Electrolux EDW5505E Service Manual - Page 82

Electrolux EFS - Dishwashing Systems Platform Electrolux Professional Electronic Dishwasher SERVICE MANUAL 13. ALARM MESSAGES AND TROUBLESHOOTING A Alarms that stop the dishwasher A 1 Want of water Is the water cock open? Does the water load solenoid valve work? Is the water feed flow a min. of 5 l/min? Is the water inlet filter clean? Is the load solenoid valve filter clean? Is the overflow inserted? Is the main board (ATM-PRES) CN2 connector correctly positioned? Do the tank/boiler pressure switches work properly? B Alarms that don't stop the dishwasher B 1 B 2 Drain not efficient Has the overflow been removed? Is the water drain blocked? Is the drain pump blocked? Are the air trap and tank pressure switch clean? Is there a constriction in the drain tube? Is the pump breather pipe returning to the tank clogged or constricted? Does the tank pressure switch work properly? Is there a hole in the drain tube (only for versions with drain pump)? Overflow alarm Is the water drain blocked? Are the air trap and tank pressure switch clean? Does the tank pressure switch work properly? Is the load solenoid valve blocked? (E1 - LOAD_EV) Is the load solenoid valve relay stuck? (RL8 - LOAD_EV) DOC. NO. 5956.446.06 ©Copyright 2005 by Electrolux Professional P.82/88