MIS92L92L
MIS)03L(.oN tinu roodni detceteD03L
Indoor external trouble
input (interlock)
Indoor unit has been shut down for external
trouble input in one refrigerant line (detected by
indoor unit).
TLA30P–30P
Outdoor discharge (TD1)
temperature trouble
Outdoor discharge temperature sensor (TD1) has
detected abnormally high temperature.
P05 TLA50P
Inverter DC voltage is too high (overvoltage) or
too low (undervoltage).
01: Compressor 1
02: Compre
ssor 2
Inverter DC voltage
(Vdc) trouble
P07
01: Compressor 1
02: Compressor 2
TLA70P
Heat sink overheating
trouble
Temperature sensor built into IPM (TH) detects
overheating.
wolfrevo tinu roodnITLA)01P(detceted .oN tinu roodnI01P
Indoor unit has been shutdown in one refrigerant
line due to detection of overflow (detected by
indoor unit).
TLA31P–31P
Outdoor liquid backflow
detection trouble
State of refrigerant cycle circuit indicates liquid
backflow operation.
P15
01: TS condition
02: TD condition
noitceted kael saGTLA51P
Outdoor suction temperature sensor (TS1) detects
sustained and repeated high temperatures that
exceed standard value.
TLA71P–71P
Outdoor discharge (TD2)
temperature trouble
Outdoor discharge temperature sensor (TD2)
detects abnormally high temperature.
TLA91Pdetceted .oN tinu roodtuO91P
4-way valve
reversing trouble
Abnormality in refrigerating cycle is detected
during heating operation.
TLA02P–02P
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 check code
Outdoor 7-segment display
TCC-LINK
central control
or main remote
controller
display
Indicator light block
Sub-code
Flash
Operation
Timer Ready
1 2 1
01 ○
02 ○
03 ○ ○
08 ○
09 ○ ○
0A ○ ○
0B ○ ○ ○
A3-IPDU Fan-IPDU
− 140 −
There are insufficient number of IPDUs (P.C.
boards) in inverter box
Trouble in number
of IPDUs.
AC power can not be detected.
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