Internal Com - Electrolux T5130 Service Manual

Troubleshooting
84

INTERNAL COM.

40:1 I/O BOARD MISHMASH
The error code is activated if wrong I/O board is adressed to wrong position in the machine.
After addressing of I/O boards the CPU reads the type of board in every position. If there is a
mishmash between what the CPU reads and what the software expect on any address the error
code will be displayed.
Readdress all I/O boards. Use the electric schematic to find correct I/O board to address.
40:2 I/O INTERLOCK
The program unit has read from the I/O board that the interlock is not active.
The reason for interlock failure can be a problem with the hatch lock, damaged motor supply cables
or the I/O board with interlock voltage etc. The most probable error source is the I/O board.
40:21 I/O COMMUNICATION
The error code is activated if the CPU no longer communicate with one or more I/O boards.
There is an internal data bus between the different I/O boards in the machine with information
about inputs, outputs, etc. that the CPU use to control the machine. The error code is activated if
the CPU has lost communication with one or more I/O boards. The error will also be activated if
the service button is pressed on the wrong I/O board during configuration of I/O boards. If there
is communication between the I/O board and CPU the LED next to the service button will flash.
If there is no communication to the I/O board but power, the LED will light when the button is
pressed on the I/O board.
Check that all I/O boards are configured in I/O CONFIGURATION menu when the machine is
in service mode.
If all I/O boards present in the list check the LED and harness, connectors and functions by reading
the electrical schematic.