
25
Mainstreet Equipment
User Manual
10. FAULTS AND TROUBLESHOOTING
The steps to be followed in the event of a fault or operating error are described below. The possible causes and
possible solutions are listed in the following table. In the event of doubt, or if you are unable to resolve the
problem, please contact the technical service.
DO NOT HANDLE ELECTRICAL COMPONENTS, AS THERE IS A RISK OF DEATH AS
THE COMPONENTS ARE LIVE.
FAULT
POSSIBLE CAUSE
SOLUTION
The machine does not come on.
There is no power supply.
Check whether the magneto-thermal circuit
breaker has been triggered.
The fuses have blown.
Call the technical service to analyze the reason why.
Main switch open.
Close switch.
The machine does not fill with water.
Water entrance valve closed.
Open the water valve
Rinse nozzles blocked.
Clean nozzles and check arms for build-up of lime.
Solenoid valve filter blocked.
Call the technical service to clean the filter.
Rinse pump faulty.
Call the technical service to replace the pressure
switch.
Pressure switch is broken.
Call the technical service to replace the pressure
switch.
Unsatisfactory wash.
Wash arms obstructed.
Clean arms thoroughly.
Shortage of detergent.
Call the technical service to reset the dispenser.
Dirty filters.
Clean the filters thoroughly.
Presence of foam.
Unsuitable detergent. Call the technical service to
supply correct detergent.
Too much rinse aid. Call the technical service to
reset the dispenser.
Temperature of lower tub at 50ºC/122ºF.
Thermostat faulty or incorrectly set. Call the
technical service to repair it.
Length of cycle too short for level of dirt on dishes.
Select a longer cycle.
Water too dirty.
Drain the wash tub and fill with clean water.
Dishes and kitchenware are not dry.
There is no rinse aid.
Fill the rinse aid container.
Rinse aid low.
Call technical service to adjust dispenser.
Dishes left inside dishwasher for too long.
When the dishwasher finishes, remove the basket
from the machine and allow to dry naturally.
Rinse temperature lower than 80ºC/176ºF.
Call technical service to analyze problem.
Scratches or stains on dishes.
Too much rinse aid.
Call technical service to adjust rinse aid dispenser,
Water too chalky.
Check water hardness.