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Check code
Main
remote
controller
display
P01
P03
P04
P05
P07
P10
P12
P13
P15
P17
P19
P20
P22
P26
P29
P31
—
Outdoor 7-segment display
Auxiliary code
——
P03 —
P04
01: Comp. 1 side
02: Comp. 2 side
P05
01: Phase-missing detection
02: Phase error
P07
01: Comp. 1 side
02: Comp. 2 side
P10 Detected indoor address
——
P13 —
P15
01: TS condition
02: TD condition
P17 —
P19 Detected outdoor unit number
P20 —
0 : IGBT short
1
: Fan motor position
detective circuit error
P22
3
: Fan motor trouble
C
: TH sensor temp. error
(Heat sink overheat)
D
: TH sensor error
E
: Vdc output error
P26
01: Comp. 1 side
02: Comp. 2 side
P29
01: Comp. 1 side
02: Comp. 2 side
P31 —
——
Wireless remote controller
Sensor block display
of receiving unit
Operation
Timer Ready Flash
l
¤¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
l
¤¤
ALT
l
¤¤
ALT
l
¤¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
¤
l
¤
ALT
By alarm deviceALT
Check code name
Indoor fan motor error
Discharge temp. TD1 error
High-pressure SW system operation
Phase-missing detection /Phase error
Heat sink overheat error
Indoor overflow error
Indoor fan motor error
Outdoor liquid back detection error
Gas leak detection
Discharge temp. TD2 error
4-way valve inverse error
High-pressure protective operation
Outdoor fan IPDU error
G-TR short protection error
Comp position detective circuit system error
Other indoor unit error
(Group terminal unit error)
Error in indoor group
Judging device
Indoor
I/F
IPDU
I/F
IPDU, I/F
Indoor
Indoor
I/F
I/F
I/F
I/F
I/F
IPDU
IPDU
IPDU
Indoor
AI-NET
Error detected by TCC-LINK central control device
Check code
Central
control
device
indication
C05
C06
C12
P30
Outdoor 7-segment display
Auxiliary code
——
——
——
Wireless remote controller
Sensor block display
of receiving unit
Operation
Timer Ready Flash
—
—
—
Check code name
Sending error in TCC-LINK central
control device
Receiving error in TCC-LINK central
control device
Batch alarm of general-purpose
equipment control interface
Group control branching unit error
Duplicated central control addresses
Judging device
TCC-LINK
TCC-LINK
General-purpose equipment
I/F
TCC-LINK
Differs according to error contents of unit with occurrence of alarm
(L20 is displayed.)——
Terminology
TCC-LINK : TOSHIBA Carrier Communication Link.
12
TROUBLESHOOTING