113
(Errors detected by IPDU featuring in outdoor unit - typical examples)
Note: The above check codes are examples only, and different check codes may be displayed depending on the outdoor unit configuration
(e.g. a Super heat recovery multi system). For details, see the service manual for the outdoor unit.
Check code
Display of receiving unit
Typical fault site
Description of error
Outdoor 7-segment display
TCC-LINK
central control
or main remote
controller
display
Indicator light block
Sub-code
Flash
T
L
A
3
1
F
–
3
1
F
Error in temperature
sensor built into indoor
IGBT (TH)
Temperature sensor built into indoor IGBT (TH)
has been open / short-circuited.
n
w
o
d
k
a
e
r
b
r
o
s
s
e
r
p
m
o
C
1
0
H
–
1
0
H
Inverter current (Idc) detection circuit detects
overcurrent.
H02
–
H02
Compressor error (lockup) Compressor lockup is detected.
H03
–
H03
Current detection circuit
error
Abnormal current is detected while inverter
compressor is turned off.
T
L
A
7
0
P
–
7
0
P
Heat sink overheating
error
Temperature sensor built into IGBT (TH) detects
overheating.
P22
0 : IGBT circuit
1 : Position detection circuit error
3 : Motor lockup error
E : Inverter DC voltage error
(outdoor fan)
Note: Although letters 0 to F appear
at locations indicated by “ ”,
please ignore them.
.r
o
rr
e
s
t
c
e
t
e
d
U
D
P
I
n
a
f
r
o
o
d
t
u
O
r
o
r
r
e
U
D
P
I
n
a
f
r
o
o
d
t
u
O
T
L
A
2
2
P
T
L
A
6
2
P
–
6
2
P
Activation of IGBT (IPM)
short-circuit protection
Short-circuit protection for compressor motor
driver circuit components is activated (momentary
overcurrent).
T
L
A
9
2
P
–
9
2
P
Compressor position
detection circuit error
Compressor motor position detection error is
detected.
Operation Timer Ready
101