Toshiba MMK-AP0074MH-E Service Manual page 50

Check code display list (Outdoor unit)
[SMMS-i unit IPDU detects error: Main example]
Check code display
Outdoor 7-segment
Auxiliary code
01: Compressor 1 side
F13 02: Compressor 2 side
03: Compressor 3 side
01: Compressor 1 side
H01 02: Compressor 2 side
03: Compressor 3 side
01: Compressor 1 side
H02 02: Compressor 2 side
03: Compressor 3 side
01: Compressor 1 side
H03 02: Compressor 2 side
03: Compressor 3 side
01: Compressor 1 side
P04 02: Compressor 2 side
03: Compressor 3 side
01: Compressor 1 side
P07 02: Compressor 2 side
03: Compressor 3 side
0∗: IGBT circuit
1∗: Position detection circuit error
3∗: Motor lock error
4∗: Motor current detection
P22 C∗: TH sensor error
D∗: TH sensor error
E∗: Inverter DC voltage error (Outdoor fan)
Note) In position ∗, 0 to F is displayed,
but ignore it.
01: Compressor 1 side
P26 02: Compressor 2 side
03: Compressor 3 side
01: Compressor 1 side
P29 02: Compressor 2 side
03: Compressor 3 side
Note) The above check codes are the representative examples and they differ according to the combined outdoor units (Cooling/Heating flex, etc.).
For details, refer to the Service Manual for the corresponding outdoor unit.
Sensor lamp display
Block display
TCC-LINK central &
remote controllers
Operation Timer Ready Flash
¥ ¥ ¡
F13 A
l ¥ l
H01
l ¥ l
H02
l ¥ l
H03
¥ l ¥
P04 A
¥ l ¥
P07 A
¥ l ¥
P22 A
¥ l ¥
P26 A
¥ l ¥
P29 A
(∗) ¡: Goes on, ¥: Flashes, l: Goes off
A (Alternate)
S (Simultaneously) : Two LED flash simultaneously when there are two flashing LED.
Main defective position
Outdoor IGBT built-in temp. sensor (TH) error
Compressor break down
Compressor error (Lock)
Current detection circuit error
High pressure SW system operation
Heat sink overheat error
IPDU for outdoor fan error
G-Tr (IGBT) short-circuit protection error
Compressor position detection circuit system error
: Flashing condition is alternate when there are two flashing LED.
Description
Open/Short of outdoor unit IGBT built-in temp. sensor (TH) was detected.
Inverter current (Idc) detection circuit detected over-current.
Compressor lock was detected.
Abnormal current was detected during stop of compressor.
High pressure SW operated.
High temp. error was detected in outdoor IGBT built-in temp. sensor (TH).
IPDU for outdoor fan detected each error.
Short-circuit protective operation (Instantaneous over-current) of
compressor motor driving circuit element operated.
Position detection error of compressor motor was detected.