165910 Dew Point Meter 8072A Manual
15
June 2014
Monitor reads -40
when turned on and doesn’t
change
Possible Cause
Corrective Action
Sensor cable disconnected
Disassemble the monitor and
make sure sensor cable is
plugged into the 2 pin insert.
Sensor broken or missing
Unplug the sensor cable and
short the cable pins together
with a jumper wire. Turn
monitor on and check for +15
q
F
on display. If so, the sensor
needs replaced.
Circuit board defective.
Unplug the sensor cable and
short the cable pins together
with a jumper wire. Turn
monitor on and check for +15
q
F
on display. If display stays at -
40
q
, the monitor needs factory
service.
Summary of Contents for 8072A
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