mypros+
Error code reference

Samsung Air Conditioner Error Code E462

Current protection control causes compressor down

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 E462 error code actually means

This error means your air conditioner's outdoor unit detected that the compressor was drawing too much electrical current and shut it down as a safety measure to prevent damage. It can be caused by something as straightforward as a low voltage supply from your home's electrical system, or it could indicate a compressor that is starting to fail. A technician needs to check the electrical supply and the compressor itself before the system can be safely restarted.

Diagnostic procedure

The full E462 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
Check the compressor input voltage for low voltage error and check overcurrent option setting.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E462 procedure $9.95

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

Most common causes of E462

Ranked by how often they cause this code
  1. 1Low supply voltage to outdoor unit
  2. 2Incorrect overcurrent option setting on control board
  3. 3Failing or degraded compressor motor
  4. 4Faulty or weak compressor start capacitor
  5. 5Refrigerant charge imbalance

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 E462

What does E462 mean on a Samsung air_conditioner?
E462 indicates that the outdoor unit's current protection circuit detected the compressor input current exceeded the programmed trip threshold and forced a compressor shutdown. This is a protective fault designed to prevent compressor motor damage from sustained overcurrent conditions. The fault can originate from low supply voltage, a misconfigured protection setting, a failing compressor, a bad capacitor, or a refrigerant charge issue.
Is it safe to keep running my air conditioner with an E462 error?
No. The E462 fault has already caused the system to shut down the compressor as a protective measure, so continued operation is not possible until the underlying cause is resolved. Attempting to force the system to restart repeatedly without fixing the root cause risks permanent compressor damage, which is a significantly more expensive repair than addressing the original fault.
How much does it cost to repair a Samsung air conditioner E462 error?
Repair cost depends heavily on the root cause. A diagnostic service call typically runs between $75 and $150. If the fix involves correcting the overcurrent setting or addressing a voltage supply issue, total costs may stay in the $100 to $300 range. Replacing a start capacitor generally falls in the $100 to $250 range including labor. Compressor replacement is the most expensive outcome and can range from $800 to over $2,000 depending on the unit size and labor rates in your area.
Can I fix E462 on my Samsung air conditioner myself?
Some contributing factors, like confirming adequate supply voltage at the outdoor unit or identifying a tripped breaker on the electrical panel, are within reach of a knowledgeable DIYer. However, diagnosing the overcurrent control board settings, testing compressor current draw with a clamp meter, and checking refrigerant pressures require specialized tools and technical knowledge. Work involving the refrigerant circuit is also regulated and must be performed by a certified technician.
Will resetting the unit clear the E462 error code?
Powering the unit off and back on may temporarily clear the fault display, but the error will return as soon as the same operating conditions cause the compressor current to exceed the trip threshold again. A reset is not a fix. The underlying cause, whether low voltage, a component failure, or a misconfigured setting, must be identified and corrected for the fault to stay cleared.

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

Get Started

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