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Error code reference

Bosch Dishwasher Error Code No heating

Faulty heater, voltage too low, or excessive scale on heating element

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What the No heating error code actually means

Your dishwasher is not heating the water properly, which means dishes may come out dirty or still wet. This is usually caused by a broken heating element, low electrical supply voltage, or mineral scale buildup coating the heater. A repair technician can test the heater and the power supply to find the exact cause.

Diagnostic procedure

The full No heating procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check heater resistance (23.2-29.4 ohms) and verify voltage.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of No heating

Ranked by how often they cause this code
  1. 1Failed heating element
  2. 2Excessive limescale buildup
  3. 3Low supply voltage
  4. 4Faulty wiring or connector to the heater

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Questions people ask about No heating

What does No heating mean on a Bosch dishwasher?
The no heating error means the dishwasher's control system has detected that the water is not reaching the expected temperature during a cycle. On the WFL 2060, this is signaled by the Door locked, Rinse/Spin, and Wash indicator lights flashing together. The fault points to a problem in the heating circuit, which could involve the heating element, the supply voltage, or scale buildup on the element.
Is it safe to run my Bosch dishwasher when this error is showing?
Running the dishwasher with a confirmed heating fault is not recommended. Without adequate heating, the wash cycle will not sanitize dishes properly and detergent may not dissolve correctly. If the fault is caused by a wiring or electrical issue, continued operation could pose a safety risk.
Will resetting my Bosch dishwasher clear the no heating error?
A power reset may temporarily clear the fault indication, but it will not resolve the underlying problem. If the heating element is out of spec, the voltage is low, or scale buildup is present, the error will return as soon as the dishwasher attempts to heat water again. The root cause must be identified and corrected for the fault to clear permanently.
Can I fix the no heating error on my Bosch dishwasher myself?
A knowledgeable DIYer can start by disconnecting power and measuring the resistance of the heating element using a multimeter. If the reading falls between 23.2 and 29.4 ohms, the element is likely intact and the issue may be with voltage supply or scale. Replacing the heating element is a moderately involved repair that requires accessing the interior of the appliance, so comfort with appliance disassembly is important before attempting it.
How much does it cost to repair the no heating error on a Bosch dishwasher?
Repair costs vary depending on the root cause. If only descaling is needed, the cost is minimal. A replacement heating element typically falls in the range of $30 to $80 for the part, with professional labor adding $80 to $200 depending on your location. If the fault is traced to low supply voltage or wiring, an electrician may also be needed.

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