Haier MRV S II - State Setting of Trial Operation; Main Power Supply and Preliminary Confirmation; Motor Operation Confirmation

4545
Trial Operation
4. State setting of trial operation
Conrm being electried
Indoor and outdoor are electried respectively and then check as the following table:
5. Trial operation
Generally, conrm all the indoors one by one. Please set the other indoors at STOP state.
(1) Main power supply and preliminary conrmation
(2) Motor operation conrmation
NO. Inspection items Results
1 If outdoor PCB is electried; if the communication indicator ashes.
2 If indoor communication indicator ashes.
3
Check the indoor running parameters are correct after outdoor is
connected the testing board and the testing software, such as the
sensor characteristic, the EEV open angle, etc.
If RUN LED on wired
controller is light
If STANDBY on wired controller is light
If the failure code is displayed
on wired controller
Refer to the troubleshooting
and diagnosis
No
Yes
Yes
Yes
No
No
Indoor motor not work
※
3
※
2
※
1
Start
Normal
Set the mode as Fan, press the button
If indoor blows air out
If there is abnormal sounds
Check the indoor fan,
fan motor and its circuit
Check the surroundings
around fan motor
Yes
Yes
No
No