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Error code reference

Danby Ice Maker Error Code Add Water

The internal reservoir requires filling before proceeding or continuing with the current selected program.

Danby codesDanby ice maker codes

The internal reservoir requires filling before proceeding or continuing with the current selected program.

First step from the service manual

Fill the internal reservoir to the fill line.

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

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What Add Water means on a Danby ice maker

The "Add Water" alert on a Danby ice maker indicates that the internal water reservoir has dropped below the minimum level required for the unit to complete or continue its icemaking cycle. The ice maker draws water from this reservoir to fill the freezing tray or evaporator plate, and a water level sensor or float switch monitors the reservoir continuously. When the sensor detects insufficient water, the unit halts operation and displays this alert to prevent the pump or water distribution system from running dry, which could cause component damage.

The water level detection system typically relies on a float switch or electrode-type sensor positioned at the minimum fill threshold inside the reservoir. If the water level falls below this point, the sensor opens a circuit or sends a low-signal reading to the control board, triggering the alert and pausing the icemaking program. The unit will not resume production until the reservoir is refilled to the designated fill line and the sensor confirms adequate water presence.

The most straightforward cause is simply that the reservoir has been depleted through normal ice production and needs manual refilling, as Danby countertop and portable ice makers do not connect to a plumbing supply and rely entirely on user-added water. However, persistent or recurring alerts can also point to a faulty water level sensor, a clogged water inlet or pump screen reducing effective draw, or a slow internal leak reducing reservoir volume faster than expected.

Source: manufacturer service documentation.

Common causes of Add Water

  1. 01

    Depleted water reservoir

    Wiring / connection

    The most common cause is that the reservoir has simply been emptied through normal ice production cycles. Check the water level inside the tank and refill to the marked fill line.

  2. 02

    Faulty water level sensor or float switch

    Part replacement

    If the reservoir appears adequately filled but the alert persists, the water level sensor or float switch may be stuck, corroded, or sending an incorrect signal to the control board. Inspect the sensor for scale buildup or physical damage.

  3. 03

    Clogged pump screen or inlet strainer

    Wiring / connection

    Mineral deposits or debris can partially block the pump intake screen, reducing the effective water volume the pump can draw and causing the unit to behave as if water is low. Cleaning the screen may resolve the issue.

  4. 04

    Internal water leak

    Part replacement

    A slow leak from a cracked reservoir, loose fitting, or deteriorated seal can cause the water level to drop faster than normal, triggering repeated alerts shortly after filling. Check beneath and around the reservoir for signs of moisture.

  5. 05

    Scale or mineral buildup interfering with sensor

    Wiring / connection

    Hard water deposits can coat electrode-type sensors and prevent accurate water level detection even when sufficient water is present. Running a descaling or cleaning cycle with a citric acid solution can restore proper sensor function.

See the test procedure for each cause

Frequently asked questions about Add Water

What does Add Water mean on a Danby ice_maker?
The Add Water alert means the internal water reservoir has dropped below the minimum level needed for the ice maker to operate. The unit uses a water level sensor or float switch to monitor reservoir volume, and when that threshold is not met, the machine pauses its icemaking program. You need to manually add water to the reservoir up to the fill line before the unit will resume producing ice. Danby portable ice makers do not connect to a household water line, so refilling is always a manual step.
How do I fix the Add Water alert on my Danby ice maker?
Start by opening the lid or reservoir access area and filling the tank with clean, cold water up to the indicated fill line. The unit should detect the new water level and resume its cycle automatically within a short period. If the alert does not clear after filling, try unplugging the unit for 30 seconds and restarting it. Persistent alerts after refilling may indicate a scale-coated sensor, a clogged pump screen, or a faulty water level sensor that requires inspection or replacement.
Is it safe to continue using my Danby ice maker when the Add Water alert appears?
The unit is designed to stop operation when the Add Water alert triggers, so it will not attempt to run the pump or icemaking cycle without adequate water. This is a protective feature that prevents the water pump from running dry and sustaining damage. It is safe to leave the unit paused in this state while you gather water to refill it. Simply add water to the fill line and normal operation will resume.
Will resetting the Danby ice maker clear the Add Water alert?
A reset alone will not clear the Add Water alert if the reservoir is still low, because the water level sensor will continue to detect insufficient water and re-trigger the alert immediately. You must physically refill the reservoir to the fill line first. After refilling, if the alert does not clear on its own, unplugging the unit for about 30 seconds and powering it back on can allow the control board to re-read the sensor and clear the alert.
How much does it cost to repair a Danby ice maker that keeps showing the Add Water alert?
If the issue is simply an empty reservoir, there is no repair cost involved. Descaling the unit to clean a mineral-coated sensor typically costs nothing beyond a descaling solution, which generally runs between $5 and $15. If a water level sensor or float switch needs replacement, parts and labor can range from $30 to $100 depending on the specific component and whether you perform the repair yourself or hire a technician. A cracked reservoir or pump replacement would fall at the higher end of repair costs and may approach or exceed the value of an older unit.

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