Table of Contents
Advertisement
Ducted Type Split Air-Conditioner Units(Inverter Series)
6 Error Indication
Inquiry method of error indication: combine division symbol and content symbol to check the
corresponding error.
For example, division symbol L and content symbol 4 together means over-current protection.
Content
symbol
0
Division
symbol
Malfunction
L
of IDU
(uniform)
d
-
Malfunction
E
of ODU
(uniform)
Main board
F
of ODU is
poor
J
-
b
-
malfunction
of driving
P
board of
compressor
(uniform)
Malfunction
of driving
H
board of fan
(uniform)
1
2
Auxiliary
Protection of
heating
indoor fan
protection
Indoor PCB
-
is poor
Discharge
High-pressur
low-temperatur
e protection
e protection
Malfunction
of
-
high-pressur
e sensor
Over-current
protection of
-
compressor
1
Malfunction
Malfunction of
of outdoor
defrosting
ambient
temperature
temperature
sensor 1
sensor
Driving
Voltage
protection of
board of
compressor
driving board
operates
power of
abnormally
compressor
(uniform)
(uniform)
Driving
Voltage
board of fan
protection of
operates
driving board
abnormally
power of fan
(uniform)
(uniform)
21
3
4
Water-full
Over-current
protection
protection
Malfunction of
Malfunction
ambient
of entry-tube
temperature
temperature
sensor
sensor
High
discharge
Low-pressure
temperature
protection
protection of
compressor
Malfunction of
low-pressure
-
sensor
-
-
Malfunction
of liquid
-
temperature
sensor of
sub-cooler
Reset
protection of
Drive PFC
driving
protection of
module of
compressor
compressor
Reset
Drive PFC
protection of
protection of
driving
fan
module of fan
5
Freeze
prevention
protection
Malfunction of
middle
temperature
sensor
High
discharge
temperature
protection of
compressor 1
Malfunction of
discharge
temperature
sensor of
compressor 1
-
Malfunction of
gas
temperature
sensor of
sub-cooler
Over-current
protection of
inverter
compressor
Over-current
protection of
inverter fan
Advertisement
Table of Contents
