mypros+
Error code reference

Kenmore Refrigerator Error Code Er IM Unit

Abnormal Icemaker Unit

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the Er IM Unit error code actually means

Your refrigerator has detected a problem with the icemaker's internal motor or the sensor that tracks whether the motor is running correctly. This means the icemaker has likely stopped producing ice and the fridge is protecting itself from further damage. A technician will need to inspect the wiring and components inside the icemaker unit to find the root cause.

Diagnostic procedure

The full Er IM Unit procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Remove Cover PCB, check for loose connection in CON8.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock Er IM Unit procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of Er IM Unit

Ranked by how often they cause this code
  1. 1Loose or corroded connection at CON8
  2. 2Faulty Hall effect IC sensor
  3. 3Lead wire short circuit
  4. 4Failed icemaker drive motor
  5. 5Faulty motor driver circuit on PCB

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

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

Questions people ask about Er IM Unit

What does Er IM Unit mean on a Kenmore refrigerator?
Er IM Unit indicates an abnormal condition in the icemaker unit. The control board has detected a fault in the icemaker motor, the Hall IC sensor that monitors motor rotation, the lead wiring between the icemaker and the PCB, or the motor driver circuit. The icemaker will stop functioning while this code is active to prevent further damage.
Is it safe to keep using my refrigerator with the Er IM Unit code showing?
The refrigerator's cooling system will generally continue to operate normally even when this code is active, so food safety is not immediately at risk. However, the icemaker will not produce ice while the fault is present. You should not ignore the code long-term, as an underlying short circuit in the wiring could potentially cause additional electrical issues if left unaddressed.
Will resetting the refrigerator clear the Er IM Unit code?
A power reset may temporarily clear the code from the display, but if the underlying fault in the motor, Hall IC, wiring, or PCB is still present, the error will return once the icemaker attempts to run through a harvest cycle. A reset is useful for confirming whether the fault is intermittent, but it is not a repair. The root cause must be diagnosed and corrected to permanently clear the code.
Can I fix the Er IM Unit error myself?
Some causes are approachable for a knowledgeable DIYer. Start by removing the Cover PCB and checking that the CON8 connector is fully seated and free of corrosion, since a loose connection is the simplest and most common cause. If the connection is secure, further diagnosis requires a multimeter to check wiring continuity and motor resistance, which is more involved but still possible without specialized tools. Replacing the PCB or icemaker unit itself is a more advanced repair.
How much does it cost to repair the Er IM Unit error on a Kenmore refrigerator?
Repair costs vary depending on the root cause. If the fix is simply reseating a loose connector, there is no parts cost. A replacement icemaker motor or Hall IC sensor typically runs in the range of $20 to $80 in parts. A full icemaker unit replacement can range from $60 to $200 or more depending on the model, and a PCB replacement can cost $100 to $300 or higher, not including labor if you hire a technician.

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

Get Started

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