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5 Set each of the eight switches in DIP SW-1 by pressing either ON LINE for
”on” or FEED for ”off”. As each switch is set to ON or OFF, printer prints the
selection. When switch 8 is set, printer once again prompts with “Continue?”
or “Write.” Press ON LINE switch to “Continue to SW-2.”
6 In same manner, set DIP switches for SW-2 and SW-3.
7 When SW-3 is finished, press FEED to select “Write.” Changes are written to
printer memory, and printer returns to ON LINE mode.
Troubleshooting
Troubleshooting Model 1027
Note: All eight SW-1 switches must be set to on or off before exiting.
Do not exit in the middle.
CAUTION: Never turn the printer power off while writing the new
settings to memory. When “Dip SW setting complete” is printed, turn
the power off.
Problem Probable Cause Recommended Action
Average measured
value is higher or
lower than
expected and a
change in hourly
readings occurred
mid-report
Count number of hourly measurements and
compare with number of hours Model 1027
was deployed. If number of hourly
measurements is greater than number of
hours deployed, memory was not properly
cleared before testing. Previous
measurements are being averaged in with
data from current test.
CLEAR memory and re-
test. See Set Up on
page 13.
Model 1027 has an
AVERAGE value,
but no CURRENT
value
Model 1027 has lost power recently, which
cleared CURRENT value. However
AVERAGE is maintained until it is
deliberately CLEARED.
Re-test.
“Index out of
bounds” message
displays after
pressing PRINT
Not enough data collected. Accumulate at least
three hours of data
before transferring to
computer.
Battery is dead Battery switch was left on when mains
power was removed and Model 1027
continued to monitor until battery was
depleted.
Replace battery.
Report states “NO
DATA” after a test
Model 1027 did not have power. • Re-test in location
with known reliable
power.
• Ensure battery is
fresh, battery switch
is ON, and POWER
LED is ON.
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