Haier MRV II - Trial Operation

Part 3
2.4 Trial operation
Generally, confirm all the indoors one by one. Please set the other indoors
at STOP state
2.4.1 Main power supply and preliminary confirmation
※3
※2
※1
no
if RU N LED on wired
controller is light
yes
yes
yes
no
no
if STANDBY on wired controller
is light
if the failure code is displayed
on wired controller
indoor motor not work
refer to the troubleshooting
and diagnosis.
2.4.2 Motor operation confirmation
start
- 104 -
set the mode as FAN, press the button
if indoor blows air out
no
yes
if there is abnormal sounds
yes
no
normal
check the indoor fan,
fan motor and its circuit
check the surroundings
around fan motor