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Diagram 1
SHI/U 43— MODELS
To begin the test program, press the POWER SCRUB PLUS and REGULAR WASH buttons both in at the same time as
you 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 Fault
RINSE/DRY = Filling Fault
CLEAN = NTC Fault
SHU 53— or SHI/U 68— MODELS
To begin the test program, press the SCRUB WASH and DELICATE/ECONO buttons both in at the same time as you turn
the 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 LED
press 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 following
codes. If a combination of faults exists, the code numbers are added together. (6 = faults 2 + 4).
0 = No Faults
1 = Aqua Sensor Fault
2 = Heating Fault
4 = Filling Fault
8 = NTC Fault
• To bypass a function: SHI/U 43-- Press the SCRUB WASH button
SHI/U 53--/68-- Press the REGULAR WASH button.
FUNCTION DURATION COMMENTS
DRAINING 30 Seconds
AQUA SENSOR CALIBRATION 65 Seconds Not used on the SHI/U 43--
FILLING
Until Water Level Switch (f1)
Closes.
This function cannot be bypassed
HEATING &
CIRCULATING
Until Water Temperature Reaches
150° f.
Dispenser Actuator Energizes
DRAINING 60 Seconds