187
E92
E92: User interface and Main Board protocol incongruence error
E92
Main board, User interface board defective.
Checks to perform:
E93
E93: Machine configuration error
E93
Main Control Board defective.
Checks to perform:
Replace the User Interface Board and repeat the Diagnostic Cycle to check for any further alarms.
WARNING
Check that all the connectors are correctly inserted.
WARNING
Check that all the connectors are correctly inserted.
Disconnect the connector J17(Main Control Board) which
connects Main Control Board and User Interface Board.
Does the E92 alarm appear again?
Replace the User Interface Board and repeat the
diagnostic cycle to check for any further alarms.
Check the wiring between the Main Control Board and the
User Interface Board.
• Detach and reconnect the connectors on both boards
several times.
• Check for the continuity of wiring between Main
Control Board and User Interface Board. Is the wiring
ok?
Replace the Main Control Board and repeat the Diagnostic Cycle to check for any further alarms.
Replace / Repair the wiring and repeat the diagnostic
cycle to check for any further alarms.
NO
Y
E
S
NO
Y
E
S