11
1
2
3
4
5
No.
Type
Contents
LED Lamp flash
Remarks
Mode conflict
Water level switch is
abnormal
Malfun-
ction
Malfun-
ction
Malfun-
ction
Malfun-
ction
Alarm
The evaporator sensor
check point is abnomal ,
or room temp.sensor is
abnormal.
Run lamp flashes
at 2.5Hz.
After the malfunctions
disappear, it restores
automatically.
Indoor/outdoor unit com-
munication is abnormal.
The timer lamp fla-
shes at 2.5Hz.
Condenser sensor check
point is abnormal or outdoor
temp. sensor is abnormal.
All the indoor alarm
lamps flash at 0.5Hz.
After the malfunctions
disappear, it restores
automatically.
If the malfunctions can t
be solved in three min.
all the indoor alarm
lamps flash at 0.5Hz.
Turn off the power to restore.
Alarm lamp flashes
at 2.5Hz.
Defrost lamp
flashes at 2.5Hz.
When the indoor unit turns
to heating mode or is turned
off, the alarm will disappear.
Run lamp
Timer lamp
Defrost lamp
Alarm lamp
Manual Switch
TROUBLE SHOOTING
INSTALL ELECT
RIC
THROTTLE PART
Please refer to the following figures to install.
The installation size is as follows:
266
16
5
215
75
Electric throttle part wires group
Indoor unit input pipe
Connection pipe copper nut joint
Electric throttle part pipe joint
Indoor unit input pipe joint
Electric throttle part pipe joint
Vertically upward install
NOTE
The electric throttle part should be installed vertically upward ,the slant and invertion are not allowed.
Use two spanners to connect the electric throttle parts with indoor/outdoor pipes to avoid the copper pipe cracking.
Please pay attention to the connection orientation when connecting.(Refer to the label sticking on the electric throttle
part.)
The size of electric throttle part : 215(L)X165(W)X75(H)mm.
The electric throttle part wires group connector is corresponding to the connector CN 15 on the indoor PCB.
After the malfunctions
disappear, it restores
automatically.
Содержание MDV-D28Q1/BN2
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