Information Codes: 404, 405, 407 - Panasonic DF-1100 Service Manual

4.3.3 Information Codes: 404, 405, 407

START
Is communication with reference
unit successful?
Change Function Parameter #10:
Reduce Tx Attenuation Level
No
Does the problem still occur?
Change Function Parameter #17:
Reduce Tx Modem Speed
No
Does the problem still occur?
Change Function Parameter #25:
Communication Startup to 2nd
Does the problem still occur?
No
Yes
Yes
Check the telephone line condition.
Yes
Yes
No
END
1. Replace the LCE PCB.
2. Replace the FCB PCB.
Does the problem still occur?
Yes
Check the remote unit.
(Recording paper may have run
out or paper may have jammed.)
Does the problem still occur?
Yes
Refer to Sect. 4.6.
Troubleshooting
No
END
No
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