Cma uc50e Manuale Proprietario
Operatation
MODEL UC50e INSTALLATION & OPERATION MANUAL Rev. 1.00
Page
7
3.4.
Troubleshooting.
PROBLEM
LIKELY CAUSE
SOLUTION
The machine does not start
On-Off push button is turned off
Turn on
On-Off push button
main water valve is closed
Open main water valve
The spray arm nozzles or the solenoid filter is
clogged and/or caked with lime deposits
clogged and/or caked with lime deposits
Clean the rinsing arm nozzles, the pipes and the
filter. If the machine has a water purifier
check the salt content or regenerate more
often
filter. If the machine has a water purifier
check the salt content or regenerate more
often
The machine does not draw
water
water
Faulty pressure switch
Replace the pressure switch
The washing nozzles are clogged or the washing arms
do not rotate
do not rotate
Unscrew and clean the nozzles and the rotation
shaft, refit them correctly in their seats
shaft, refit them correctly in their seats
Detergent concentration too low
Use non-foaming detergent or use less of same
detergent
detergent
Fats or starches are not removed
Detergent concentration too low
The filter is too dirty
Remove the filter, clean it with a brush under running
water and refit in its seat
water and refit in its seat
Check the tank temperature (it must be about 150°F -
65,5°C)
65,5°C)
Adjust the thermostat or check correct heating
element operation
element operation
Length of washing cycle inadequate for type of grime
build-up
build-up
Choose a longer cycle if possible, otherwise repeat
wash cycle
wash cycle
Unsatisfactory washing results
Wash water too dirty
Empty water from the tank, clean filters; refill the tank
and correctly refit the filters
and correctly refit the filters
Insufficient rinse aid
Increase the amount of rinse aid by turning the screw
on the dispenser
on the dispenser
The rack is unsuitable for the glasses and dishes
Use a suitable rack enabling the dishes to be tilted so
water can run off
water can run off
The dishes have been too long in the tank
As soon as the wash cycle is finished, pull the rack out
immediately, allowing the air to dry the glasses and
dishes more quickly
immediately, allowing the air to dry the glasses and
dishes more quickly
Rinse water temperature is less than 180°F (82°C)
Check the temperature of the booster thermostat
Glasses or dishes are not
completely dried
completely dried
Surface of dishes and glasses too rough or porous for
material wear
material wear
Replace type of dishes and glasses used
Too much rinse aid
Decrease the amount of rinse aid by turning the fine-
adjustment screw on the dispenser
adjustment screw on the dispenser
Check the water hardness
The water is too hard
Water should not be harder than 5-10 °f
Streaks and spots on glasses
and dishes
and dishes
Salt present in dishwasher tank
Thoroughly clean and rinse the appliance, and avoid
spilling salt when filling the container
spilling salt when filling the container
The machine is connected to an overloaded circuit
Connect the machine separately (call the Technical
Assistance service)
Assistance service)
The machine suddenly stops
during the cycle
during the cycle
A safety device has been activated
Check safety devices (call the Technical Assistance
service)
service)
Water from the previous day has not been replaced
Empty the tank and refill it
The tank water temperature is too high
Faulty pressure switch
Have the Technical Assistance service check the
thermostat and the pressure switch
thermostat and the pressure switch
During wash cycle the machine
stops and draws water
stops and draws water
The overflow tube is incorrectly positioned
Remove the overflow tube and correctly reposition it