Toshiba MMU-AP0072H2UL Service Manual page 83

(Errors detected by IPDU featuring in SMMS-i standard outdoor unit - typical examples)
Check code
Outdoor 7-segment display
Sub-code
01: Compressor 1
F13 02: Compressor 2
03: Compressor 3
01: Compressor 1
H01 02: Compressor 2
03: Compressor 3
01: Compressor 1
H02 02: Compressor 2
03: Compressor 3
01: Compressor 1
H03 02: Compressor 2
03: Compressor 3
01: Compressor 1
P04 02: Compressor 2
03: Compressor 3
01: Compressor 1
P07 02: Compressor 2
03: Compressor 3
0 : IGBT circuit
1 : Position detection circuit error
3 : Motor lockup error
4 : Motor current detection
C : TH sensor error
P22 D : TH sensor error
E : Inverter DC voltage error
(outdoor fan)
Note: Although letters 0 to F appear
at locations indicated by " ",
please ignore them.
01: Compressor 1
P26 02: Compressor 2
03: Compressor 3
01: Compressor 1
P29 02: Compressor 2
03: Compressor 3
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.
Display of receiving unit
TCC-LINK Indicator light block
central control
or main remote
Operation Timer Ready
controller Flash
display
F13 ALT
H01
H02
H03
P04 ALT
P07 ALT
P22 ALT Outdoor fan IPDU error
P26 ALT
P29 ALT
Typical fault site
Error in temperature
Temperature sensor built into indoor IGBT (TH)
sensor built into indoor
has been open/short-circuited.
IGBT (TH)
Inverter current (Idc) detection circuit detects
Compressor breakdown
overcurrent.
Compressor error (lockup) Compressor lockup is detected
Current detection circuit Abnormal current is detected while inverter
error compressor is turned off.
Activation of high-pressure
High-pressure SW is activated.
SW
Heat sink overheating Temperature sensor built into IGBT (TH) detects
error overheating.
Outdoor fan IPDU detects error.
Short-circuit protection for compressor motor
Activation of G-Tr (IGBT)
driver circuit components is activated (momentary
short-circuit protection
overcurrent).
Compressor position Compressor motor position detection error is
detection circuit error detected.
83
Description of error