General-tools-and-instruments CMM880 Manuel d'utilisateur télécharger pdf (Page 10)

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Power on but no display. Check the

battery are in place and making good

contact or correct polarity , replace a

new battery or attach optional AC

adaptor for the weak battery caused.

No Display. Make sure battery is not

empty , if the display disappear ,

check sleep mode is active. Refer to

the Disable sleep mode function for a

long time using the measurement.

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Screen flashing. Battery low , the

batteries need to be replaced.

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Er 1, Er 3 ,E r 4 . Circuit error , return

the unit to the store for repairing.

See Fig.L as an example.

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Er 2 . Improper calibration; Probe

managed.

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Er 5. Sensor damaged, send back

the unit to the store you bought for re

-pairing , Humidity reference needs

to be changed.

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The meter x 1

Battery x 2 (AAA size )

Operation manual

Gift /plain white box x 1

This package contains:

Fig. L

MATERIAL SUPPLIED

9

TROUBLESHOOTING

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