Troubleshooting – Blakeslee UC-20 User Manual
Page 13

12
TROUBLESHOOTING
Problem
Possible Cause
Corrective Action
Dishwasher does not run
Main power off
Check breaker panel
Dishwasher does not fill
Main water off
Open supply valve
Rinse nozzles clogged
Clean rinse nozzles
Solenoid filter clogged
Clean filter
Lime build-up
De-Lime rinse line
Defective pressure switch
Replace pressure switch
Indicator light flashing and/or error code
is displayed on screen
See error codes
Poor wash results
No detergent supplied
Add detergent supply
Ware loaded incorrectly
Load ware correctly
Clogged spray arms
Clean spray arms
Detergent dispenser defective
Contact factory
Wash water dirty
Drain and refill tank
Insufficient wash time
Select a longer wash mode or repeat
cycle
Low water temperature
Contact factory
Foam developing
Use a low suds detergent or reduce the
amount of rinse aid by adjusting the
dispenser screw
Clogged sump filter
Clean sump filter
Streaks and spotting on
dishes and glasses
Too much rinse aid being dispensed
Reduce the amount of rinse aid by
adjusting the dispenser screw
Water too hard
Contact detergent representative
Clogged rinse nozzles
Clean rinse nozzles
Insufficient flow pressure
Increase incoming flow pressure to
20-25 psi