Bosch Ascenta SHE5AM02UC Istruzioni per la riparazione - Pagina 47
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DW Symptoms
Error Code Display
(seen
during wash cycles)
Water doesn't fill & drain
pump runs (cont)
Aqua sensor doesn't run
E:28
during wash cycle
properly calibrated
No power
House wiring isn't 120V
Open "On/Off"
switch
Dispenser not operating
Detergent
jammed
connections
Rinse-aid LED is glowing
No rinse-aid
connections
702_58300000130262_ara_en_c
Error Code LED's --
(from cs
Active / Clean / Sanitized
test program)
aqua
sensor
not
"Start"
OR
dispenser
door
loose
wiring
OR
loose wiring
OR
Solution
Make sure water inlet valve isn't stuck "open".
Check float switch and wire harness (to power module).
Check continuity between aqua sensor (I4) and power module harness
connector.
Make sure aqua sensor is clean where it enters the sump.
If electrical connections are good and the aqua sensor is clean, replace
the aqua sensor.
Check house wiring connections and if supply voltage is ≈ 98 - 120VAC
to power module harness connector.
Check "On/Off" switch & power module connections.
Measure "On/Off" switch resistance. If it's '∞' Ω in "on" position, replace
it.
If only drain pump is running, check if float switch has operated (see
E:15 error code above).
If no LED's flash when "On/Off" switch is pressed and the dishwasher
door is open, replace operating module (in fascia panel).
Make sure dispenser detergent door isn't jammed.
Check connections between rinse-aid dispenser, dispenser actuator (a2)
and power module harness connector.
Check dispenser actuator operation while running customer service test
program (steps 15 & 20). If actuator operates, but doesn't open
detergent dispenser cover, replace dispenser. If actuator doesn't
operate, replace power module.
Refill rinse aid, if empty.
Check connections between rinse-aid dispenser (e3) & operating
module harness connector (K12).
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