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58 — electricalc
®
Pro
APPENDIX E — ACCURACY/ERRORS, AUTO
SHUT-OFF, BATTERIES, RESET
aCCuRaCY/ERRORS
Accuracy/Display Capacity — Your calculator has an eight-digit
display. You may enter or calculate values up to 99,999,999. Each
calculation is carried out internally to 12 digits.
Errors — When an incorrect entry is made, or the answer is beyond
the range of the calculator, an error message will display. To clear
an error condition, press the
button once. At this point, you can
determine what caused the error and re-key the problem.
Error Codes
DISPLAY ERROR TYPE
OFLO Overow; answer too large to display
ENT Error Invalid entry
POWR Error Power Factor (PF) or Efciency (EFF) calcu-
lated above 100%
nonE Conduit Size beyond limits of table
Unable to calculate Voltage Drop Wire Size
(Amps/Length too high)
Temperature setting out of range for
Wire calculation
HP Error Invalid Horsepower entry per NEC table
FULL Error Entered or calculated more than 15 different
Wires Sizes
EROM Error Bad EPROM
MATH Error Math error (i.e., divide by zero)
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