Electrolux EDW5505E Service Manual - Page 87

Communication error, Tank temperature low, Boiler temperature low

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Electrolux EFS - Dishwashing Systems Platform Electrolux Professional Electronic Dishwasher SERVICE MANUAL D Alarms that don't stop the functioning, but suggest to call the service E 1 E 2 E 3 Communication error Is the connection between main board and control panel correct? Are the connectors correctly connected? Are connector contacts clean? Tank temperature low Does the tank heating element work properly? Are the connectors correctly connected? Are the dishwasher feed voltage and current correct? Is the relay RL5 on the board disconnected or faulty? Boiler temperature low Does/do the boiler heating element/s work properly? Are the connectors correctly connected? Does the possible remote control switch connected to the heating element work correctly? Is there power at the remote control switch input terminals? Does relay RL2 on the board work properly? CAUTION: IF THERE IS A MALFUNCTION ON RELAY RL2 AND THE BOILER HEATING ELEMENTS ARE FED BY MEANS OF A REMOTE CONTROL SWITCH, THE BOARD DOES NOT HAVE TO BE REPLACED; JUST MOVE THE BOILER HEATING ELEMENT CONNECTOR TO ONE OF THE TWO FREE POSITIONS ON THE BOARD. CAUTION: WHEN ONE BRANCH OF THE HEATING ELEMENT DOES NOT WORK AND THE OTHER TWO CONTINUE TO FUNCTION, ON REACHING THE SET TEMPERATURE VALUE, ALARM 3 DISAPPEARS AND REAPPEARS IN THE SUBSEQUENT RINSE PHASE. THIS ALSO OCCURS WHEN A PHASE IS MISSING. DOC. NO. 5956.446.06 ©Copyright 2005 by Electrolux Professional P.87/88

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Electrolux
EFS – Dishwashing Systems Platform
Electrolux Professional
Electronic Dishwasher
SERVICE MANUAL
DOC. NO. 5956.446.06
©Copyright 2005 by
Electrolux Professional
P.87/88
D
Alarms that don't stop the functioning, but suggest to call the service
E 1
Communication error
Is the connection between main board and control panel correct? Are the connectors correctly
connected?
Are connector contacts clean?
E 2
Tank temperature low
Does the tank heating element work properly?
Are the connectors correctly connected?
Are the dishwasher feed voltage and current correct?
Is the relay RL5 on the board disconnected or faulty?
E 3
Boiler temperature low
Does/do the boiler heating element/s work properly?
Are the connectors correctly connected?
Does the possible remote control switch connected to the heating element work correctly?
Is there power at the remote control switch input terminals?
Does relay RL2 on the board work properly?
CAUTION:
IF THERE IS A MALFUNCTION ON RELAY RL2 AND THE BOILER HEATING
ELEMENTS ARE FED BY MEANS OF A REMOTE CONTROL SWITCH, THE BOARD DOES
NOT HAVE TO BE REPLACED; JUST MOVE THE BOILER HEATING ELEMENT CONNECTOR
TO ONE OF THE TWO FREE POSITIONS ON THE BOARD.
CAUTION:
WHEN ONE BRANCH OF THE HEATING ELEMENT DOES NOT WORK AND THE
OTHER TWO CONTINUE TO FUNCTION, ON REACHING THE SET TEMPERATURE VALUE,
ALARM 3 DISAPPEARS AND REAPPEARS IN THE SUBSEQUENT RINSE PHASE. THIS ALSO
OCCURS WHEN A PHASE IS MISSING.