Er:22
What code Er:22 means on a Bosch washing machines, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Bosch Er:22 means: Electrical power supply problem. The documented cause is: Make sure the power cord for the washer is plugged in. If so, test the electrical outlet by plugging in a lamp or small appliance. If the electrical outlet doesn't work, have an electrician repair the outlet.
What Er:22 means
Electrical power supply problem
The display shows Er:22 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Make sure the power cord for the washer is plugged in |
| If so, test the electrical outlet by plugging in a lamp or small appliance |
| If the electrical outlet doesn't work, have an electrician repair the outlet |
| If the outlet works, unplug the washer and reconnect any loose wires on the control module |
| If the power cord or outlet plug is damaged, replace it |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.
What to check, in order
From the quickest check to the one that needs a technician.

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Frequently asked questions
What does Er:22 mean on a Bosch?
Electrical power supply problem The documented cause is: Make sure the power cord for the washer is plugged in. If so, test the electrical outlet by plugging in a lamp or small appliance. If the electrical outlet doesn't work, have an electrician repair the outlet. If the outlet works, unplug the washer and reconnect any loose wires on the control module. If the power cord or outlet plug is damaged, replace it
Can I fix Er:22 myself?
It depends on the part involved: Make sure the power cord for the washer is plugged in. If so, test the electrical outlet by plugging in a lamp or small appliance. If the electrical outlet doesn't work, have an electrician repair the outlet. If the outlet works, unplug the washer and reconnect any loose wires on the control module. If the power cord or outlet plug is damaged, replace it Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Bosch use other codes on this appliance?
Yes: we document 20 other codes for Bosch on this washing machines. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

