mypros+
Error code reference

Electrolux Air Conditioner Error Code P1

Compressor rated frequency test state.

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 P1 error code actually means

Your Electrolux air conditioner is displaying a code that means it is running a test on the compressor, which is the part that actually cools the air. This can happen automatically during startup or when something unusual is detected with how the compressor is running. If the code does not clear on its own, a technician will need to inspect the cooling system's components.

Diagnostic procedure

The full P1 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
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock P1 procedure $9.95

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

Most common causes of P1

Ranked by how often they cause this code
  1. 1Inverter board fault
  2. 2Compressor winding imbalance or failure
  3. 3DC bus voltage abnormality
  4. 4Loose or corroded wiring connections
  5. 5Control board communication error

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 P1

What does P1 mean on a Electrolux air conditioner?
The P1 code on an Electrolux air conditioner indicates the system has entered a compressor rated frequency test state. This means the unit is evaluating or attempting to evaluate the compressor's operation at its designed operating frequency. It can occur during startup routines or when the control system detects an anomaly with the compressor or inverter circuit. If it persists, a component fault is likely present.
Is it safe to run my Electrolux air conditioner with a P1 error code?
It is not recommended to continue operating the unit while the P1 code is active. The code indicates the compressor may not be functioning at its rated frequency, which could lead to inadequate cooling and potential damage to the compressor or inverter components over time. Turn off the unit and have it inspected before resuming regular use.
How much does it cost to repair a P1 error on an Electrolux air conditioner?
Repair costs depend on which component is at fault. Wiring repairs or connection fixes are typically on the lower end, while inverter board replacement can range from moderate to high cost depending on parts availability. Compressor replacement is generally the most expensive repair, potentially ranging from several hundred to over a thousand dollars including labor. A technician diagnosis is the best way to get an accurate estimate.
Can I fix the P1 error on my Electrolux air conditioner myself?
Basic checks such as inspecting wiring connections and ensuring stable power supply can be done by a knowledgeable DIYer. However, testing compressor winding resistance, measuring DC bus voltage on the inverter board, and diagnosing inverter board faults require electrical knowledge and proper safety precautions. For most homeowners, this repair is best handled by a certified HVAC technician.
Will resetting my Electrolux air conditioner clear the P1 error?
A power reset, done by turning off the unit and disconnecting power for several minutes, may temporarily clear the P1 code if it was triggered by a transient condition. However, if an underlying fault exists with the inverter board, compressor windings, or wiring, the code will return. A reset alone is not a repair and should be followed by a proper diagnostic inspection.

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

Get Started

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