9
TROUBLESHOOTING
Check code
Main
Outdoor 7-segment display
remote
controller
display
Auxiliary code
P01
—
P03
P03
01: Comp. 1 side
P04
P04
02: Comp. 2 side
01: Phase-missing detection
P05
P05
02: Phase error
01: Comp. 1 side
P07
P07
02: Comp. 2 side
P10
P10
Detected indoor address
P12
—
P13
P13
01: TS condition
P15
P15
02: TD condition
P17
P17
P19
P19
Detected outdoor unit number
P20
P20
0
: IGBT short
1
: Fan motor position
detective circuit error
3
: Fan motor trouble
P22
P22
C
: TH sensor temp. error
(Heat sink overheat)
D
: TH sensor error
E
: Vdc output error
01: Comp. 1 side
P26
P26
02: Comp. 2 side
01: Comp. 1 side
P29
P29
02: Comp. 2 side
P31
P31
—
—
—
—
—
—
Error detected by TCC-LINK central control device
Check code
Central
Outdoor 7-segment display
control
device
indication
Auxiliary code
C05
—
C06
—
C12
—
Differs according to error contents of unit with occurrence of alarm
P30
—
Terminology
TCC-LINK : TOSHIBA Carriea Cominication Link.
AI-NET central
control display
—
11
—
1E
21
AF
IC
Ob
—
11
—
47
AE
—
bb
O8
—
22
1A
14
16
—
47
—
b7
—
97
—
99
AI-NET central
control display
—
—
—
—
—
—
—
(L20 is displayed.)
Wireless remote controller
Sensor block display
of receiving unit
Operation
Timer Ready Flash
¤
¤
ALT
Indoor fan motor error
¤
¤
ALT
Discharge temp. TD1 error
¤
¤
ALT
High-pressure SW system operation
¤
¤
ALT
Phase-missing detection /Phase error
¤
¤
ALT
Heat sink overheat error
¤
¤
ALT
Indoor overflow error
¤
¤
ALT
Indoor fan motor error
¤
¤
ALT
Outdoor liquid back detection error
¤
¤
ALT
Gas leak detection
¤
¤
ALT
Discharge temp. TD2 error
¤
¤
ALT
4-way valve inverse error
¤
¤
ALT
High-pressure protective operation
¤
¤
ALT
Outdoor fan IPDU error
¤
¤
ALT
G-TR short protection error
¤
¤
ALT
Comp position detective circuit system error
Other indoor unit error
¤
¤
ALT
(Group terminal unit error)
By alarm device
ALT
Error in indoor group
—
AI-NET communication system error
—
Duplicated network adaptors
Wireless remote controller
Sensor block display
of receiving unit
Timer Ready Flash
Operation
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
21
Check code name
Check code name
General-purpose equipment
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
AI-NET
AI-NET
Judging device
TCC-LINK
TCC-LINK
I/F
TCC-LINK