DOC. NO. 5956.65J.00 P. 159 / 174
EFS - Dishwashing Systems Platform
Electrolux Professional
12 USER INTERFACE AND MAIN BOARD CONNECTORS
12.1 MAIN MALFUNCTIONS NOT DUE TO THE MAIN BOARD
12.2 CONNECTORS LAYOUT
KEY
CN1 Rinse pump/wash pump/solenoid valve outputs
CN2 Pressure/atmospheric dishwasher solenoid valve connection
CN3 Detergent/rinse aid dispenser and drain pump outputs
CN5 Tank/boiler temperature sensor inputs
CN8 Energy peak controller input
CN12 User interface inputs/outputs
CN15 Overflow/tank level/board feed input
CN16 User interface inputs/outputs and hood/door sensor input
The display shows with door/hood closed
Check door/hood micro/sensor
No cycle starts
Check the user interface buttons (have they remained
pressed? etc.)
A cycle fails to start Is a user interface button extension missing?
After replacing the main board only the 3
rd
cycle starts
The main board is still configured for LS5/WT4.
Cycle time longer than that foreseen
Does the boiler work?
Is the feed water at 50°C?
Noisy wash pump (only on HT and PP versions) Check the current for single phase during operation.
LAYOUT 1 ZHTA / AHTA / EHTA
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