Compressor Running Hot - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

Compressor
running too hot,
stops and starts
frequently
136
Troubleshooting

Compressor Running Hot

Improper installation, bad unit
ventilation, not level, direct sunlight,
etc.
Ambient temperature too high
Filters or coils dirty
Indoor or outdoor fans not
operating at correct speeds
Improper voltage
Incorrect refrigerant charge
Poor component wiring
connections
Compressor malfunction
Check for proper installation per
manual
Check for operational limits
Clean indoor coils, filters and
outdoor coils
Check fan settings and controller
board
Measure incoming power. Should
be within 10% of nameplate
Refer to charging procedures, check
for leaks if charge is low. Refrigerant
must be weighed-in by using a
charging scale, pressure charts are
not available.
Check U,V,W wire connections as
well as all power connection to and
from board and components
Check resistance of compressor
windings, using a megohm meter.
Check for unusual noise within
compressor