Mainstreet Equipment 541HTUC30 User Manual Download Page 25

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.

Summary of Contents for 541HTUC30

Page 1: ...ndercounter Dishwasher Model 541HTUC30 Pleasereadandkeeptheseinstructions Indooruseonly Code12316911 Revised 09 22 9900857 CONFORMS TO UL STD 921 CERT TO CSA STD C22 2 N 168 9900857 CONFORMS TO STD NS...

Page 2: ...TION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH READ THE INSTALLATION OPERATION MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS EQUI...

Page 3: ...9 1 6 Stopping the wash cycle and end of wash cycle 21 9 1 7 Drainage of the machine 21 9 1 8 Switching off the machine 23 9 1 9 Cleaning the machine at the end of the day 23 9 2 Cleaning and Maintena...

Page 4: ...and injuries The dishwasher should be correctly leveled and care taken to ensure that none of the electric cables water or drainage hoses are trapped or kinked DO NOT climb on top of the dishwasher or...

Page 5: ...r Manual 3 GENERAL MEASUREMENTS AND CONNECTIONS Undercounter Dishwasher 541HTUC30 A B C D E F G Water Inlet Drain Hose Power Supply Cable Strain Relief Connection Strip Inside Rinse Aid Inlet Detergen...

Page 6: ...6 Mainstreet Equipment User Manual 4 QUICK STARTUP GUIDES 8...

Page 7: ...7 Mainstreet Equipment User Manual 5 ELECTRICAL DIAGRAMS...

Page 8: ...H2 H3 Cycle Light RC Boiler Heating Element H4 Power On Light RT Tank Heating Element HC Boiler temperature Display S1 S2 S3 Program Cycle Push button HT Tank Temperature Display S4 ON OFF Push butto...

Page 9: ...es should the data plate be removed from the unit The data plate is essential to identify the particular features of your machine and is of great benefit to installers operators and maintenance person...

Page 10: ...23 5 8 24 13 16 32 11 16 14 3 16 20 x 20 MODEL WASH PUMP MOTOR HEATING ELEMENTS OPERATING CYCLE TIME s WASH TANK kW BOILER kW WASH DWELL RINSE TOTAL Undercounter 541HTUC30 3 4 hp 3 3 101 5 14 120 MODE...

Page 11: ...ne and check for damage during transportation If any damage is observed immediately notify the supplier and the transport company In the event of doubt do not use the machine until the problem has bee...

Page 12: ...d near to the appliance between the power supply and the appliance in accordance to required consumption guidelines Switch the circuit breaker to OFF when servicing the appliance It is recommended tha...

Page 13: ...0 ppm mg L Free Chlorine Less than 0 2 ppm mg L Total Dissolved Solids TDS Less than 60 ppm Chlorides Less than 30 ppm mg L Sulfates Less than 40 ppm Hardness Less than 3 gpg 52 ppm Iron Less than 0 1...

Page 14: ...requirements are necessary for the correct hydraulic installation of the machine The hydraulic circuit must be fitted with a valve to shut off the water supply Check that the mains pressure is within...

Page 15: ...D Drain hose C Drain collector Fig 3 Installation of drainage at a height using drainage pump THE DRAINAGE PUMP MUST ONLY BE INSTALLED BY PERSONNEL AUTHORIZED BY THE MANUFACTURER AND THE MANUFACTURER...

Page 16: ...lter Regulation Rinse Line 8 7 Detergent dispenser This machine must be operated with an automatic detergent feeder including a visual means to verify that detergent is delivered or a visual or audibl...

Page 17: ...you require the installation of a NON MAINSTREET EQUIPMENT Detergent and or Rinse pump a form MUST be fill out prior to installation by your installer Failure to do so will void your Warranty This for...

Page 18: ...l panel symbols 541HTUC30 Undercounter Dishwasher ON OFF LON WT RT P1 L1 ON OFF ON OFF Button P1 Wash Cycle 1 Drainage Button LON ON OFF Pilot Light WT Wash Tub thermometer RT Rinse boiler thermometer...

Page 19: ...stats the safety thermostats switch off the corresponding heating During the first heating of the day the boiler may reach a higher temperature than that mentioned above due to heating inertia This is...

Page 20: ...ing the dishes in the machine and close the hood door Before starting the wash cycle the machine should have the ideal temperature for washing the dishes properly indicated by the temperature on therm...

Page 21: ...closed the cycle continues By switching off the machine the cycle stops completely At the end of the wash cycle remove the basket and leave the dishes to dry naturally Remove the dishes from the baske...

Page 22: ...this drainage method should only be used with the machine switched off Switch off the machine Press ON OFF button for 2 seconds to turn unit OFF Open the hood door and remove the filter tray Fig 4 Re...

Page 23: ...his is necessary to prolong the service life of the machine To ensure the efficient washing of the dishes the dishwasher must be perfectly clean and disinfected 9 2 Cleaning and Maintenance Instructio...

Page 24: ...for industrial dishwashers Do not use foam producing detergents Detergents designed for domestic use should not be used under any circumstances When handling chemical substances the safety instructio...

Page 25: ...e 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 ser...

Page 26: ...overflow correctly The machine does not start with the wash cycle Hood door is not closed properly Close the hood door correctly and if it is seen to re open alone call the technical services to adju...

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