Welch Allyn SureTemp 670 Spécifications télécharger pdf (Page 38)

Technical Manual

5-6 Welch-Allyn, Inc.

70898-0000A

Troubleshooting Table (continued)

SYMPTOM POSSIBLE CAUSE PROCEDURE

Battery Life Problems Excessive alarms

Excessive use in monitor

mode

The horn draws significant current.

During monitor mode the instrument is

continously drawing current.

Dead cell If cell voltage is down significantly in

only one cell, this battery is defective.

All batteries should drain at the same

rate.

First set shelf life Due to possibly long stocking times

between fabrication and end use, the

first set of batteries may have reduced

life.

Cal Key doesn’t activate

thermometer

Probe switch not also

activated

When the cal key is connected the

display must read CAL

for two

seconds and then blank. The probe

shaft must be inserted and removed

from the probe well to activate the

probe switch.

Cal Key shows OrL,

rEC, or ALy

Defective Cal Key Replace Cal Key.

Monitor mode

temperature reading too

low

Probe malfunction Change probe.

Test calibration of entire system

(instrument and probe) with the M9600

Calibration Tester.

Instrument malfunction Check calibration with Cal Key.

Improper placement of

probe

Probe must be under the tongue and

as far back as possible into the

sublingual pocket.

Temperature not stable. Allow three minutes for Monitor mode

reading to stabilize in mouth.

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Welch Allyn SureTemp 670 Spécifications Page 38

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