Switching off the periodic signal tone after termination of a heating
programme
Switch on the heating block while pressing and holding down the
Y - key. In the upper display the following appears: [bu22]. In the lower
display, the Y - key can be used to deactivate the periodic signal tone
upon termination of a heating programme. At the end of a heating pro-
gramme, only 2 long signal tones will then be heard.
3.
Displays and Troubleshooting
HIGH:
Selected temperature < actual temperature of the heating block - see
chapter 2.3.
StOP:
Initiation of a programme stop - see chapter 2.4.
Err1, Err2 and Err3:
Internal error - switch off the heating block, then switch on the block
again, if error is displayed again, contact MACHEREY-NAGEL.
Err4:
Temperature deviation > 4 °C - confirm with W - key and restart pro-
gramme.
Err5 and Err6:
Error thermo sensor - confirm with W - key and restart programme, if
error is displayed again, contact MACHEREY-NAGEL.
Err7:
Error heating element - switch off the heating block, then switch on the
block again, if error is displayed again, contact MACHEREY-NAGEL.
Err8:
The automatic overtemperature protection is activated. After activation,
switch off the heating block and allow to cool down. Then switch on the
block again, the overtemperature protection is automatically reset. If
this error happens frequently, contact MACHEREY-NAGEL.
Err9:
Error T-Set – Pull out the plug and plug it in again, if error is displayed
again, contact MACHEREY-NAGEL.
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