Firmware Versions; Manual Defrost; Show Room Mode - Electrolux E23CS75DSS0 Service Manual

54
Section C - Electronic Control System
NOTE
The Ambient Thermistor is mounted on and part
of the lower control board.

Firmware Versions

Test 34 - What software is on the
control boards.
NOTE
34 is the last test. 34 will not show in the display.
1 - System Parameters
Example of what will show in display one
letter at a time: JFE000112
2 - Cofirming the lower control board
Example of what will show in display one
letter at a time: 00004049
3 - The software on the lower control board
Example of what will show in display one
letter at a time: JFE401N (N looks like an H
in the display)
4 - Confirming the upper control board (UI user
inner face board)
Example of what will show in display one
letter at a time: EFAC000N (N looks like an H
in the display)
5 - The software on the UI board
Example of what will show in display one
letter at a time: EF_C0009E
NOTE
It is normal for the control to count up in seconds
after testing is completed until the test model is
canceled.
Power Failure light will come on after testing is
canceled, this is normal.

Manual Defrost

To enter the manual defrost mode press and hold
the FF up and FF down at the same time for 6
seconds this will advance the control into a
normal defrost cycle.

Show Room Mode

To enter the Show Room Mode press and hold the
Fresh Food down and the Freezer up pad at the
same time for 6 seconds. A power on reset (POR)
will be necessary to exit the Show Room Mode.
NOTE
A POR means you unplug the product for three
minutes and then plug it back in again.
If the service mode is activated while the product
is in the show room mode this will cancel the
Show Room Mode and the product will enter
Service Mode. After exiting Service Model the
product will go in to normal operation mode not
back in to Show Room Mode.
If the Manual Defrost is activated while the
product is in the show room mode the displays
will work as normal but the heater will not turn on.