D101
D102
D103
D104
D105
D106
D107
D108
D109
Meaning
Meaning
Meaning
Compressor operates
Air exhaust protection
frequency reducing
Air exhaust protection
frequncy limit
Compressor high pressure protection
unit stop
Cooling overload frequncy
reducing
Cooling overload frequncy limit
Air exhaust protection unit stop
Over current protection
frequency reducing
Over current protection
frequency limit
Communication malfunction unit stop
(Include indoor unit and driver
Phase current protection
frequncy reducing
Phase current protection
frequncy limit
IPM modular protection
unit stop
Heating A unit anti-high
temperature frequncy reducing
Heating A unit anti-high
temperature frequncy limit
Over current protection
unit stop
Heating B unit anti-high
temperature frequncy reducing
Heating B unit anti-high
temperature frequncy limit
Cooling overload unit stop
Heating C unit anti-high
temperature frequncy reducing
Heating C unit anti-high
temperature frequncy limit
Each indoor unit starts heating at same time
anti-high temperature protection unit stop
Heating D unit anti-high
temperature frequncy reducing
Heating D unit anti-high
temperature frequncy limit
Each indoor unit anti-freezing protection
at same time unit stop
Defrosting
Oil return
Outdoor unit temp. sensor malfunction
or each indoor unit temp. sensor malfunction unit stop
Compressor overload protection
unit stop
Compressor low-pressure protection
unit stop (preserved)
Phase current protection
unit stop
E2 PROM Error
unit stop
DC power supply short circuit
Meaning
Meaning
Meaning
Outdoor ambient temp. sensor malfunction
Outdoor tube temp. sensor malfunction
Outdoor air exhaust temp. sensor
malfunction
Communication malfunction with
driver (cannot receive correct data from
driver within 10s)
A unit communication malfunction
(cannot receive correct data within
3mins.)
B unit communication malfunction
(cannot receive correct data within
3mins.)
A unit indoor middle temp. sensor
malfunction
B unit indoor middle temp. sensor
malfunction
A unit indoor outlet pipe temp. sensor
malfunction
B unit indoor outlet pipe temp. sensor
malfunction
A unit indoor inlet pipe temp.
sensor malfunction
B unit indoor inlet pipe temp.
sensor malfunction
A unit indoor ambient temp.
sensor malfunction
B unit indoor ambient temp.
sensor malfunction
A unit modes conflict
B unit modes conflict
A unit anti-freezing protection
B unit anti-freezing protection
A unit anti-high temp. protection
B unit anti-high temp. protection
Meaning
C unit communication malfunction
(cannot receive correct data within
3mins.)
D unit communication malfunction
(cannot receive correct data within
3mins.)
Received communication data
proof test correct will flash once
C unit indoor middle temp. sensor
malfunction
D unit indoor middle temp. sensor
malfunction
C unit indoor outlet pipe temp. sensor
malfunction
D unit indoor outlet pipe temp. sensor
malfunction
C unit indoor inlet pipe temp.
sensor malfunction
D unit indoor inlet pipe temp.
sensor malfunction
C unit indoor ambient temp.
sensor malfunction
D unit indoor ambient temp.
sensor malfunction
C unit modes conflict
D unit modes conflict
C unit anti-freezing protection
C unit anti-high temp. protection
D unit anti-freezing protection
D unit anti-high temp. protection
Blink once
Blink once
Blink once
Twice
Twice
Twice
Three times
Three times
Three times
Four
times
Five
times
Six
times
Seven
times
Eight
times
Nine
times
Ten
times
Eleven
times
Twelve
times
Thirteen
times
Fourteen
times
Fifteen
times
Four
times
Four
times
Five
times
Five
times
Six
times
Six
times
Seven
times
Seven
times
Eight
times
Eight
times
Nine
times
Nine
times
Blink once
Twice
Three times
Four
times
Blink once
Blink once
Twice
Twice
Three times
Three times
Four
times
Four
times
Five
times
Six
times
Seven
times
Eight
times
Eight
times
Seven
times
Six
times
Five
times
Blink once
Blink once
Twice
Twice
Three times
Three times
Four
times
Four
times
Five
times
Five
times
Seven
times
Seven
times
Six
times
Six
times
Eight
times
Eight
times
INSTALLER
FAULT INDICATION
9
Meaning
Meaning