Panasonic Panafax DX-2000, Service Manual

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418 RCV C Receiver transmitted PIN in response to PRI-Q
from transmitter. (Transmitting operator
requests voice contact) Line quality is poor. (There are excessive
errors in received data)
FCB PCB or LCU PCB are defective.
420 RCV B T1 timer (35 sec.) elapsed without detecting 300
bps signal. Incorrect type of incoming call.(non-facsimile
communication)
Transmitter is defective.
FCB PCB or LCU PCB is defective.
421 RCV B Busy Tone is detected after sending NSF Signal. Remote station disconnects the line.
Wrong number is dialed.
422 XMT B Content of NSF (or DIS) or NSC (or DTC) was
invalid. There is an incompatibility.
427 G3 RCV B DCN received to NSF/CSI/DIS transmitted. The interface is incompatible.
433 XMT
RCV B, D T.30 Protocol abnormal. Defective remote station.
434 XMT or RCV B CD (response from Modem) did not turn OFF
within 180 sec. after receiver detected FLAG
signal. Remote unit is defective.
FCB PCB or LCU PCB is defective.
436 G3 RX C DCN received after transmitting FTT. Transmitter is defective or incompatible.
Line quality is poor.
456 RCV B Received relay transfer request or confidential
document to distribute to a end receiving station
or all confidential mailboxes are used.
457 RELAYXMT
CONF.XMT/
POLL B Remote unit does not have Relayed XMT or
Confidential Comm. capability.
459 RCV C Failed training in Phase C. Line quality is poor. (Training signal is distorted
due to line noise)
FCB PCB or LCU PCB are defective.
490 RCV C Sum of error line exceeded the limit (Parameter
70) by 64 lines. Line quality is poor.
FCB PCB or LCU PCB are defective.
494 RCV C Interval between two EOLs was more than 10
sec. when receiver received message data. Transmitter is defective.
Line quality is poor. (EOL is damaged due to
line noise)
FCB PCB or LCU PCB are defective.
495 XMT/RCV C During reception, CD turned OFF or continued
ON for long time.
During communication, lost loop - current. Line is disconnected.
Transmitter is defective.
FCB PCB or LCU PCB are defective.
496 XMT C CS of modem is not able to turn ON. FCB PCB is defective.
501 XMT/
RCV(V.34) B Remote unit’s Modem is not compatible.
502 XMT/
RCV(V.34) B, C, D During reception, CD turned OFF or continued
ON for long time.
During communication, lost loop - current. Line is disconnected.
Transmitter is defective.
FCB PCB or LCU PCB are defective.
503 XMT/
RCV(V.34) B, C, D CS of modem is not able to turn ON during
training. FCB PCB is defective.
Line is disconnected.
504 RCV/V.34
(Polling) B Polling is rejected from the remote station. No polling document is set.
505 XMT/V.34
(Polling) B Polling XMT is rejected. No polling document is set.
540 XMT ECM B No response after transmitting 3rd CTC or DCN
received. Incompatible interface.
541 XMT ECM D No response after transmitting 3rd EOR or
received DCN. Line is faulty.
LCU PCB abnormal.
542 XMT ECM D No response to the 3rd RR transmitted or
received DCN. Remote unit is abnormal.
543 XMT ECM D T5 timer (60 sec.) elapsed without MCF. Remote unit is abnormal.
544 XMT ECM D Stopped Transmission after EOR Transmission. Line is faulty.
LCU PCB abnormal.
550 RCV ECM C Timer between frames in phase C has elapsed. Defective remote station.
554 RCV ECM D Transmitted ERR after receiving EOR. Faulty line.
555 RCV ECM D Transmitted PIN after receiving EOR. Faulty line and Operator Call requested by RX
side.
570 RCV B Password or machine code did not match during
remote diagnostic communication.
571 XMT B Remote unit did not have the remote diagnostic
function.
580 XMT B Sub-address transmission to a unit that has their
DIS bit 49 (NSF bit 155) OFF. Sub-address transmission to a unit that has no
Sub-address function.
Information Codes
Code Mode Phase Description of Problem Cause