TM 5-6675-323-14
Section III OPERATOR MAINTENANCE
1 3 - 8 . L U B R I C A T I O N I N S T R U C T I O N S . This equipment does not require lubrication.
a . The table lists the common malfunctions which you may find during the opera-
t i o n o r m a i n t e n a n c e o f t h e p o c k e t c a l c u l a t o r o r i t s c o m p o n e n t s . Y o u 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 13-2. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
CALCULATOR DISPLAY IS BLANK.
S t e p 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.
Check for raised decimal point at far left corner of display.
S t e p 2.
Indicates low power condition.
(a) If indicator is on, proceed to step 3.
(b)
If
indicator
is
off,
recharge
battery
pack.
Check to see if contacts are dirty.
Step 3.
(a) Clean contacts on inside of calculator and battery pack with cotton
s w a b (Item 6, Appendix E) moistened with alcohol (Item 3, Appendix
(b) Replace battery pack. Open battery pack door. Remove defective
Install new battery pack. Reinstall battery pack door.
battery pack.
