Toshiba MD-VNK802HEXE, Service Manual

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(Example: Detected by IPDU in the SMMS-i standard outdoor unit)
Note: The above check codes are only examples, and differ depending on the outdoor unit combination (Cool /
Heat flex, etc.). For details, refer to the service guide of the target outdoor unit.
P05
00: Open phase detected
P05
Open phase error / Blackout error
Open phase error was detected when the power is turned on.
Overvoltage / Undervoltage was detected in the inverter DC
voltage.
01: Compressor 1
02: Compressor 2
03: Compressor 3
Inverter DC voltage (Vdc) error
P07
01: Compressor 1
02: Compressor 2
03: Compressor 3
P07 Heat sink overheat error
The extreme high temperature was detected by outdoor IGBT
built-in temperature sensor (TH).
P09 Detected thermal unit No. (P09) Thermal unit water shortage error
A water shortage error was detected in a thermal unit in a line.
(May be detected on the thermal unit)
P10 Detected indoor unit No. (P10) Indoor overflow detected
There is an indoor unit in a line, which has been stopped
abnormally due to overflow. (May be detected on the indoor unit)
P13 – P13
Outdoor compressor liquid
compression error The operation was regarded as liquid compression judging by
refrigerant cycle status.
P15
01: TS condition
02: TD condition
P15 Gas leak detection
The temperature higher than the criteria was detected by the
outdoor suction temperature sensor (TS1).
P17 – P17
Outdoor discharge (TD2)
temperature error The extreme high temperature was detected by outdoor discharge
temperature sensor (TD2).
P18 – P18
Outdoor discharge (TD3)
temperature error The extreme high temperature was detected by outdoor discharge
temperature sensor (TD3).
P19 Detected outdoor unit No. P19 Four-way valve reverse error A refrigerant cycling error was detected during heating.
P20 – P20 High-pressure protection activation High-pressure (Pd) sensor detected a value over the criteria.
P24 Detected thermal unit No. P24 Thermal unit error (Code)
The thermal unit detected an error. (The thermal remote controller
displays detailed check code in addition to the unit No.)
Check code
Typical cause of error Description
7-segment display of outdoor unit Local remote
controller &
TCC-LINK
central controller
Sub-code
F13
01: Compressor 1
02: Compressor 2
03: Compressor 3
F13
Outdoor IGBT built-in temperature
sensor (TH) error Open-circuit or short-circuit of the outdoor IGBT built-in
temperature sensor (TH) was detected.
H01
01: Compressor 1
02: Compressor 2
03: Compressor 3
H01 Compressor breakdown
Overcurrent of the inverter current (Idc) detection circuit was
detected.
H02
01: Compressor 1
02: Compressor 2
03: Compressor 3
H02 Compressor error (Lock) Compressor lock was detected
H03
01: Compressor 1
02: Compressor 2
03: Compressor 3
H03 Current detection circuit error Current error was detected while the compressor was stopped.
P04
01: Compressor 1
02: Compressor 2
03: Compressor 3
P04 High-pressure SW activation High-pressure SW was activated
P07
01: Compressor 1
02: Compressor 2
03: Compressor 3
P07 Heat sink overheat error
The extreme high temperature was detected by outdoor IGBT
built-in temperature sensor (TH).
P22
0 : IGBT circuit
1 : Position detection circuit error
3 : Motor lock error
4 : Motor current detection
C : TH sensor error
D : TH sensor error
E : Inverter DC voltage error
(Outdoor fan)
Note: 0 – F appears in " ", above.
Ignore it.
P22 Outdoor fan IPDU error Outdoor fan IPDU error detected an error.
P26
01: Compressor 1
02: Compressor 2
03: Compressor 3
P26
G-Tr (IGBT) short circuit protection
error The short circuit protection (instant overcurrent) worked for the
compressor motor drive circuit element.
P29
01: Compressor 1
02: Compressor 2
03: Compressor 3
P29
Compressor position detection
circuit error
Position detection error of the compressor motor was detected.
Check code
Typical cause of error Description
7-segment display of outdoor unit Local remote
controller &
TCC-LINK
central controller
Sub code