Error code
5 Outdoor power-system abnormality
How it shows on the unit Upper operation lamp: 5 flashes, then 2.5 seconds off
Applies to 7 models
MSZ-GE22VA - E1, MSZ-GE25VA - E1, MSZ-GE35VA - E1, MSZ-GE42VA - E1, MSZ-GE50VA - E1, MSZ-GE60VA - E1, MSZ-GE71VA - E1
What this means
Compressor overcurrent or start-up protection has operated three times within one minute after start-up.
When to call a technician
This fault involves refrigerant, pressure, or electrical work that must be handled by a certified technician under EU F-gas rules. Do not attempt to open the refrigerant circuit, access mains wiring, or adjust pressure components yourself. Contact a qualified installer or servicer for this one.
Using Claude Code or Meta Muse? Connect HeatPump AI and ask it about 5.