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Error code reference

Bosch Dryer Error Code E:1301

Refresher

Bosch codesBosch dryer codes

Refresher - water system error (4-digit equivalent of E:83).

First step from the service manual

Fill container with water.

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

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What E:1301 means on a Bosch dryer

Error code E:1301 on a Bosch dryer is the 4-digit equivalent of error E:83 and indicates a water system fault within the refresher function. The refresher is a steam-based feature that uses a dedicated water supply system to inject moisture into fabrics, reducing wrinkles and odors without a full wash cycle. When this error appears, the dryer has detected a problem in the water delivery system that supports this function, preventing the refresher cycle from operating correctly.

The most common trigger for E:1301 is an empty or insufficiently filled water container. The refresher system relies on a removable water reservoir, and if the container is dry or below the minimum required level, the dryer will halt the cycle and display this fault. Sensor circuits monitor water availability, and a lack of water will immediately register as a system error. This is why the first diagnostic step is simply to fill the container with water before assuming any component failure.

Beyond an empty reservoir, the error can also point to issues with water flow through the system, such as a blocked inlet path, a malfunctioning water pump, or a faulty water level sensor that incorrectly reads the container as empty even when filled. Debris or mineral scale buildup from hard water can restrict the flow path or interfere with sensor accuracy. Identifying whether the fault clears after filling the container will help determine if the problem is a simple supply issue or a deeper mechanical or electrical fault within the refresher water circuit.

Source: manufacturer service documentation.

Common causes of E:1301

  1. 01

    Empty or low water container

    Wiring / connection

    The refresher system requires the onboard water reservoir to be filled before operation. If the container is empty or below the minimum level, the dryer will trigger E:1301 immediately.

  2. 02

    Water container not seated properly

    Wiring / connection

    If the container is filled but not fully inserted or correctly latched into position, the water system cannot draw from it and the sensor may not detect water availability. Remove and firmly re-insert the container.

  3. 03

    Blocked or scaled water inlet path

    Wiring / connection

    Mineral deposits from hard water can accumulate in the water inlet channel or tubing, restricting flow to the refresher system. Inspect the inlet path for visible scale buildup and descale as needed.

  4. 04

    Faulty water level sensor

    Part replacement

    A defective water level sensor can report the container as empty even when it is filled, causing the dryer to throw E:1301 persistently. If filling the container does not clear the error, sensor replacement may be required.

  5. 05

    Malfunctioning water pump

    Part replacement

    The pump responsible for moving water through the refresher circuit may have failed electrically or mechanically, preventing water delivery even when the container is full. A failed pump will require replacement to restore refresher function.

See the test procedure for each cause

Frequently asked questions about E:1301

What does E:1301 mean on a Bosch dryer?
E:1301 is a water system error related to the dryer's refresher (steam) feature. It is the 4-digit equivalent of error code E:83. The error indicates that the dryer cannot properly access or deliver water to the refresher system. Start by checking and filling the water container, as an empty reservoir is the most common cause.
How do I fix error E:1301 on my Bosch dryer?
Begin by filling the refresher water container completely and ensuring it is firmly seated in its housing. Restart the dryer and attempt the refresher cycle again. If the error persists after the container is full and properly installed, inspect the water path for scale or blockages. Persistent errors after these steps may indicate a faulty water level sensor or pump, which would require component-level repair.
Will resetting my Bosch dryer clear the E:1301 error?
A basic reset will not permanently clear E:1301 if the underlying cause has not been addressed. The error will return as soon as the refresher cycle is attempted again without sufficient water supply or with a faulty component. Resolve the water system issue first, then reset the dryer by powering it off and back on.
Is it safe to use my Bosch dryer while E:1301 is displayed?
The E:1301 error specifically affects the refresher steam function and does not necessarily disable all dryer operation. Standard drying cycles may still be available. However, attempting to run a refresher cycle while this fault is active will be unsuccessful, and ignoring a pump or sensor fault long-term could lead to further issues with the water circuit.
How much does it cost to repair a Bosch dryer showing E:1301?
If the fix is simply filling the water container, there is no cost involved. If a water level sensor needs replacement, parts and labor costs typically range from $80 to $200 depending on your location and service provider. A water pump replacement may cost between $100 and $300 including parts and labor. Getting a diagnostic visit from a certified technician will give you a more accurate estimate.

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