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Error code reference

Whirlpool Ice Maker Error Code 2 pulses

Optics are blocked or defective; infrared beam path between emitter and receiver is obstructed or the optics boards have failed.

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What the 2 pulses error code actually means

Your Whirlpool ice maker has a small infrared sensor that detects when the ice bin is full, and the 2-pulse code means that sensor is not working correctly. This could be caused by frost, dirt, or a misplaced ice bin blocking the sensor's beam, or the sensor itself may have stopped working. The ice maker may stop producing ice until the issue is resolved.

Diagnostic procedure

The full 2 pulses procedure

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1
First diagnostic step
Clear the optics path (clean dirt/frost from lenses, check ice bin alignment, check ice level below notched openings), then repeat the optics diagnostics procedure. Replace both emitter and receiver boards if necessary.
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Most common causes of 2 pulses

Ranked by how often they cause this code
  1. 1Frost or ice buildup on optic lenses
  2. 2Ice bin misalignment
  3. 3Ice level above the notched openings
  4. 4Dirt or film on the lens windows
  5. 5Failed emitter or receiver board

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Questions people ask about 2 pulses

What does 2 pulses mean on a Whirlpool ice_maker?
The 2-pulse code indicates that the infrared optics system used to sense ice level is reporting a fault. The infrared beam transmitted by the emitter board is not being properly received by the receiver board. This can be caused by physical obstructions such as frost, debris, or a misaligned ice bin, or by a failure of one or both optics boards. The ice maker will not operate normally until the fault is resolved.
Is it safe to use my Whirlpool ice maker while the 2-pulse error is active?
The ice maker may stop producing or dispensing ice when the 2-pulse fault is active, since the control board relies on the optics system to manage the harvest cycle. Continuing to attempt operation while the fault is present is generally not harmful to other components, but the machine will not function correctly until the optics issue is resolved. Address the fault before relying on the unit for normal use.
Will resetting my Whirlpool ice maker clear the 2-pulse error?
A reset may temporarily clear the fault code, but if the underlying cause is still present, the 2-pulse error will return once the control board runs the optics diagnostic again. Resetting is not a substitute for correcting the physical obstruction or replacing failed boards. Use a reset only after you have addressed the root cause, then re-run the optics diagnostics to confirm the system is operating correctly.
How do I fix a 2-pulse error on my Whirlpool ice maker?
Start by removing the ice bin and inspecting the small lens windows on both the emitter and receiver boards for frost, ice, or dirt, then clean them with a soft cloth. Reseat the ice bin and confirm its notched openings align with both optics boards. Run the optics diagnostics procedure after making any corrections. If the error persists after all physical checks, replacing both the emitter and receiver boards as a pair is the next step.
How much does it cost to repair a 2-pulse optics fault on a Whirlpool ice maker?
If the fault is caused only by frost or debris, the repair costs nothing beyond your time. If the optics boards need to be replaced, parts costs typically range from around $30 to $80 for the board pair, depending on the specific model. Adding professional labor can bring the total repair cost to somewhere in the range of $100 to $200. Getting a quote from a local appliance technician before proceeding is advisable.

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