Diagnostic and Specific Fault Finding
B1–BU VRF Error Codes – Outdoor Temperature Sensor Faults (RT1–RT8) – MCMX, MCSX, MCHX, MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equ...
Wed, 22 Jul, 2026 at 10:42 AM
C3 Main Control and Inverter Fan Drive Communication Error - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment...
Wed, 22 Jul, 2026 at 10:44 AM
H6 Inverter Fan IPM Protection - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be installed, com...
Wed, 22 Jul, 2026 at 12:18 PM
U0 U2 - U0 Insufficient Compressor Preheating time, U2 ODU Capacity Dip Switch or Jumper Cap Setting Error - VRF - GMV5 MCMX MCSX MCHX MCRX ⚠️ Safety No...
Wed, 22 Jul, 2026 at 12:19 PM
F5 F6 F7 F8 F9 FA Fb FU Malfunction of discharge temperature sensor - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This ...
Wed, 22 Jul, 2026 at 12:20 PM
F1 F3 - F1 ODU Pressure Sensor Error & F3 Pressure Sensor Error - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This ...
Wed, 22 Jul, 2026 at 12:22 PM
C0 Communication Error - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be installed, commissione...
Wed, 22 Jul, 2026 at 12:28 PM
P0 P1 - P0 Compressor Drive Board Error, P1 Compressor Drive Board Operation Error - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Cond...
Wed, 22 Jul, 2026 at 12:29 PM
E1 Fault Code – High Pressure Protection | Braemar VRF Air Conditioning Systems ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must ...
Wed, 22 Jul, 2026 at 12:30 PM
E2 Low Discharge Temp Protection - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be installed, c...
Wed, 22 Jul, 2026 at 12:33 PM