DATAPAQ TP3 Troubleshooting 63
Do one of the following:
• With a full set of thermocouples attached to the logger, and the logger
connected to a PC running Insight, open the Logger Reset dialog (p. 41)
or the Diagnostic section of the Communications Setup dialog (p. 40); this
shows current probe temperatures – or...
• Set up the system as if to monitor a profile run using hardwired telemetry
(see p. 55 for details), and note the temperatures registered by the
thermocouples as they are displayed in Insight – or...
• To test the thermocouples alone, use a digital thermometer (of a type to
match the thermocouple type) and attach it to each thermocouple in turn.
Proceed as follows.
1. Note readings first at ambient temperature: thermocouples registering no
data in Insight, or an open circuit with a digital thermometer (*OC* in the
Communications Setup dialog), may be broken. Inconsistent readings may
indicate an intermittent short circuit.
2. If a satisfactory ambient reading is recorded, apply heat to the
thermocouple-tip via fingers or other heat source. An increased
temperature should register.
○ If the reading does not change, the thermocouple is short circuit or has
other damage and must be replaced.
○ If the temperature shows a decrease, the thermocouple connections are
reversed.
3. Confirm correct operation at 100°C/212°F by placing the thermocouple-tip
in freshly-boiled water.
4. Replace any damaged thermocouples and test again.
Printing Problems
• Check correct printer selected: on menu bar, select File > Printer Setup.
• Check printer cable connections.
Datapaq Service Department
If you cannot resolve your problem, please contact your nearest Datapaq
Service Department at Fluke Process Instruments. For contact details, see
www.flukeprocessinstruments.com – or email as follows:
Europe, Asia (except China), Africa, Australasia – datapaqservice@
flukeprocessinstruments.co.uk
China – service@flukeprocessinstruments.com.cn
Americas – auto-rma-us@fluke.com
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