Filter
Top Products
135
Check code
Outdoor 7-segment display
Main
remote
controller
Check code Sub-code
AI-NET
central control
remote controller
Detected
position
Check code name Status Error detection condition Check item (position)
All stop
(Sub-code: 0)
• Short-circuit current was detected at start
time.
• Short-circuit current was detected when
checking IGBT short-circuit before start time.
• Check fan motor. (Interphase short-circuit)
• Check fan IPDU error.
All stop
(Sub-code: 1)
• The standard value of detection circuit of fan
IPDU current fluctuated at start time.
• Check fan IPDU error.
All stop
(Sub-code: 3)
• Abnormal current was detected within 30
seconds after start time.
• Check fan motor. (Lock, phase missing)
• Check cause of abnormal overload at start time.
• Check connection of connector to fan motor.
All stop
(Sub-code: 4)
• Short-circuit current was detected when 2
seconds or more passed after start time.
• Over-current was detected when 30 seconds
or more passed after start time.
• Check power supply voltage.
• Check fan IPDU error.
All stop
(Sub-code: C)
• Heat sink sensor (TH) of fan IPDU detected
95°C error.
• Check outdoor fan system.
• Check fan IPDU error.
• Check fixation between fan IPDU and heat sink.
All stop
(Sub-code: D)
• Heat sink sensor (TH) of fan IPDU detected
short-circuiting or open.
• Check fan IPDU error.
P22 P22
0: IGBT shortage
1: Position detection
circuit error
3: Motor lock error
4: Motor current error
detection
C: TH sensor temp.
error
D: TH sensor error
E: Vdc error
1A FAN-IPDU Outdoor fan IPDU
error
All stop
(Sub-code: E)
• Input power supply voltage of the fan IPDU
over the setup value was detected.
• Input power supply terminal of the fan IPDU
was unconnected.
• Power supply P.C. board error of the fan IPDU
• Check input power supply voltage of the fan IPDU.
• Check power supply P.C. board error of the fan IPDU.
• Check error of external electrolytic condenser.
P26 P26
01: Compressor 1 side
02: Compressor 2 side
14 IPDU G-Tr short-circuit
protection error
All stop Instantaneous over-current was detected when
compressor started.
• Check connector connection and wiring on IPDU P.C. board.
• Check compressor error and defect of compressor coil.
• Check outdoor P.C. board (IPDU) error.
P29 P29
01: Compressor 1 side
02: Compressor 2 side
16 IPDU Compressor
position detection
circuit error
All stop Position detected was not normal.
• Check connector connection and wiring.
• Check compressor error and defect of compressor coil.
• Check P.C. board (IPDU) error.
P31 —— 47 Indoor Other indoor error
(Group follower unit
error)
Correspondin
g
unit only stops.
E07/L07/L03/L08 was detected when other
indoor unit in the group was defective.
• Check indoor P.C. board.