Bosch Washer E56 Error Code
Internal communication error. Here is what it means and how to clear it, easiest fix first.
The washer's electronic modules lost communication with each other. A one-off glitch, such as after a power blip, can sometimes clear with a reset.
Listed on Bosch's US support site; Bosch models sold in the UK and Europe may use a different code, so check your manual.
How to fix Bosch E56
Power-cycle the washer
Turn the washer off, then back on. If that does not help, unplug it (or switch off its breaker) for at least 30 seconds and reconnect.
Note the details for support
If the code returns, write down the full code and the model number (E-Nr) from the label inside the door so Bosch support or the technician can diagnose it faster.
When to call a technician
If the code comes back after a reset, contact Bosch support or a technician. Never open the control board yourself.
Parts that commonly cause E56
- Main control board
- User interface (display) board
Order parts by your exact model number so they fit.
Other Bosch washer codes
- E18 / F18Washer is not draining
- E17 / F17Water is not coming in fast enough
- E16 / F16Door is open or not locked
- E23 / F23Leak detected or AquaStop triggered
- E32 / F32Load is off-balance
- E33 / F33Too much suds
- E:30Water level problem (read the number after the code)
- E:36Drain pump blocked
- E:10i-DOS dosing pump blocked
- H9EHot water supply problem
- E19 / F19Water is taking too long to heat
- E20 / F20Unexpected heating
- E25 / F25Turbidity (water clarity) sensor fault
- E26 / F26 / F27Water level (pressure) sensor fault
- E28 / F28Flow sensor fault
- E80Motor drive circuit fault
- CLChild lock is on
Frequently asked questions
What does E56 mean on a Bosch washer?
The washer's electronic modules lost communication with each other. A one-off glitch, such as after a power blip, can sometimes clear with a reset.
Can I fix Bosch E56 myself?
Only the basic checks. You can safely try the steps above, but E56 usually points to a part or fault that needs a technician.
What if E56 keeps coming back?
A code that returns after a reset and the checks above usually means a part is wearing out. Note when E56 appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.