mypros+
Error code reference

Dcs Refrigerator Error Code E1

Compressor fault detected due to high or low amp draw.

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 E1 error code actually means

The E1 code means your refrigerator has detected a problem with the compressor, the part that keeps your food cold by circulating refrigerant. The fridge's control system noticed the compressor is drawing either too much or too little electricity, which signals something is wrong. Until the issue is resolved, your refrigerator may not cool properly.

Diagnostic procedure

The full E1 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 compressor wires for disconnection and reconnect per wiring diagram.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E1 procedure $9.95

Or subscribe: $29/month for all codes plus Max AI diagnostics, with 70 Max messages a day.

Most common causes of E1

Ranked by how often they cause this code
  1. 1Loose or disconnected compressor wiring
  2. 2Failed compressor start relay
  3. 3Compressor motor winding failure
  4. 4Overload protector failure
  5. 5Corroded or damaged wiring harness

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 E1

What does E1 mean on a DCS refrigerator?
The E1 code on a DCS refrigerator indicates that the control board has detected a compressor fault due to abnormal amp draw. The compressor may be drawing too much current, which can indicate a motor short, or too little current, which can indicate an open circuit or disconnected wiring. The refrigerator may stop cooling until the fault is resolved.
Will resetting my DCS refrigerator clear the E1 error code?
A power reset may temporarily clear the E1 code, but it will return if the underlying fault is still present. If the compressor wiring or a component like the start relay is faulty, the error will reappear once the control board attempts to run the compressor again. A reset is useful for confirming whether the fault is intermittent, but it does not fix the root cause.
How much does it cost to repair a DCS refrigerator E1 error?
Repair costs vary depending on what component has failed. Replacing a start relay is typically an inexpensive fix, generally in the range of $20 to $80 for the part. Compressor replacement is significantly more costly, often ranging from $400 to $800 or more including labor. Having a technician diagnose the specific cause first will help determine whether repair or replacement is the better option.
How do I fix the E1 error on my DCS refrigerator?
Start by inspecting all wiring connected to the compressor and reconnecting any loose or disconnected terminals per the wiring diagram. If wiring is intact, check the start relay and overload protector for failure. If those components test good, the compressor motor windings should be tested for resistance to rule out an internal motor fault.
Is it safe to keep using my DCS refrigerator while it shows an E1 error?
It is not advisable to continue relying on the refrigerator while an E1 fault is active. The compressor may not be running correctly, meaning the unit may not maintain safe food storage temperatures. If the compressor is drawing excessive current due to a motor fault, continued operation could also cause additional electrical component damage.

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

Get Started

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