Nelson SC45A WS User Manual

16
C WATER KEEPS ENTERING THE DISHWASHER
POSSIBLE CAUSE
SPECIFIC SOLUTION
• The solenoid valve is dirty;
• The membrane is torn;
• The small piston does not move into its housing.
• Loose connection between small tube and pressure
switch;
• The air trap or the small tube are pierced;
• There is water in the pressure switch or in the air
supply tube;
• Loss of pressure in the pressure switch;
• The pressure switch is faulty.
• Electronic board
• Remove the solenoid valve and clean the
membrane compensation cutout.
Replace, in the case of a sealed solenoid
valve;
• Replace;
• Check and replace the solenoid valve if
necessary.
• Slightly shorten the tube and re-insert it
by tightly fastening the strap;
• Replace;
• Remove the small tube and blow the
internal water away. Remove the
pressure switch and try to expel the
water from the inside. Replace if
necessary;
• Unload the dishwasher completely and
reload it;
• Replace;
• Check connection and in case replace
the board
D THE WATER IN THE BOILER AND/OR BOWL DOES NOT HEAT UP (MONO-PHASE MACHINE)
POSSIBLE CAUSE
SPECIFIC SOLUTION
• The boiler thermostat may be faulty;
• The bowl thermostat may be faulty;
• The safety thermostat may be faulty;
• The pressure switch contact may be faulty ;
• The safety thermostat has failed to cut in;
• The connections or conductors may be faulty;
• The boiler heating element may be damaged;
• The bowl heating element may be damaged.
• Replace;
• Replace;
• Replace;
• Replace;
• Reset and check the anomaly;
• Check;
• Replace;
• Replace;
D1 THE WATER IN THE BOILER AND/OR BOWL DOES NOT HEAT UP (TRI-PHASE MACHINE)
POSSIBLE CAUSE
SPECIFIC SOLUTION
• A phase is missing from the relay coil;
• The relay coil may be interrupted;
• The boiler thermostat may be faulty;
• The pressure switch contacts may be faulty;
• The relay contacts may be worn-out;
• The connections or conductors may be faulty;
• There is one phase missing;
• The boiler heating element may be damaged;
• The connection between the terminals and the
heating element is incorrect.
• Check;
• Check;
• Replace;
• Replace;
• Replace the contactor;
• Check;
• Check the appropriate circuit;
• Replace;
• Check;
• The bowl heating element may be damaged;
• The connections or conductors may be inefficient;
• The bowl thermostat is in the “O” position (OFF),or is
damaged;
• The contact on the boiler thermostat is incorrect.
• Replace;
• Check the bowl contactor and
thermostats;
• Adjust or replace;
• Replace;

Nelson SC45A WS Specifications

General

Brand	Nelson
Model	SC45A WS
Category	Washer
Language	English