Toshiba MMD-AP0186HP-E Service Manual page 60

(Errors detected by IPDU featuring in SMMS 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
P07
P20
SMMS (Series 1)
04: Rotation difference error
06: Maximum rotation exceeded
08: Out of step
0A: Idc activation
0C: Fan lock
0d: Lock
0E: Sync error
0F: Control error
P22
SMMS-i (Series 4)
0..: IGBT circuit
1..: Position detection circuit error
3..: Motor lockup error
4..: Motor current detection
C..: TH sensor error
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.
AMP Air Conditioning
Display of receiving unit
TCC-LINK
Indicator light block
central control
or main remote
OperationTimer Ready
Flash
controller
display
F13
ALT
H01
H02
H03
P04
ALT
ALT
P07
ALT High-pressure protection
P20
P22
ALT
P26
ALT
P29
ALT
– 60 –
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
Abnormal current is detected while inverter
Current detection circuit
compressor is turned off.
error
Activation of high-pressure
High-pressure SW is activated.
SW
Heat sink overheating Temperature sensor built into IGBT (TH) detects
error overheating.
High-pressure (Pd) sensor detected a value over
the criteria.
activation
Outdoor fan IPDU error 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.
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Description of error