TM 5-6675-317-14
Section III
OPERATOR MAINTENANCE
6-8. LUBRICATION INSTRUCTIONS. This equipment does not requi re lubrication.
6-9. TROUBLESHOOTING PROCEDURES.
a.
The table lists the common malfunctions which. You may find during the opera-
tion or maintenance of the pocket calculator or its components. You should perform
the tests/inspections and corrective actions in the order listed.
b.
This manual cannot list all malfunctions that may occur, nor all tests and
corrective actions.
If a malfunction is not listed or is not corrected by listed
corrective actions, notify your supervisor.
Table 6-2. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
CALCULATOR DISPLAY IS BLANK.
Step 1.
Plug in ac adapter/recharger. Turn calculator on.
(a) If display of zeros comes on, proceed to step 2.
(b) If display is blank, replace adapter/recharger.
(c) If problem remains, replace calculator.
Step 2.
Check for raised decimal point at far left corner of display.
Indicates low power condition.
(a) If indicator is on, proceed to step 3.
(b) If indicator is off, recharge battery pack.
Step 3.
Check to see if contacts are dirty.
(a) Clean contacts on inside of calculator and battery pack with cotton
swab (Item 6, Appendix E) moistened with alcohol (Item 3, Appendix
E).
(b) Replace battery pack. Open battery pack door. Remove defective
battery pack.
Install new battery pack.
Reinstall battery pack door.
6-35
