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Bosch SHI 4302 Repair Manual page 74

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72
Diagram 1
FUNCTION
DRAINING
AQUA SENSOR CALIBRATION
FILLING
HEATING &
CIRCULATING
DRAINING
• To bypass a function:
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
=
RINSE/DRY
=
CLEAN
=
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
30 Seconds
65 Seconds
Until Water Level Switch (f1)
Closes.
Until Water Temperature Reaches
150° f.
60 Seconds
SHI/U 43--
Press the SCRUB WASH button
SHI/U 53--/68--
Press the REGULAR WASH button.
Heating Fault
Filling Fault
NTC Fault
DURATION
COMMENTS
Not used on the SHI/U 43--
This function cannot be bypassed
Dispenser Actuator Energizes
H

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