Amprobe TMD90A Dual-Input-Digital-Thermometer Instrukcja Użytkownika Pobierz pdf (Strona 13)

Troubleshooting

Problem Solution

Thermometer does not turn

on.

• Check battery voltage and

replace discharged battery.

• Verify that battery clips grip

the battery post tightly.

Dashes appear in the T1 and

T2 data screens.

• Insert missing

thermocouple.

Dashes appear in T1 and/or T2

data screens with

thermocouples inserted.

• Measure resistance of

thermocouples to ensure

they are not broken

internally.

• Clean the thermocouple

and restart.

Temperature drifts from a

known value in a controlled

environment

• Verify that thermocouple

type matches the displayed

icon.

• Clean and dry the

thermocouple blades and

allow to air dry.

• Confirm temperature with a

known good thermocouple.

Replace the defective

thermocouple if required.

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Amprobe TMD90A Dual-Input-Digital-Thermometer Instrukcja Użytkownika Strona 13