Bosch SHE4AM12U Repair Instructions page 40

6.1.4.7 Drain pump error codes
Digital display
E:23 Coil error

 System check of drain pump motor
coil failed, functional safety error.
 Replace drain pump
 E:24 No drain flow possible
 Drain pump is running but unable
to remove the water, drain system
blockage.
 Check for blockage of drain
hose
E:25 Blockage

 Drain pump unable to rotate,
attempts to clear failed.
 Check for debris at drain
pump
6.1.4.8 Water switch error codes
Digital display
 E:26 Reference cam not detected
 Code not used
switch)
702_58300000130262_ara_en_c
LED display
Same LED display
shows for
codes E:23 – E:25.
LED display
(no water
6.1.4.9 Aqua sensor error codes
Digital display
 E:28 Calibration failure
 Aqua sensor failed to calibrate
6.1.5 Customer error codes (Digital display only)
error
Dishwashers with digital displays have error codes seen by
Viewing the error code (Display Failure Memory)
customers.
chart, the last two columns (under "Customer Failure display")
show error codes seen by customers in the digital display. The
first two columns (under "Customer Service Failure display")
show error codes seen in the error code program. Error code
displays are identical – the only difference being some service
error codes (e.g. E:08, E:16) can't be seen by customers.
6.1.6 Clearing error codes
To clear error codes, run the customer service test program.
LED display
Page 40 of 50