TM5-6675-326-14
Table 8-2.
Operator Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
CALCULATOR DISPLAY IS BLANK.
Step 1.
Plug in ac adapter/recharger.
Turn calculator ON.
If display of zeros comes on, go to step 2.
I f d i s p l a y i s b l a n k , r e p l a c e a d a p t e r / r e c h a r g e r.
If problem remains, replace calculator.
Step 2.
Check for raised decimal point at far left corner of
d i s p l a y.
Indicates low power condition .
I f i n d i c a t o r i s o n , g o t o s t e p 3 .
I f i n d i c a t o r i s o f f , r e c h a r g e b a t t e r y p a c k.
Step 3.
Check to see if contacts are dirty.
Clean contacts on inside of calculator and battery pack
with cotton swab (item 18, appendix E) moistened with
a l c o h o l.
Replace battery pack.
Open battery pack door.
Remove
defective battery pack.
Install new battery pack .
Match positive contact to positive, and negative
contact to negative .
Reinstall battery pack door .
2.
CALCULATIONS OR DISPLAY ERRATIC.
Step 1.
Check for raised decimal point at far left corner of
d i s p l a y.
Indicates low power condition.
Recharge battery pack.
Replace battery pack (malfunction 1, step 3).
Replace calculator.
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