Table 2-1. TroubleshootingContinued

TM 5-6675-250-34

Table 2-1. TroubleshootingContinued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

CHECK FOR BAD POWER SOURCE

Figure 2-2. Check for a bad-power source.

b. Depress the PRESS TO TEST switch, verify that the test meter pointer is positioned between 22 and 33 VDC

on the upper meter scale. If the reading is leas than 22 VDC, the battery on AC-DC converter must be replaced.

c. If AC-DC-converter is being used, check for a bad fuse.

(1) Unscrew the cap on the fuse holder (fig. 2-3) and remove the fuse.

IF AC/DC CONVERTER IS BEING USED.

TS 006242

Figure 2-3. Removing AC-DC converter fuse.

(2) Test fuse for continuity with an ohmmeter.

2-3