Diagnostic and Specific Fault Finding
Braemar VRF – Error Code L7: How to Fix “No Main IDU Detected” After PCB Replacement ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must...
Wed, 22 Jul, 2026 at 1:01 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
CC Communication malfunction - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be installed, commi...
Wed, 22 Jul, 2026 at 12:52 PM
E4 High Discharge Temp Protection - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be installed, ...
Wed, 22 Jul, 2026 at 12:51 PM
L1 Indoor Fan Protection - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be installed, commissio...
Wed, 22 Jul, 2026 at 1:00 PM
PJ Inverter Compressor Startup Failure - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be instal...
Wed, 22 Jul, 2026 at 12:58 PM
H1 H2 H3 - H1 Fan Drive Board Operation Error, H2 Voltage Protection of Fan Drive Board, H3 Fan Drive Module Reset Protection - VRF - MCMX MCSX MCHX MCRX ...
Wed, 22 Jul, 2026 at 12:57 PM
HL Fan Drive DC Bus Low Voltage Protection - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be in...
Wed, 22 Jul, 2026 at 12:36 PM
F0 ODU (outdoor unit) Mainboard Error - VRF - MCMX MCSX MCHX MCRX ⚠️ Safety Notice – Reverse Cycle Air Conditioners This equipment must only be install...
Wed, 22 Jul, 2026 at 12:59 PM
Braemar VRF H‑Faults (H5 / H6 / H8 / H9 / HJ / HC) Outdoor Fan Motor vs Fan Drive Board – Diagnostic Guide (MCHX (2 pipe – Heat Pump) / MCRX (3 pipe – He...
Thu, 23 Jul, 2026 at 2:16 PM