11 problems and anomalies (user) – Smeg CWC500R User Manual
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Finally, turn off the main switch and close the water supply faucet. The detergent and rinse-aid suction tubes will be 
placed back in the containers when the machine is ready to be put back in use, taking care so as not to invert 
the tubes (red tube = detergent; transparent tube = rinse-aid). 
 
Do not leave the device on, inactive and in disuse for long periods of time. 
 
 
11 PROBLEMS AND ANOMALIES (USER)
PROBLEM
POSSIBLE CAUSE
POSSIBLE REMEDY
THE LED POWER INDICATOR 
DOES NOT TURN ON 
There is no electrical current
Verify the electrical current connection.
THE WASH PROGRAM DOES 
NOT START
The dishwasher has not finished 
loading 
Wait for the
led indicator to
turn on 
 
POOR WASHING RESULTS
Sprinkler wash holes are clogged 
or encrusted 
Disassemble and clean the sprinklers 
(10.2 Periodic checks) 
Detergent or rinse-aid insufficient 
or not adequate 
Verify detergent type and quantity.
Plates / glasses poorly positioned
Arrange plates / glasses accordingly.
Low wash temperature
Verify the temperature shown on the 
display, if below 50°C call Assistance. 
Inadequate cycle setting
Increase the duration of the wash 
cycle, particularly if dishes are very 
dirty or contain partially dried residues. 
RINSE INSUFFICIENT
Sprinkler nozzles clogged
Calcium encrustations in the 
boiler
Verify the cleanliness of the nozzles 
and the correct function of any 
installed water softeners. 
GLASSES AND SILVERWARE 
ARE STAINED 
Rinse-aid inadequate or not 
dispensed correctly. 
Water is of a hardness level 
above 12°dF or contains many 
dissolved salts 
Verify the rinse-aid container and 
ensure its adequacy for use with the 
water supply. If the problem persists 
contact assistance. 
WATER IS PRESENT IN THE 
TANK AFTER DRAINING 
Drainage tube is positioned poorly 
or is partially blocked 
Verify that the dishwasher’s tube and 
drain are not blocked and that the 
drain is not in too high of a position; 
see the connection diagram. 
 
 
 
 
 
 
 
 
 
 
 
 
 
