Mitsubishi Electric error codes

15 documented Mitsubishi Electric error codes, with meaning, probable causes and a guided diagnostic tree in the app.

ElectraIQ

• QY42P — Digital output module — output not activating

HVACIQ

• 1102 — Discharge Temperature Too High
• 1102 — Capacity unbalance between circuits
• 1300 — Low Pressure Alarm / Refrigerant Shortage
• 1300 — Low Pressure Alarm / LP Lockout
• 1302 — High Pressure Alarm / HP Lockout
• 1302 — Sub-cooling fault / sottoraffreddamento anomalo
• 4250 — Compressor Fault / Overcurrent Protection
• 4250 — Compressor Overcurrent / Overload Protection
• 4400 — Outdoor Fan Motor Fault
• 5101 — Room Temperature Sensor Fault
• 5105 — Outdoor Coil Sensor Fault / Evaporator Temperature Error
• 6607 — Indoor Unit Communication Error
• 6607 — Refrigerant addressing error
• 6607 — Outdoor unit communication fault

All brands