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  1. Home
  2. Error Codes
  3. Lennox
  4. Models
  5. XP15

Lennox XP15 Error Codes

Equipment type not specified · Split & Multi-Split

  • 1 Long Run Time - Compressor is running extremely long run cycles.
  • 2 System Pressure Trip - Discharge or vapor pressure out of limits or compressor overloaded
  • 3 Short Cycling - Compressor is running only briefly
  • 4 Locked Rotor
  • 5 Open Circuit
  • 6 Open Start Circuit - Current only in run circuit
  • 7 Open Run Circuit - Current only in start circuit
  • 8 Welded Contactor - Compressor always runs
  • 9 Low Voltage - Control circuit <17VAC
  • DS2 ALTERNATING FAST FLASH, DS1 ALTERNATING FAST FLASH Coil sensor problem
  • DS2 ALTERNATING SLOW FLASH, DS1 ALTERNATING SLOW FLASH 5-minute anti-short cycle delay
  • DS2 OFF, DS1 FAST FLASH Discharge sensor fault
  • DS2 OFF, DS1 OFF Power problem
  • DS2 OFF, DS1 ON Low Pressure Lockout
  • DS2 OFF, DS1 SLOW FLASH Low pressure fault
  • DS2 ON, DS1 OFF High Pressure Lockout
  • DS2 ON, DS1 ON DCB failure
  • DS2 SIMULTANEOUS FAST FLASH, DS1 SIMULTANEOUS FAST FLASH Ambient sensor problem
  • DS2 SIMULTANEOUS SLOW FLASH, DS1 SIMULTANEOUS SLOW FLASH Normal operation
  • DS2 SLOW FLASH, DS1 OFF High pressure fault
  • Green Power LED OFF LSOM not powering up
  • Green Power LED ON LSOM has power
  • Red Trip LED ON System and compressor check out OK Thermostat demand signal Y1 is present, but compressor…
  • Red Trip and Yellow Alert LEDs Flashing Simultaneous flashing.

Reference only. Confirm against the manual for your exact model. Data release 105f66ecb9e96e5dc473025d.

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