Bosch washer
showing E:30 -20
E:30 -20 is what Bosch calls a critical malfunction on the newer 300 Series.
Mon–Sat, 8am–8pm
- Water supply
- Water inlet valve repair
- Source: Bosch
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What E:30 -20
actually means.
E:30 -20 is what Bosch calls a critical malfunction on the newer 300 Series. It can also appear when extra water has been added to the drum or the detergent dose was too high.
Bosch washer display
What to do when E:30 -20 shows on the washerKind of codeWater supply
Water arrived too slowly, not at all, or kept coming after it should have stopped. The supply valves on the wall and the screens inside the fill hoses are checked before the inlet valve or the level sensor.
Usually leads toWater inlet valve repair
A washer that will not fill, fills slowly, fills with only cold water or keeps filling, repaired at the inlet valve and its screens.
Shows up asWasher Overflowing
The washer keeps filling past the normal level, and water spills over the tub, out of the door or onto the floor.
MakeBosch
Compact 24-inch front-load washers from the German maker, designed to stack with a matching Bosch dryer.
SourceBosch WGA12400UC (300 Series) user manual and installation instructions (PDF on the BSH media server)
Bosch 300 Series WGA12400UC.
Before you book,
in this order.
Each step comes from Bosch's own guidance for E:30 -20 on its washers. Follow it to the end: the last card says whether this is a visit.
Turn off the faucet.
Wait about 5 minutes while the washer drains, then restart it.
Do not pour water into the drum during a cycle, and reduce the detergent dose.
Book a visit if the code returns.
Still there?
It usually turns into water inlet valve repair. Book with the code and the model number.
What not to do
E:30 -20 is not a request to top up water; adding water by hand is one of its causes.
What you may
notice with it.
The washer problems E:30 -20 tends to arrive with. Answer these at the washer before anyone is booked.
All problems
Washer Overflowing
5 causes, cheapest first
Where E:30 -20 usually leads
Water inlet valve repair.
Bosch
washers.
Compact 24-inch front-load washers from the German maker, designed to stack with a matching Bosch dryer.
Bosch washer repairMore Bosch codes
Water supply on other makes
Front-load washer
A horizontal drum behind a sealed glass door, a rubber boot, a locking latch and a pump with a filter you can reach from the front.
Stackable washer
The washer at the bottom of a stacked pair or a single-frame laundry center, repaired inside the closet or recess it was sized for.
Compact washer
The 24-inch front-loaders and all-in-one washer-dryers found in apartments, condos and under counters, repaired on their washing side.
In Bosch's own words
Critical malfunction.
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Bosch 300 Series WGA12400UC.
Bosch E:30 -20 washer repair,
where we come out.
The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about E:30 -20.
Can I clear E:30 -20 myself?
Why does Bosch tell me to turn off the faucet for E:30 -20?
Can a heavy detergent dose cause E:30 -20 on my Bosch?
Back to your everyday
Still showing E:30 -20?
Book with the code as it appears, the full model number, and whether any water is on the floor — for a code, that is where the diagnosis begins.