Lennox Split & Multi-Split

Lennox Split & Multi-Split Error Code E413

Split & Multi-Split

E413 means different things on different Split & Multi-Split models. Enter your model number to see only your reading, or find your model below.

What It Means

  • The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.
  • The high pressure switch has T opened 5 times within one hour. As a result, the outdoor unit is locked out. c i

Causes & actions from Lennox

The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

40 models

EL18XCV, EL18XCV-024, EL18XCV-036, EL18XCV-048, EL18XCV-060, EL18XPV, EL18XPV-024, EL18XPV-036, EL18XPV-048, EL18XPV-060, EL19KPV, EL19KPV-024, EL19KPV-036, EL19KPV-048, EL19KPV-060, EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060, EL22KCV, EL22KCV-024, EL22KCV-036, EL22KCV-048, EL22KCV-060, SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060, SL25KCV, SL25KCV-024, SL25KCV-036, SL25KCV-048, SL25KCV-060, SL28XCV, SL28XCV-024, SL28XCV-036, SL28XCV-048, SL28XCV-060

Air conditioner (outdoor), Heat pump (outdoor)

How it shows
  • Outdoor control 7-segment display: E413

Open high pressure switch error count reached 5 strikes. System is shut down. The high pressure switch for HFC410A opens at 590PSIG and closes at 418PSIG. Confirm that the system is properly charged with refrigerant. Check condenser fan motor, for clogged TXV, for blockage to indoor unit blower motor, for stuck reversing valve or clogged refrigerant filter. Confirm that the outdoor unit is clean. The alarm clears after a power reset. For heating, indoor CFM may be set too low. For zoning system, zone CFM may be set too low.

Other manual wording (1 of 4)

EL18XCV, EL18XCV-024, EL18XCV-036, EL18XCV-048, EL18XCV-060, EL18XPV, EL18XPV-024, EL18XPV-036, EL18XPV-048, EL18XPV-060, SL22KLV,…

Open high pressure switch error count reached 5 strikes. System is shut down. The high pressure switch for HFC410A will open at 590PSIG and close at 418PSIG. Confirm that the system is properly charged with refrigerant. Check condenser fan motor, clogged TXV, blockage to indoor unit blower motor, stuck reversing valve or clogged refrigerant filter. Confirm that the outdoor unit is clean. The alarm clears after indoor power reset (24VAC power source to Outdoor Control)

Other manual wording (2 of 4)

EL19KPV, EL19KPV-024, EL19KPV-036, EL19KPV-048, EL19KPV-060, EL22KCV, EL22KCV-024, EL22KCV-036, EL22KCV-048, EL22KCV-060

Open high pressure switch error count reached 5 strikes. System is shut down. The high pressure switch for R454B opens at 590PSIG and closes at 418PSIG. Confirm that the system is properly charged with refrigerant. Check condenser fan motor, for clogged TXV, for blockage to indoor unit blower motor, for stuck reversing valve or clogged refrigerant filter. Confirm that the outdoor unit is clean. The alarm clears after a power reset. For heating, indoor CFM may be set too low. For zoning system, zone CFM may be set too low.

Other manual wording (3 of 4)

EL19KPV, EL19KPV-024, EL19KPV-036, EL19KPV-048, EL19KPV-060, EL22KCV, EL22KCV-024, EL22KCV-036, EL22KCV-048, EL22KCV-060

Open high pressure switch error count reached 5 strikes. System is shut down. The high pressure switch for R454B will open at 590PSIG and close at 418PSIG. Confirm that the system is properly charged with refrigerant. Check condenser fan motor, clogged TXV, blockage to indoor unit blower motor, stuck reversing valve or clogged refrigerant filter. Confirm that the outdoor unit is clean. The alarm clears after indoor power reset (24VAC power source to Outdoor Control)

Other manual wording (4 of 4)

EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060

Open high pressure switch error count reached 5 strikes. System is shut down. The high pressure switch for R454B opens at 590 PSIG and closes at 418 PSIG. Confirm that the system is properly charged with refrigerant. Check condenser fan motor, for clogged TXV, for blockage to indoor unit blower motor, for stuck reversing valve or clogged refrigerant filter. Confirm that the outdoor unit is clean. The alarm clears after a power reset. For heating, indoor CFM may be set too low. For zoning system, zone CFM may be set too low.

Applicable models & manual sources
  • EL18XCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL18XCV, EL18XCV-024, EL18XCV-036, EL18XCV-048, EL18XCV-060

    EL18XCV manual, page 37

  • EL18XPV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL18XPV, EL18XPV-024, EL18XPV-036, EL18XPV-048, EL18XPV-060

    EL18XPV manual, page 37

  • SL22KLV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060

    SL22KLV manual, page 43

  • SL25KCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    SL25KCV, SL25KCV-024, SL25KCV-036, SL25KCV-048, SL25KCV-060

    SL25KCV manual, page 37

  • SL28XCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    SL28XCV, SL28XCV-024, SL28XCV-036, SL28XCV-048, SL28XCV-060

    SL28XCV manual, page 31

  • EL18XCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL18XCV, EL18XCV-024, EL18XCV-036, EL18XCV-048, EL18XCV-060

    EL18XCV manual, page 60

  • EL18XPV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL18XPV, EL18XPV-024, EL18XPV-036, EL18XPV-048, EL18XPV-060

    EL18XPV manual, page 62

  • SL22KLV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060

    SL22KLV manual, page 67

  • SL25KCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    SL25KCV, SL25KCV-024, SL25KCV-036, SL25KCV-048, SL25KCV-060

    SL25KCV manual, page 57

  • SL28XCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    SL28XCV, SL28XCV-024, SL28XCV-036, SL28XCV-048, SL28XCV-060

    SL28XCV manual, page 51

  • EL19KPV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL19KPV, EL19KPV-024, EL19KPV-036, EL19KPV-048, EL19KPV-060

    EL19KPV manual, page 43

  • EL22KCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL22KCV, EL22KCV-024, EL22KCV-036, EL22KCV-048, EL22KCV-060

    EL22KCV manual, page 40

  • EL19KPV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL19KPV, EL19KPV-024, EL19KPV-036, EL19KPV-048, EL19KPV-060

    EL19KPV manual, page 65

  • EL22KCV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL22KCV, EL22KCV-024, EL22KCV-036, EL22KCV-048, EL22KCV-060

    EL22KCV manual, page 62

  • EL21KLV

    The high pressure switch has opened 5 times within one hour. As a result, the outdoor unit is locked out.

    EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060

    EL21KLV manual, page 46

The high pressure switch has T opened 5 times within one hour. As a result, the outdoor unit is locked out. c i

5 models

EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060

Heat pump (outdoor)

How it shows
  • Outdoor control 7-segment display: E413

Open high pressure switch error count reached 5 strikes. System is shut down. he high pressure switch for R454B will open at 590 PSIG and close at 418 PSIG. Confirm that the system is properly charged with refrigerant. Check condenser fan motor, clogged TXV, blockage to indoor unit blower motor, stuck reversing valve or logged refrigerant filter. Confirm that the outdoor unit is clean. The alarm clears after ndoor power reset (24VAC power source to Outdoor Control)

Applicable models & manual sources
  • EL21KLV

    The high pressure switch has T opened 5 times within one hour. As a result, the outdoor unit is locked out. c i

    EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060

    EL21KLV manual, page 71

Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.

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