Bosch SHI 4302 Repair Manual

Contents

72 HDiagram 1SHI/U 43— MODELSTo begin the test program, press the POWER SCRUB PLUS and REGULAR WASH buttons both in at the same time asyou turn the unit on by pressing the ON/OFF button. When released the LED’s for the two programs will begin flashing.To check all LED indicator lamps press the SCRUB WASH button.To start the test program, press the POWER SCRUB PLUS and REGULAR WASH buttons both in a second time.When the test program is complete, if a fault is detected the following indicator LED’s will be illuminated.WASH = Heating FaultRINSE/DRY = Filling FaultCLEAN = NTC FaultSHU 53— or SHI/U 68— MODELSTo begin the test program, press the SCRUB WASH and DELICATE/ECONO buttons both in at the same time as you turnthe unit on by pressing the ON/OFF button. The version number of the circuit board will appear in the display, 20, 21, etc.When released the LED’s for the two programs will begin flashing.The check each LED press the corresponding program button. To check the countdown display and refill rinse aid LEDpress the REGULAR WASH button.To start the test program, press the SCRUB WASH and DELICATE/ECONO buttons both in a second time.When the test program is complete, the countdown display will indicate a fault or combination of faults using the followingcodes. If a combination of faults exists, the code numbers are added together. (6 = faults 2 + 4).0 = No Faults1 = Aqua Sensor Fault2 = Heating Fault4 = Filling Fault8 = NTC Fault• To bypass a function: SHI/U 43-- Press the SCRUB WASH buttonSHI/U 53--/68-- Press the REGULAR WASH button.FUNCTION DURATION COMMENTSDRAINING 30 SecondsAQUA SENSOR CALIBRATION 65 Seconds Not used on the SHI/U 43--FILLING Until Water Level Switch (f1)Closes. This function cannot be bypassedHEATING &CIRCULATINGUntil Water Temperature Reaches150° f. Dispenser Actuator EnergizesDRAINING 60 Seconds