mypros+
Error code reference

Bosch Refrigerator Error Code EF

Flow sensor error

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the EF error code actually means

Your Bosch refrigerator is detecting that water is not flowing properly when it should be, either to the ice maker or the water dispenser. The sensor responsible for measuring water movement is not picking up enough signal to confirm adequate flow. This usually points to a problem with the water supply, a clogged filter, or a faulty part in the water system.

Diagnostic procedure

The full EF procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check water supply line.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock EF procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of EF

Ranked by how often they cause this code
  1. 1Restricted or closed water supply line
  2. 2Clogged or expired water filter
  3. 3Low household water pressure
  4. 4Failed water inlet valve
  5. 5Defective flow sensor

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about EF

What does EF mean on a Bosch refrigerator?
The EF code on a Bosch refrigerator indicates a flow sensor error. It means the flow sensor detected fewer than 10 pulse signals per second during a water supply cycle, which tells the control board that water is not moving through the system at an adequate rate. The refrigerator disables the water supply function until the issue is resolved. Common causes include a closed supply valve, a clogged filter, low water pressure, a failed inlet valve, or a defective flow sensor.
Will resetting my Bosch refrigerator clear the EF error code?
A reset may temporarily clear the EF code from the display, but the code will return as soon as the refrigerator attempts another water supply cycle if the underlying problem has not been fixed. Resetting is useful for confirming whether the fault is persistent or intermittent, but it is not a repair. Address the root cause first to prevent the error from recurring.
How much does it cost to repair a Bosch refrigerator EF error code?
Repair costs vary depending on the cause. If the fix is simply replacing a water filter, the cost is typically in the range of $15 to $60 for the part. A replacement water inlet valve generally runs between $30 and $90 for the part, with additional labor costs if a technician is involved. A flow sensor replacement is in a similar parts cost range. Professional diagnostic and repair service calls typically add $80 to $150 or more depending on your area.
How do I fix the EF error code on my Bosch refrigerator?
Start by checking the water supply line behind the refrigerator for kinks and confirming the shutoff valve is fully open. Next, replace the water filter if it is overdue or test flow with the filter bypassed. If supply conditions are normal, inspect the water inlet valve for blockages or solenoid failure. If all other components test correctly, the flow sensor itself may need to be replaced.
Is it safe to keep using my Bosch refrigerator while the EF code is showing?
The refrigerator's cooling and food storage functions are not directly affected by the EF error, so perishable food should remain safe. However, the water dispenser and ice maker will not operate correctly while the fault is active. It is best to address the issue promptly to restore full function and prevent any secondary damage from a water supply fault.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass