TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 501 of 855

TM 9-2350-277-20-1

NO POWER FROM CURBSIDE UPS POWER EXTENSION BOX A19 (M1068A3

ONLY)—Continued

0099 00

T

1.

Remove cable W252 plug P1 (1) from UPS Power Extension Box

A18 jack J1 (2).

2.

Remove cable W252 plug P2 (3) from UPS Power Extension Box

A19 jack J15 (4).

3.

Measure resistance between pins of plugs P1 (1) and P2 (3) of

cable W252 as follows:

P1 pin A to P2 socket A

P1 pin B to P2 socket B

P1 pin C to P2 socket C

4.

Does multimeter read 0 ohms for each measurement?

YES

NO

TN

1.

Replace cable W252 (WP 0857 00).

2.

Verify no faults found.

0099 00-2