M2250 Failure Codes - Nortel Meridian M1250 Description

M2250 failure codes

Table 4
M2250 failure codes (Part 1 of 2)
Printed
Failure
circuit
code
pack (PCP)
40H UIP
20H UIP
10H UIP
08H UIP
09H UIP
0AH UIP
0BH UIP
A failure code appears on the display in response to the detection of a
hardware fault.
Refer to Table 4 for an explanation of failure codes and possible solutions.
Reason
The PSG, U13, is not
responding.
The RTC, U16, is faulty.
The RAM IC, U1, is faulty.
A key in column A is stuck.
A key in column B is stuck.
A key in column C is stuck.
A key in column D0 is
stuck.
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 it gives an indication of
which component has failed.
Same as for 40H.
Same as for 40H.
Unplug the line cord.
Free the key if it 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.
Attendant Consoles Description
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