6.7
Thermocouple Replacement
Disconnect the product from the power supply. Remove the appropriate
panel to gain access to the thermocouple connections. Make a note of the
thermocouple connections.
Thermocouple cable colour codings are:
Thermocouple leg
Colour
positive (type K)
green
negative
white
Undo any clips holding the thermocouple. Remove the air guide from the oven
chamber. Disconnect the thermocouple from its terminal block. Unscrew the
compression fitting inside the chamber and pull the thermocouple into the chamber.
Cut through the thermocouple behind the olive and remove the two parts. Loosely
assemble compression fitting with a new ferrule. Feed in new thermocouple through
from the back. Tighten the compression fitting. Refit the air guide. Bend the
thermocouple to match the shape of the previous part and refit any clips.
Refit the element access panel.
Compression fittings are only fitted to moisture extraction and stoving and curing
products. If fitted, ferrules need replacing.
6.8
Solid-State Relay Replacement
Disconnect the product from the power supply and remove the
appropriate cover as given above.
1. Make a note of the wire connections to the solid state relay, then disconnect them.
2. Remove the solid state relay from the base panel or aluminium plate.
3. Replace and reconnect the solid state relay ensuring that the bottom of it has good
thermal contact with the base panel or aluminium plate.
4. Replace the access panel.
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