E:21 Error Code; E:22 Error Code; E:23 Error Code; E:24 Error Code - Bosch SHEM63W55N Repair Manual

Fault Diagnosis
Fault

E:21 error code

Far right LED flashes and E:21 shows on display

E:22 error code

Far right LED is lit and E:22 shows on display

E:23 error code

Far right LED flashes and E:23 shows on display

E:24 error code

¡
Far right LED is lit and E:24 shows on display
¡
Dishwasher won't drain
¡
Wash cycle completed prematurely

E:25 error code

¡ Far right LED is lit and E:25 shows on display
¡ Wash cycle completed prematurely
¡
Dishwasher won't drain

E:26 error code

E:26 error code won't show during wash cycle
2020-04-24_58300000218396_ara_en_c
Possible cause
Pumps disconnected or harnesses are faulty
Far right LED flashes and E:01, E:20
ness) or E:23 (drain pump harness) shows on display
Heat pump is blocked / clogged
Water in sump
Faulty drain pump
Leaky or faulty drain check valve
Kinked drain hose
Clogged drain line, drain hoses or drain check valve
Missing or loose drain pump cover
¡ Far right LED is lit and E:24 or E:25
play
¡
Need drain pump cover for drain pump to develop
pressure to pump properly
Incorrect drain hose installation
No high loop in drain hose or drain hose connection
too high
Missing or loose drain pump cover
¡ Far right LED is lit and E:24 or E:25
play
¡ Need drain pump cover for drain pump to develop
pressure to pump properly
Drain pump blocked
Far right LED is lit and E:25 shows on display
Faulty water switch harness
Copyright by BSH Hausgeräte GmbH
Troubleshooting
▶ Check wire harnesses and connectors between power module and
heat / drain pumps - if any harness or connector is faulty, replace
(heat pump har-
main wire harness.
Remove debris / obstructions from heat pump.
▶
1. Drain water from sump.
2. Clean fine filter screen and coarse multi-filter.
3. Find and correct cause of leaking so it doesn't repeat.
Measure drain pump motor resistance between any 2 terminals.
▶
1. If it's correct for your pump, replace power module.
2. If it's not correct for your pump, replace drain pump.
▶
Drain check valve leaks or doesn't close, replace it.
▶ Straighten out drain hose - if hose is faulty, replace it.
Unclog house drain line, drain hoses and drain check valve.
▶
▶
Drain pump cover isn't seated properly or is missing:
shows on dis-
1. Replace missing drain pump cover.
2. Snap unseated / missing drain pump cover securely into place.
1. Make sure drain hose isn't too long, has a high loop and isn't too
high above the floor.
2. For installations with a drain hose extension, make sure the proper
drain hose extension was used.
▶
Drain pump cover isn't seated properly or is missing:
shows on dis-
1. Replace missing drain pump cover.
2. Snap unseated / missing drain pump cover securely into place.
▶ Remove debris / obstructions from drain pump and loosen impeller.
1. Run test program to check error codes for an
2. Check harness between water switch and power module - if wire
harness is faulty, replace it.
E:26 error code.
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