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Engineer's diagnostic handset - (AE4M280323)
An engineer's handset is available, this is mainly a temperature tester but also gives reference to a
selection of fault codes.
The handset gives temperatures in degrees Centigrade.
Using the engineers hand set:
A special handset is supplied to Aga Er7 engineers, as a diagnostic tool. This can be recognised by its
orange coloured trim. A red handset is available for the USA this will display the temperatures in
degrees Fahrenheit
It will show the serial number of the RF electronic unit to which it is connected and can then display
the temperatures of each heating zone as currently seen by the cooker's software.
The screen also confirms continuing communication with the cooker by means of arrows in top right
hand corner.
Battery condition is displayed in top left hand corner.
To 'handshake' and communicate to a particular cooker make sure the cooker is on standby or
turned on then press the '+' button.
The cooker serial number will then be displayed and you will be asked to confirm by pressing '+'
again.
Pressing buttons '1, 2, 3, 4, or 5' call up the specific zones as follows:
1. Boiling Plate
2. Simmering Plate
3. Roasting Oven
4. Baking Oven
5. Simmering Oven
Each zone has two thermocouples measuring temperatures and both values are shown. They should
normally be within about 2 degrees of each other. If there is an error present the code number will
also be displayed. It also displays any error codes relative to each zone and their explanations. If the
E button is pressed the engineer can scroll down the error codes.
Page 21 of 34
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