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Appendix c common questions and answers – Maximum Summit User Manual

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9

Appendix C Common Questions and Answers

Q

What are the two push button switches for?

A

The two push button switches are only used with remotes that calculate Highs, Lows or
Averages. They are used on the remotes for setting the time of the built-in clock. See the
seperate remote instructions for details.

it does read this new value then the problem is either a
problem in the wires or a defective sensor.

No wind direction reading.

Wind direction sensor wiring.
Field Test: Unplug the AC adapter from the AC outlet.
Disconnect the wind direction sensor wires from the
terminal connector. Connect a jumper wire (a paper clip
will do), between terminals #1 and 3. Plug the AC
adpater back into the AC outlet. Watch the POST code
to make sure it indicates standard wind sensors (tem-
perature 100's digit = 1). If the POST code shows 0
(ice-free sensors) then the problem is in the indicator. If
the POST code is correct, wait for the instrument to
finish the boot sequence. You should get a reading of
NNE on the wind direction display. Next test the other
directions by moving the jumper wire to the following
positions. 2 to 3 = ESE, 4 to 3 = SSW, 5 to 3 = WNW.
If it does read these wind directions then the problem is
either in the wires or a defective sensor.

Temperature always reads -40°.

Temperature Sensor wires
Field Test: Disconnect the temperature sensor wires
from the terminal connector. Connect a jumper wire (a
paper clip will do) to the terminal connector. Plug the
terminal connector into the indicator. The temperature
should slowly climb to 122°F (50°C). If it does read
this new value then the problem is either an open circuit
in the wires or a defective sensor.

Temperature always reads 122°F (50°C).

Temperature Sensor wires
Field Test: Disconnect the temperature sensor wires
from the terminal connector. The temperature should
slowly drop to -40°. If it does read this new value then
the problem is either a short circuit in the wires or a
defective sensor.

The m/s units for wind speed won’t work even though the jumpers are set correctly.

Make sure that there is a terminal connector installed in
the ice-free direction terminals and, that the connector
has a jumper wire connecting terminals #1 and 2.