Function Description Of Functional Dial Switch S7; Malfunction Analyzing - Gree GMV-ND22C/A-T Manuel D'utilisateur

Multi Variable Air Conditioners Floor and Wall Mounted Type Indoor Unit

7 Function Description of Functional Dial Switch S7

（1）The 3-bit dial switch must be set before energizing the main board and it determines
running state of indoor unit.
（2）Function of it is as follow:
Dial switch
Silk screen
Selection of memory mode:
A. Election between reset mode and standby mode after
1(S / R)
energizing;
B. This function is available without wired controller.
Selection between manual controller and receiver:
A. If manual controller is selected, remote-control function of
2(L / I) receiver will be shielded;
B. If receiver is selected, wired controller will be
non-effective.
Setting of main and slave indoor units:
3(M / S) A. For resolution of conflict among the modes;
B. This function is available without wired controller.

8 Malfunction Analyzing

Warning : Do not repair air conditioner by yourself for the incorrect repair would lead
electric shock or fire. Please contact service center and had the unit repaired by specialized
personnel. Check the following item before contacting to repair could save your time and cost.
Malfunction Phenomena
The air conditioner can't start up
just after turned off
Odor gave out when the unit just
turned on
Slight bicker was heard when
the unit is running
Mist come from air outlet vent
when cooling
Creak sound is heard when
running or after run
The air conditioner cannot run
The cooling (heating) effect of
the air conditioner is not good
Wireless remote controller
cannot control
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Function
The over load protect switch of the unit makes it runs after 3 mins delay
This is because when air conditioning, odors or cigarette smoke from the room
that was sucked in is discharged again.
This is the sound for inner refrigerant flowing
Indoor air is cooled rapidly
The grating sound caused by expands of panel and other parts for the change
of temperature.
Is power cut ?
Is the power supply connected ?
Is the circuit protector started aside ?
Is the voltage too high or too low ?
If TIMER had been set in wireless remote controller ?
Is the temp. set in proper ?
Is the inlet, outlet vent of outdoor unit blocked ?
Is the air filter too dirty to cause blockage ?
Are windows and doors closed ?
Is air quantity set to Low speed ?
Is there other heating resource in room ?
Under the circumstance of changed batteries, the wireless remote controller
sometimes would appear the phenomena of couldn't control. Take out the back
cover and press "ACL" button to make it normal.
The air conditioner is under abnormal disturbance or changing function too
frequently, to make wireless remote controller cannot control. Cut off main
power switch and re-electrify could resume normal operation.
Is the controller within the receiving area? Or is there blockage?
Check if the voltages of batteries in wireless remote controller are enough;
Otherwise change the batteries.
24
Dial ON
Standby after
energizing
Selecting wired
controller
Main indoor
unit
Malfunction Analyzing
Dial OFF
Reset after
energizing
Selecting
receiver joint
Slave indoor
unit