91
PCB board of indoor unit
is in bad condition;
Wires around the PCB
board of indoor unit are
broken and the insertion
of socket is poor.
Whether the fan
is rotating in air supply
mode
Whether
another indoor
unit starts
operating
Whether
the voltage of
the indoor unit fan
is AC220V
Whether
the winding
resistance of fan
motor is
normal
Whether the
fan capacitor is
appropriate
Whether there
is AC15V voltage
between terminal B and
C of wired controller
Whether the indoor
fan is rotating
Whether the fan
is rotating in correct
direction
Whether
there is AC15V
voltage between
terminal B and C
of indoor unit
Under heating mode, the
fan is not rotating, and
the wired controller LCD
"preheating" is turned on.
In starting of oil
temperature preheating;
In control of oil return
in heating mode;
In the process of
defrosting in heating
mode;
Resistance of TC2
sensor is poor.
PCB board of indoor
unit is in bad condition;
Wires around the PCB
board of indoor unit are
broken and the insertion
of socket is poor.
Wrong connection
between indoor unit
and wired controller
Wrong connection
between indoor unit and
wired controller
Capacitor of fan motor is
poor
Indoor
screen is
blocked
Indoor heat exchanger
is plugged.
Motor of indoor fan is in
bad condition
The capacitor of fan motor
is poor
Check the power
supply voltage
Remove the wire of
fan motor
Wires around the
PCB board of indoor
unit are broken
and the insertion of
socket is poor.
*1
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Summary of Contents for AWAU-YDV1010-H13
Page 1: ...SYJS 03 2017 REV A Edition 2017 03 Service Manual Flow Logic III...
Page 56: ...54 7 Operation range...
Page 102: ...100 Power module driver board 0151800090B and 0151800090...
Page 103: ...101 Filter board MHW505A012...
Page 187: ...Airwell reserves the right to make change without any notice...