Toshiba MMY-MAP0806HT7(J)P, Service Manual

Page: 166 / 350

MG-CTT: Magnet contactor
s U D P I f o r e b m u n n i r o r r E M I S 9 2 L 9 2 L
There are insufficient number of IPDUs (P.C.
boards) in inverter box.
M I S ) 0 3 L ( . o N t i n u r o o d n i d e t c e t e D 0 3 L
Indoor external error input
(interlock)
Indoor unit has been shut down for external error
input in one refrigerant line (detected by indoor
unit).
T L A 3 0 P – 3 0 P
Outdoor discharge (TD1)
temperature error Outdoor discharge temperature sensor (TD1) has
detected abnormally high temperature.
P05
00: Open phase detected
T L A 5 0 P
Open phase/power failure
Open phase is detected when power is turned on.
Inverter DC voltage is too high (overvoltage) or too
low (undervoltage).
01: Compressor 1
02: Compressor 2
Inverter DC voltage (Vdc)
error
MG-CTT error
P07
01: Compressor 1
02: Compressor 2
T L A 7 0 P
Heat sink overheating
error Temperature sensor built into
IPM
(TH) detects
overheating.
w o l f r e v o t i n u r o o d n I T L A ) 0 1 P ( d e t c e t e d . o N t i n u r o o d n I 0 1 P
Indoor unit has been shutdown in one refrigerant
line due to detection of overflow (detected by
indoor unit).
T L A 3 1 P – 3 1 P
Outdoor liquid backflow
detection error State of refrigerant cycle circuit indicates liquid
backflow operation.
P15
01: TS condition
02: TD condition
n o i t c e t e d k a e l s a G T L A 5 1 P
Outdoor suction temperature sensor (TS1) detects
sustained and repeated high temperatures that
exceed standard value.
T L A 7 1 P – 7 1 P
Outdoor discharge (TD2)
temperature error Outdoor discharge temperature sensor (TD2)
detects abnormally high temperature.
T L A 9 1 P d e t c e t e d . o N t i n u r o o d t u O 9 1 P
4-way valve reversing
error Abnormality in refrigerating cycle is detected
during heating operation.
T L A 0 2 P – 0 2 P
Activation of high-pressure
protection High pressure (Pd) sensor detects high pressure
that exceeds standard value.
Check code Display of receiving unit
Typical
problem
site Description of
problem
Outdoor 7-segment display TCC-LINK
central control
or main remote
controller
display
Indicator light block
Sub-code
Flash
Operation Timer Ready
Circle (O): Faulty IPDU
1 2 1 2 1 2 1 2
01 ○ 10 ○
02 ○ 11 ○ ○
03 ○ ○ 12 ○ ○
08 ○ 13 ○ ○ ○
09 ○ ○ 18 ○ ○
0A ○ ○ 19 ○ ○ ○
0B ○ ○ ○ 1A ○ ○ ○
1B ○ ○ ○ ○
A3-IPDU A3-IPDU Fan-IPDU Fan-IPDU
− 1 6 5 −