Error code
upper lamp steady with lower lamp flashing Multi-system operation-mode conflict
Applies to 16 models
MSZ-AP25VG-E1, MSZ-AP25VG-EN1, MSZ-AP35VG-E1, MSZ-AP35VG-EN1, MSZ-AP42VG-E1, MSZ-AP42VG-EN1, MSZ-AP50VG-E1, MSZ-AP50VG-EN1, MSZ-AP25VGK-E1, MSZ-AP25VGK-EN1, MSZ-AP35VGK-E1, MSZ-AP35VGK-EN1, MSZ-AP42VGK-E1, MSZ-AP42VGK-EN1, MSZ-AP50VGK-E1, MSZ-AP50VGK-EN1
What this means
With an MXZ outdoor unit, connected indoor units are requesting COOL or DRY and HEAT at the same time; the first operating unit has priority.
What you can check yourself
- Set all connected indoor units to the same operating mode.
- Allow up to several minutes for the selected mode to become available.
Still not resolved? Contact a qualified installer or servicer.