Lennox XC15 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 suction pressure out of limits or compressor…
• 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
• GREEN ON Voltage19-28VAC present atsystemmonitorconnections.
• Green Power LED OFF Module not powering up
• Green Power LED ON Module has power
• RED ON Thermostat demand exists but no current tocompressor detected.
• Red Trip & Yellow Alert LEDs Flashing Simultaneous flashing.
• Red Trip LED ON System and compressor check out OK
• Trip & Alert LEDs flashing simultaneously Control circuit voltage too low for operation.

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