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Error code reference

Bosch Refrigerator Error Code 3-1-7

Ice maker

Bosch codesBosch refrigerator codes

Ice maker: Water valve of water dispenser faulty.

First step from the service manual

Check water fill valve of dispenser; if problematic replace water valve; if valve OK replace icemaker.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Wiring diagram references and connector pinouts from the OEM service manual
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What 3-1-7 means on a Bosch refrigerator

Error code 3-1-7 on a Bosch refrigerator indicates a fault detected in the water fill valve that supplies water to the dispenser and ice maker system. This valve is an electrically operated solenoid valve that opens and closes to allow water flow from the household supply line into the appliance. When the control board detects that this valve is not functioning within expected parameters, whether due to an electrical fault, a failed solenoid coil, or a mechanical obstruction, it logs this error code to alert the technician to a specific component failure.

The water fill valve for the dispenser circuit is distinct from other water inlet valves that may be present in the refrigerator. Its primary role is to meter water delivery to both the ice maker and the water dispenser. A faulty valve in this circuit typically presents as no water dispensing, reduced ice production, or complete ice maker shutdown. The fault can originate from a failed solenoid coil inside the valve, a wiring harness issue between the control board and the valve, or a blockage preventing the valve from operating correctly.

Diagnosis begins with a direct inspection of the water fill valve and its electrical connections. If the valve shows signs of failure, such as a damaged coil, visible corrosion on the terminals, or an open circuit when tested, replacement of the water valve is the correct repair. If the valve tests within acceptable specifications and all wiring checks out, the ice maker assembly itself is the next suspect and should be replaced to resolve the fault.

Source: manufacturer service documentation.

Common causes of 3-1-7

  1. 01

    Failed Water Valve Solenoid

    Part replacement

    The solenoid coil inside the water fill valve can burn out or develop an open circuit over time, preventing the valve from opening or closing properly. Testing the solenoid coil for continuity will confirm this failure.

  2. 02

    Faulty Wiring or Loose Connections

    Wiring / connection

    Corroded terminals or a damaged wiring harness between the control board and the water valve can interrupt the electrical signal needed to operate the valve. Inspecting and wiggling the connector while monitoring for intermittent response can help identify this issue.

  3. 03

    Mechanically Stuck or Clogged Valve

    Part replacement

    Mineral deposits from hard water can block the valve inlet screen or cause the internal diaphragm to stick, preventing proper water flow. Inspecting the inlet screen for debris and checking for water flow when the valve is energized can confirm this cause.

  4. 04

    Defective Ice Maker Assembly

    Part replacement

    If the water valve tests correctly and wiring is intact, the ice maker assembly itself may be sending incorrect signals or have an internal fault. Replacing the ice maker is the recommended next step when the valve is ruled out.

See the test procedure for each cause

Frequently asked questions about 3-1-7

What does 3-1-7 mean on a Bosch refrigerator?
Error code 3-1-7 on a Bosch refrigerator indicates that the water fill valve for the water dispenser and ice maker circuit has been detected as faulty. The control board monitors this valve and logs the code when it does not operate within expected parameters. This error typically results in no water dispensing, reduced ice production, or a completely non-functional ice maker. A technician will need to inspect and test the valve to determine if it requires replacement.
Can I fix error code 3-1-7 myself?
A knowledgeable DIYer can attempt to diagnose this code by inspecting the water fill valve, checking the electrical connections, and testing the solenoid coil for continuity. If the valve is confirmed faulty, replacing it is a moderately straightforward repair that involves shutting off the water supply and disconnecting the wiring harness. However, if the valve tests fine and the ice maker assembly needs replacement, that repair is more involved and may benefit from professional service.
Is it safe to use my refrigerator while error code 3-1-7 is active?
The refrigerator's cooling and food preservation functions are generally not affected by error code 3-1-7, which is isolated to the water dispenser and ice maker circuit. You can continue storing food safely while the error is present. However, water dispensing and ice production will likely be unavailable until the faulty valve or ice maker is repaired.
How much does it cost to repair error code 3-1-7 on a Bosch refrigerator?
If the water fill valve is the cause, replacement parts typically cost in the range of $30 to $80 depending on the specific model, with professional labor adding $100 to $200 or more depending on your location. If the ice maker assembly requires replacement instead, parts can range from $100 to $250, with similar labor costs. Getting a diagnostic estimate from a qualified technician before committing to a repair is always recommended.
Will resetting my Bosch refrigerator clear error code 3-1-7?
A reset may temporarily clear the error code from the display, but it will not resolve the underlying fault with the water fill valve or ice maker. If the component remains faulty, the code will return once the control board runs its diagnostic checks again. A proper repair requires physically inspecting, testing, and replacing the defective component rather than simply resetting the appliance.

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