mypros+
Error code reference

Bosch Refrigerator Error Code F62

The high electrode in the waste water container is continuously detecting water.

Bosch codesBosch refrigerator codes

The high electrode in the waste water container is continuously detecting water.

First step from the service manual

Check if safety electrodes in the ice-maker base are in the water.

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

MyPros+ Max

Get the full diagnostic procedure for F62.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

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

What F62 means on a Bosch refrigerator

The F62 error code on a Bosch refrigerator indicates that the high-level electrode in the waste water container beneath the ice maker is continuously detecting the presence of water. This electrode is part of a two-electrode safety system built into the ice maker base. Under normal operation, the waste water container collects meltwater and drains or evaporates it at a controlled rate. When the high electrode remains in contact with water for an extended period, the control board interprets this as an overflow condition or a drainage failure and triggers the F62 fault.

The most immediate diagnostic step is to physically inspect the safety electrodes located in the ice maker base and confirm whether they are actually submerged in standing water. If water is genuinely present at that level, the underlying cause is typically a drainage blockage, a failed evaporation tray heater, or a clogged drain line that is preventing water from exiting the container at the expected rate. In colder ambient conditions, the drain line or evaporation area can also develop ice blockages that restrict flow.

It is also possible that the fault is electrical rather than related to actual water presence. A short circuit in the electrode wiring, corroded electrode contacts, or a failed sensor circuit can cause the control board to receive a continuous detection signal even when the container is empty or at a normal level. Inspecting the electrode connectors for corrosion, moisture intrusion, or damaged insulation is an important part of the diagnostic process after ruling out a genuine overflow condition.

Source: manufacturer service documentation.

Common causes of F62

  1. 01

    Electrodes submerged in standing water

    Wiring / connection

    The waste water container beneath the ice maker has filled to or beyond the high-electrode level, confirming a genuine overflow condition. This is confirmed by direct visual inspection of the electrodes in the ice maker base.

  2. 02

    Clogged or frozen drain line

    Wiring / connection

    A blockage or ice buildup in the drain line prevents water from leaving the waste water container at the normal rate, causing it to accumulate until it reaches the high electrode. Inspect the drain path for obstructions or ice.

  3. 03

    Failed evaporation tray heater

    Part replacement

    If the heater responsible for evaporating waste water has failed, water builds up in the container instead of being removed. This requires testing the heater for continuity and replacing it if it has failed.

  4. 04

    Corroded or short-circuited electrode wiring

    Part replacement

    Corrosion on the electrode contacts or damaged insulation on the wiring can create a false detection signal, causing the control board to register continuous water contact even when the container is empty or at a safe level.

  5. 05

    Faulty high-level electrode or sensor circuit

    Part replacement

    The electrode itself may have failed internally or the sensor circuit on the control board may be malfunctioning, generating a continuous fault signal regardless of actual water level.

See the test procedure for each cause

Frequently asked questions about F62

What does F62 mean on a Bosch refrigerator?
F62 means the high-level electrode in the waste water container beneath the ice maker is continuously detecting water. This signals either a genuine overflow or drainage failure in the ice maker base, or an electrical fault with the electrode or its wiring. The refrigerator uses this code to alert you before water can escape and cause property damage.
How do I fix the F62 error on my Bosch refrigerator?
Start by inspecting the safety electrodes in the ice maker base to confirm whether standing water is actually present. If water is present, check the drain line for blockages or ice and clear any obstructions. If the container is empty but the code persists, inspect the electrode wiring and contacts for corrosion or damage, as a wiring fault can trigger a false detection signal.
Will resetting my Bosch refrigerator clear the F62 code?
A reset may temporarily clear the F62 code from the display, but it will return if the underlying cause has not been corrected. The electrode system is continuously monitored, so as long as the high electrode detects water or a wiring fault persists, the code will reappear. Always resolve the root cause before relying on a reset.
Is the F62 error on a Bosch refrigerator a safety concern?
Yes, the F62 code should be addressed promptly. A continuously overfilling waste water container can eventually leak water onto your floor or into cabinetry. The electrode system is specifically designed to warn you of this condition before a leak occurs, so treating the alert as urgent is recommended.
How much does it cost to repair a Bosch refrigerator F62 error?
Cost depends heavily on the root cause. Clearing a clogged drain line yourself costs little to nothing, while replacing a failed evaporation tray heater or electrode component typically involves part costs ranging from roughly $20 to $100 or more, plus labor if a technician is hired. Professional diagnostic and repair visits for refrigerator faults generally range from $100 to $300 or more depending on your location and the parts required.

Related Bosch refrigerator codes

All Bosch refrigerator codes
View all 209 Bosch refrigerator codes

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

Get Started

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