of NSC and DTC.
LECUP DCN is received after DIS transmission.
TRANS 300BPS error
LECUP DCN is received after FTT transmission.
TRANS DCN responds to a post message.
TRANS Polling is not possible.
LECUP No response at the other party after MCF or CFR is transmitted.
LECUP DCN is received after CFR transmission.
LECUP The carrier is cut when the image signal is received.
TRANS&LECUP
Modem error.
RCV=RECEPTION
SYMPTOM
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