Accessibility, electrical connection
The plastic cap of the electrical boxes is opened using a
screwdriver.
NOTE
The cover for the input card is opened without
a tool.
Removing the cover, input circuit board
1. Push the catch down.
2. Angle out the cover and remove it.
Removing the cover, immersion heater circuit board
1. Insert the screwdriver (A) and pry the catch carefully
downwards (B).
2. Angle out the cover and remove it.
Removing the cover, base board
Caution
To remove the cover for the base board, the
cover for the input circuit board must first be
removed.
1. Disconnect the switches using a screwdriver.
2. Insert the screwdriver (A) and pry the catch carefully
downwards (B).
3. Angle out the cover and remove it.
53Chapter 7 | Component replacementF1245