Diagnostic and Specific Fault Finding
H0 Fan Drive Board Error - VRF - GMV5 MCMX MCSX MCHX MCRX
Wed, 22 Dec, 2021 at 12:50 PM
E3 Low Pressure Protection - VRF - GMV5 MCMX MCSX MCHX MCRX
Wed, 22 Dec, 2021 at 11:57 AM
H5 Inverter Fan Overcurrent Protection - VRF - GMV5 MCMX MCSX MCHX MCRX
Wed, 22 Dec, 2021 at 1:41 PM
CJ Multiple master system error - VRF - GMV5 MCMX MCSX MCHX MCRX
Wed, 22 Dec, 2021 at 11:25 AM
PL Compressor drive DC bus low voltage protection - VRF - GMV5 MCMX MCSX MCHX MCRX
Thu, 23 Dec, 2021 at 9:35 AM
P2 P3 - P2 Voltage Protection of Compressor Drive Board, P3 Compressor Drive Module Reset Protection - VRF - GMV5 MCMX MCSX MCHX MCRX
Wed, 22 Dec, 2021 at 2:24 PM
C8 C9 CA Emergency Codes - VRF - GMV5 MCMX MCSX MCHX MCRX
Wed, 22 Dec, 2021 at 10:59 AM
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...
Mon, 27 Apr, 2026 at 12:29 PM
P5 Inverter Compressor Overcurrent Protection - VRF - GMV5 MCMX MCSX MCHX MCRX
Thu, 23 Dec, 2021 at 8:53 AM
L9 Fault Code – VRF Wall Controller Indoor Unit Quantity Mismatch (XE70 / H1 H2 Wiring) Description L9 = Group-controlled indoor unit quantity mismatc...
Fri, 19 Jun, 2026 at 11:20 AM