M1250 Failure Codes - Nortel Meridian M1250 Description

M1250 failure codes

Table 3
M1250 failure codes (Part 1 of 2)
Failure code Reason
20 H The 6818 RTC, U6, is faulty.
10 H The RAM IC, U10, is faulty.
08H A key in column A is stuck.
09H A key in column B is stuck.
0AH A key in column C is stuck.
0BH A key in column D0 is stuck.
0CH A key in column D1 is stuck.
0DH A key in column D2 is stuck.
A failure code will appear on the display screen in response to the detection
of a hardware fault. Refer to Table 3 for an explanation of failure codes and
possible solutions.
Attendant console operation
What to do
Unplug the line cord and plug it in again. If the
failure code still appears, there is an electrical
fault in the console, and it should be returned.
Note: Log the failure code with the returned unit, as
the code gives an indication of which component has
failed.
Same as for 20H.
Unplug the line cord. Free the key that is stuck.
Plug in the line cord. If the failure code still
appears, the console is faulty and should be
returned.
Same as for 08H.
Same as for 08H.
Same as for 08H.
Same as for 08H.
Same as for 08H.
Attendant Consoles Description
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