Manual Welby 91807 Ear and Forehead Thermometer (page 40 of 44) (English)

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Malfunction

Cause

Solution

Operating

temperature

exceeds the

valid range.

Please comply

with the operat-

ing conditions

(see page 42).

The

temperature

measurement

is inaccurate

and / or there

are doubts

regarding the

measurement

result.

Check if the

infrared sensor

is dirty.

Clean the

infrared sensor

(see page 36).

Check if the

device is used

according to the

instructions.

Please follow the

instructions

provided on how

to use the device

and on how to

achieve a correct

measurement

result!

Check if device

and patient have

been in the same

room for at least

30 minutes prior

to the measure-

ment.

Ensure that de-

vice and patient

have been in the

same room for at

least 30 minutes

prior to the

measurement.

The device is

used outdoors.

Only use the

device indoors.

You have held

the device in

your hands for a

longer period of

time.

Lay down the de-

vice on a table,

for instance, in

order to allow it

to adapt to the

ambient tem-

perature.

19.0 Malfunctions

MALFUNCTIONS

USA

19.PJN174-14_GA-USA_HHD-Ohrthermometer_DSO364_28.07.14

Montag, 28. Juli 2014 14:37:40

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Welby 91807 Ear and Forehead Thermometer Manual

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