Table 2-4. MCS Alphanumeric Error Messages, Ring Configuration

TM11-5830-263-20&P

Table 2-4. MCS Alphanumeric Error Messages, Ring Configuration

MCS ALPHANUMERIC

ERROR DESCRIPTION

CORRECTIVE MEASURE

DISPLAY

"err2"

MCS cannot store radio access 1. Recycle power on MCS.

data in program memory.

2. If message still appears,

replace defective MCS.

Any one of the following:

MCS not receiving

1. Recycle power on MCS.

acknowledgment of signal from 2. If "C u", "D u", "E u", "F u", "Cu,

"A u" through "F u"

MCS radio channels A and/or B

Du", or "Eu, Fu" is displayed,

or from RITs for radio channels

replace defective RIT.

Any one of the following pairs

C, and D, or E, and F.

3. If "A u", "B u", or "Au, Bu" is

"Au/Bu", "Cu/Du", or "Eu/Fu"

displayed, replace defective

MCS.

Single "X u"

MCS not receiving

1. Recycle power on MCS.

acknowledgment of signal from 2. If message "Xu" appears,

"X u Y c"

FFCS "X".

replace defective FFCS "X".

Where X is the numbered

address setting of the FFCS and

Y is either the numbered

address setting of another

FFCS or the alphabetic

designation of a radio interface.

"X c"

MCS previously displayed "X u" 1. Recycle power on MCS.

from FFCS "X" which now

2. If fault message appears,

Where X is the numbered

acknowledges the MCS signal.

replace defective FFCS "X".

address setting of the FFCS

"r u"

Ring is unconnected.

1. Recycle power on MCS.

2. If message still appears,

perform ring unconnected

flowchart, figure 2-52.

"X u" and "r u"

MCS not receiving

1. Recycle power on MCS.

acknowledgment of signal from 2. If message still appears,

Where X is the numbered

FFCS "X" and ring is

replace defective FFCS "X".

address setting of the FFCS

unconnected.

Multiple "X u" messages and

MCS not receiving

1. Recycle power on MCS.

"ru"

acknowledgment signals from 2. If message still appears,

FFCSs "X" and/or RITs, and ring

replace defective MCS.

Where X is the numbered

is unconnected.

address setting of the FFCSs

and/or radio channel letters

Multiple "X u" messages

MCS not receiving

1. Recycle power on MCS.

acknowledgment signals from 2. If message still appears,

Where X is the numbered

FFCSs "X" and/or RITs.

perform multiple unconnected

address setting of the FFCSs

FFCSs/RITs flowchart, figure

and/or radio channel letters

2-53.

2-60