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STERO UNDERCOUNTER DISHWASHER & GLASSWASHER
TROUBLESHOOTING
This section outlines various symptoms and possible causes that may be encountered in the event of abnormal
machine operation. If symptoms persist after possible causes have been checked, service may be required.
Symptom
No machine operation (no display).
No machine operation (with display).
Dishes not clean.
Spotting of silverware, glasses, or
dishes.
Chemicals not feeding.
Food soils remain in dishwasher.
Appearance of rust in machine.
1. Machine OFF – turn machine ON.
2. Blown fuse or circuit breaker off at power supply.
3. Cord not plugged in (corded models only)
1. Display: "DOOR OPEN" – open and close door. If problem persists,
contact your local service provider.
2. See "Machine will not fill or will not fill high enough".
1. Strainers clogged causing inadequate water supply to pump – clean
according to instructions. (See CLEANING.)
2. Obstruction in wash arm(s) or wash arms will not turn – clean according
to instructions. (See CLEANING.)
3. Wash and/or rinse arms will not turn – check that they spin freely.
4. Detergent dispenser may be clogged.
5. Soil quantity – scrape dishes before cycle.
6. Improper rack loading. (See PREPARATION.)
7. Low water – check water supply.
8. Water temperature too low – note wash temperature on display during
WASH; should be above 120°F for chemical sanitizing machines and
above 150°F for high temperature machines.
9. Incoming water supply turned off.
1. Improperly loaded racks.
2. Water temperature too low.
3. Improper type or concentration of detergent – contact your chemical
representative.
4. Hard water – install a water softener; use a rinse agent.
5. Insufficient fill – check water supply.
1. Low on chemicals – check levels.
2. Air leak at feeder hose connections – check insertion of quick connect
fittings and wire ties at tube to tube connections.
3. Tubes kinked – check for smooth bends.
Follow daily cleaning instructions. (See CLEANING.)
1. Ensure steel wool is not used to clean machine.
2. May be due to high iron content in water supply.
Possible Causes
Need help?
Do you have a question about the SU-L and is the answer not in the manual?
Questions and answers
My machine keep showing add detergent but this all ready full
The STERO SU-L machine may keep showing "add detergent" even when full because the machine does not sense the chemical during the priming operation. This can happen if the delivery tube standpipe is not fully inserted into the bottom of the detergent container. Also, if the detergent was not sensed within three consecutive priming attempts, the indicator will continue to flash. Check that the detergent bottle is not empty and that the delivery tube is properly positioned.
This answer is automatically generated
code a 4 chiffre pour redemarage du savon dans le lave vaisselle STERO SU SERIES