Gree FGR50Pd/DNa-M Owner's Manual page 20

4.2.2.1 Basic Operation of Project Debugging
(1) Start project debugging.
Press "SW3" button consecutively in the master module for over 5s to enter auto
debugging.
(2) Exit project debugging.
After entering project debugging, press "SW3" button consecutively in the master module
for over 5s to exit the debugging.
(3) Complete project debugging.
After entering project debugging and completing step "04", press "SW2" and "SW3"
button consecutively in the master module for over 5s to exit the debugging, then the
system can operate normally.
Ducted Type Split Air-Conditioner Units(Inverter Series)
Fig.21
16