Smeg STU8642, STFABUBL1 Troubleshooting

Troubleshooting
What to do if
Fault
Possible cause
The no salt indicator light does not light up
There is still sufficient salt
Check the filling level The no rinse aid
indicator light does not light up
There is still sufficient rinse aid
Check the filling level and adjustment settings
Water stagnates at the bottom of the dishwasher
The water inlet pipe is twisted or crushed Check the pipe section
The drain syphon is clogged
Check the syphon to make sure it is not clogged, evenpartially
The filtering unit is clogged
Clean the filters as indicated in the manual
Cutlery not dry
Presence of water in the cavities of spoons or ladles
Cutlery (e.g. serving spoons) placed in the cutlery tray at the bottom of the rack or on the side foldable racks must be placed face down
Tea or lipstick residues on the tableware
Insufficient washing temperature
Select a program with a higher washing temperature
Insufficient or unsuitable detergent
Use suitable detergent and correct dosage
Incorrect positioning in the cutlery basket
Make sure the cutlery does not touch and overlap each other
It is wet inside the dishwasher
Condensation
The device is not defective. It is normal for condensation to remain on the internal walls
Change in colour of the plastic parts inside the tub
The plastic parts inside the dishwasher may fade with use
It is normal and does not
compromise the dishwasher’s
operation and efficiency
Troubleshooting
Fault
Possible cause
Solution
The no salt or rinse aid indicator light is on
No salt
Add salt
No rinse aid
Add rinse aid
The detergent distribution cover does not open completely since it is blocked by the tableware
The tableware must not protrude from the basket
The detergent distribution cover is blocked by the tab
The tab must be crosswise, not vertical
Detergent residues
Tab used in a short program during which the detergent does not have the time to dissolve
Use powder detergent or a stronger program
Detergent stored for too long or with the box open or a damp environment and loss of efficiency of the detergent, aged or lumpy
Replace the detergent.
Traces of rust on the
Cutlery not resistant to oxidation. The blades of knives are particularly sensitive.
Only use stainless steel cutlery
cutlery
Cutlery oxidises also if washed together with items that oxidise (handles of pots, knives that are already damaged, etc.)
Avoid washing parts that can oxidise
Very high content of salt in the washing water
Tighten the cap correctly of the water softener’s tank
Troubleshooting
Fault
Possible cause
Solution
The dishwasher does not start
The door does not close
Check the position of the locking teeth (D). If necessary, lift it from the plastic screw (V) in line with the teeth.
Troubleshooting
Fault
Possible cause
Solution
The dishwasher does not start
The door does not close
Check the condition of the locking hook:
if it has not clicked (N), the door opens and closes normally
if it has clicked (S), force the door closed until it resets, then open and close the door
The door does not close correctly
Check that there are no obstructions when closing the door (e.g. items protruding from the basket)
Sprayer operation is not detected
Rotation of the sprayers starts approximately 5 minutes after pressing start; it is a normal procedure of the washing cycle
Fault
Contact the authorised technical service department
Troubleshooting
Fault
Possible cause
Solution
The dishwasher does not start
No power
Check the main power supply. Check the power supply cable.
Tableware not dry
No rinse aid
Add rinse aid
A program that does not provide for final drying has been used
Refer to the programs table
Presence of water in the cavities
When loading, be careful of the position of the tableware, which must not be perfectly vertical, but oblique
The tableware has been removed too soon
Wait at least 20 minutes after the end of the program
Use of ecological rinse aid
Ecological products may be less efficient than traditional products
Plastic tableware
Plastic has a lower thermal accumulation; therefore, drying is rather difficult
The combined detergent used does not guarantee good drying results
Use a different type of combined detergent in order to obtain better drying results. Using traditional rinse aid improves drying.
Troubleshooting
Fault
Possible cause
Solution
Opaque class
Glass not resistant to washing in a dishwasher
Only use glass items that withstand mechanical washing.
Check the water softener’s
adjustment (if necessary, reduce the setting). Use a detergent that contains additives to protect glass
Water stains on parts or plastic tableware
The formation of water drops on plastic parts is inevitable. Consequently, water stains are visible after drying.
Use a stronger program. Place the tableware tilted so that the water can slide off easily. Use traditional rinse aid or increase the dosage. Increase the adjustment of the water softener.
Removable streaks on glasses, metal items and cutlery
Excessive rinse aid
Reduce the delivery of rinse aid
No rinse aid or adjustment too low
Add rinse aid or increase delivery
Detergent not efficient
Boxes of detergent must not be stored open for too long. The detergent looses its efficiency
Troubleshooting
Fault
Possible cause
Solution
Food residues on the
Tableware stacked too close, baskets too full
There must always be sufficient space between the tableware for the water jets to pass through. Avoid points of contact.
tableware
The sprayers do not turn
Be careful not to hinder rotation of the sprayers when loading
Clogged sprayer holes
Clean the sprayers as indicated in the manual
Dirty filters
Clean the filters as indicated in the manual
Filters inserted incorrectly or not blocked
Check and correct accordingly.
Washing program not suitable for the type of dirt
Identify the suitable washing program from the programs table
Combined detergent used with programs that are too short
Use powder detergent or a more powerful washing program
Insufficient detergent (if power detergent is used)
Increase the dosage of detergent used
Top basket not horizontal
The top basket must be used with the right and left side adjusted to the same level.
Troubleshooting
Fault
Possible cause
Solution
White coating in the tub or on the door
The substances contained in the detergent deposit themselves
Use a detergent for dishwashers. Wash the device manually. Change the detergent.
Incorrect adjustment of the water hardness (too low or too high)
Adjust the setting of the water softener. Change the detergent.
Salt tank cap not secured (saline solution that mixes with the washing water)
Tighten the salt tank cap correctly
Combined detergent or poorly effective bio/eco detergent
Use the specific option for combined detergents (if applicable) Adjust the softener system. Use separate products.
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