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Error messages – Heidolph MR Hei-End User Manual

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41

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Error messages

Note

If an error message appears, start by resetting the instrument: switch it

off and unplug it from its AC power outlet. After a few seconds, plug the

instrument back in and switch it on.

Error message

Description

Remedy

hot plate sensor break

Defective hotplate sensor

Service required, please
contact your laboratory
equipment dealer

hot plate sensor shorted

Short circuit in hotplate
sensor

Service required, please
contact your laboratory
equipment dealer

safety sensor break

Defective hotplate safety
sensor

Service required, please
contact your laboratory
equipment dealer

hot plate safety sensor
shorted

Short circuit in hotplate
safety sensor

Service required, please
contact your laboratory
equipment dealer

hot plate sensor difference
>15°C

Excessive temperature
difference, hotplate sensor

Service required, please
contact your laboratory
equipment dealer

external sensor break

Defective external sensor

Replace external sensor

external sensor shorted

Short circuit in external
sensor

Replace external sensor

external safety sensor break

Defective external safety
sensor

Replace external sensor

external safety sensor
shorted

Short circuit in external
safety sensor

Replace external sensor

external

sensor difference >15°C

Excessive temperature
difference, external sensor

Replace external sensor

set safety

T

safety temperature
exceeded

Measurement within
reaction: indication of
exothermal reaction.
Controlled system too slow:
Increase safety
temperature

triac IDxx

Triac error

Service required, please
contact your laboratory
equipment dealer