Omega HH931T, Руководство пользователя

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Service Information
4-6
36. Press UUT to save the current alignment values and return the UUT to normal
operation.
Troubleshooting
OMEGA’s digital handheld thermometers are designed and built to provide years of
uninterrupted use. In the event the instrument malfunctions or does not perform as
expected, helpful troubleshooting tips are provided below. Figure 16 below lists some of the
more common issues and their resolutions.
S
YMPTOM
D
ESCRIPTION
R
ESOLUTION
Unexpected
reading on
Line 2 of
Display
Statistics View Mode is active
Press to cycle through
statistics views until active
measurement is displayed (see
Section 3.4 View Modes and
Statistics)
Unexpected or
Erroneous
Measurement
Probe offset is active
Set probe offset to correct value
for connected temperature probe
(see Section 3.10, Probe Offset)
Temperature probe has not
stabilized
Observe display trend indicators
and wait for stable measurement
(see Section 3.8 Trend Indicators)
Instrument is set to the wrong
thermocouple type for the
attached probe
Set the thermocouple type as
appropriate for the attached
probe (see Section 3.3, Setup
Menu)
When sourcing from a
thermocouple simulator, Open
Lead Detection is enabled.
See Section 3.11, Open Lead
Detection Enable/Disable to
disable.
Unresponsive
Hold Mode is active
Press , and verify that the
HOLD indicator is not active (see
Section 3.7, Hold Function)
Static discharge through
connected probes
Press to cycle instrument
power
Figure 16 continued on next page . . .