Error code
live-power-lamp-5-blinks Outdoor power-system fault
How it shows on the unit 5 blinks, then 2.5 seconds off, repeating (POWER lamp live troubleshooting table)
Applies to 92 models
What this means
Compressor overcurrent or startup-failure protection has operated three times within 1 minute after startup.
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.
See the Mitsubishi Electric manual (hosted by an authorized distributor)Hosted by an authorized distributor rather than by the manufacturer. We link to manuals, we never host them.
Using Claude Code or Meta Muse? Connect HeatPump AI and ask it about live-power-lamp-5-blinks.