8-2-2. Display of the Error Monitor Lamps
PAM (PFC) circuit failure
(1) Sensor open circuit or short circuit
(2) Contact failure at connector or open circuit at terminal
crimping location
(1) HIC or power Tr failure (2) Outdoor fan does not turn.
(3) Instantaneous power outage (4) Service valve not opened.
(5) Outdoor fan failure (6) Continuous overload operation
(7) Compressor failure (8) HIC board failure
(1) Sensor failure (2) Failure of electronic expansion valve
(3) Improper tubing connection (4) Control PCBoard failure
(1) Valve closure (2) Failure of electronic expansion valve
(3) OLR lead wire breaking (4) Control PCBoard failure
(1) Control PCBoard or Noise Filter PCBoard failure
(1) External ROM data failure (2) Control PCBoard failure
(1) Operating current is 23A or higher.
(1) PAM circuit abnormal voltage
(2) Protection for current (3) HIC Board failure
External ROM (OTP data) failure
Peak current cut-off
Actuation of compressor over load
relay
Electrical current sensor failure
HIC circuit trouble
Actuation of freeze protection
function
Sensor for branch pipe E failure
(Wide tube)
Sensor for compressor discharge
temp failure
Sensor for heat exchanger temp
failure
Sensor for outdoor air temp failure
Error0 Error1 Error2
Error Monitor Lamp
s
t
n
e
t
n
o
C
s
c
it
s
o
n
g
a
i
D
m
e
tI
s
c
it
s
o
n
g
a
i
D
Error3
Sensor for branch pipe D failure
(Wide tube)
Sensor for branch pipe E failure
(Narrow tube)
Sensor for branch pipe A failure
(Wide tube)
Sensor for branch pipe B failure
(Wide tube)
Sensor for branch pipe C failure
(Wide tube)
Sensor for branch pipe A failure
(Narrow tube)
Sensor for branch pipe D failure
(Narrow tube)
Sensor for branch pipe B failure
(Narrow tube)
Sensor for branch pipe C failure
(Narrow tube)
No-refrigerant protection
(1) Service valve not opened (2) Shortage of refrigerant
Compressor discharge overheat
prevention activated
(1) Electronic expansion valve failure (2) Capillaries choked
(3) Shortage of refrigerant
DC compressor drive failure
(1) Open phase (2) Compressor failure
(3) Control PCBoard or HIC Board failure
DC fan motor drive failure
(1) Contact failure at connector (2) Fan motor failure
(3) Control PCBoard failure
....
OFF
....
Blinking
....
ON
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