Toshiba RAV-HM301SDTY-E Installation Manual page 34

IM_D0X7205001-01_EN.book Page 140 Friday, May 19, 2023 9:06 PM
Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Main defective parts
Operation Timer
Indication Ready Flashing
GR GR OR
F 1 2 A L T T S s e n s o t r o r u b e l
Heat sink sensor
F 1 3 A L T
trouble
Temp. sensor
F 1 5 A L T
connection trouble
Indoor unit, other P.C.
F 2 9 I S M
board trouble
Occupancy sensor
F 3 0 I S M
trouble
Outdoor unit P.C.
F 3 1 I S M
board
Outdoor unit
H01 compressor
breakdown
Outdoor unit
H02
compressor lock
Outdoor unit current
H03
detect circuit trouble
Case thermostat
H04
operation
Outdoor unit low-
H06 pressure system
trouble
Duplicated header
L 0 3 I S M
indoor units
Group line in
L 0 7 I S M individual indoor unit
Indoor group address
L 0 8 I S M
not set
Indoor unit capacity
L 0 9 I S M
not set
Outdoor unit P.C.
L 1 0 I S M
board
LAN communication
L 2 0 I S M
trouble
Other outdoor unit
L 2 9 I S M
trouble
Abnormal external
L 3 0 I S M input into indoor unit
(interlock)
Phase sequence
L 3 1 I S M
trouble, etc.
P 0 1 A L T n I d o r o u n t i a f n t o r u b e l
Outdoor unit
P 0 3 A L T discharge temp.
trouble
63-EN
Air
Judging
Parts to be checked / trouble description conditioner
device
status
TS sensor may be displaced, disconnected or short- Entire
O u d t o r o
circuited. stop
Abnormal temperature was detected by the temp. Entire
Outdoor
sensor of the IGBT heat sink. stop
Entire
Outdoor Temp. sensor (TE / TS) may be connected incorrectly.
stop
Auto-
Indoor Indoor P.C. board --- EEPROM trouble
reset
Operation
Indoor Abnormality was detected from occupancy sensor.
continued
Outdoor P.C. board ---- In the case of EEPROM Entire
Outdoor
trouble. stop
Current detect circuit, power voltage --- Minimum
frequency was reached in the current releasing Entire
Outdoor
control or short-circuit current (Idc) after direct stop
excitation was detected
Entire
Outdoor Compressor circuit --- Compressor lock was detected.
stop
Current detect circuit, outdoor unit P.C. board ---
Entire
Outdoor Abnormal current was detected in AC-CT or a phase
stop
loss was detected.
Entire
Outdoor Malfunction of the case thermostat
stop
Current, high-pressure switch circuit, outdoor P.C.
Entire
Outdoor board --- Pressure sensor trouble was detected or
stop
low-pressure protective operation was activated.
Indoor address setting trouble --- There are two or Entire
Indoor
more header units in the group. stop
Indoor address setting trouble --- There is at least one
Entire
Indoor group-connected indoor unit among individual indoor
stop
units.
Indoor address setting trouble --- Indoor address Entire
Indoor
group has not been set. stop
Entire
Indoor Indoor unit capacity has not been set.
stop
In the case of outdoor P.C. board jumper wire (for Entire
Outdoor
service) setting trouble stop
Network
Address setting, central control remote controller,
adapter Auto-
network adapter --- Duplication of address in central
central reset
control communication
control
Entire
Other outdoor unit trouble
stop
1) Communication trouble between IPDU MCU and
Outdoor
CDB MCU
Entire
stop
2) Abnormal temperature was detected by the heat
sink temp. sensor in IGBT.
External devices, outdoor unit P.C. board ---
Entire
Indoor Abnormal stop due to incorrect external input into
stop
CN80
Operation
Power supply phase sequence, outdoor unit P.C.
continued
Outdoor board --- Abnormal phase sequence of the 3-phase
(thermost
power supply
at OFF)
Indoor fan motor, indoor P.C. board --- Indoor AC fan
Entire
n I d o r o trouble (fan motor thermal relay activated) was
stop
detected.
An trouble was detected in the discharge temp. Entire
Outdoor
releasing control. stop
Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Main defective parts
Operation Timer
Indication Ready Flashing
GR GR OR
Outdoor unit high-
P 0 4 A L T pressure system
trouble
P 0 5 A L T O p e n p h a s e
P 0 7 A L T H e t a s n i k o v e
Indoor unit water
P 1 0 A L T
overflow detected
The fan trouble of the
P 1 2 A L T
indoor unit
Gas leakage
P 1 5 A L T
detected
P 1 9 A L T - 4 w a y v a v l e t
High-pressure
P 2 0 A L T
protective operation
Outdoor unit fan
P 2 2 A L T
trouble
Outdoor unit inverter
P 2 6 A L T
Idc activated
Outdoor unit position
P 2 9 A L T
trouble
Other indoor unit
P 3 1 A L T
trouble
: Lighting : Flashing : OFF : The air conditioner automatically enters the auto-address setting mode.
ALT: When two LEDs are flashing, they flash alternately. SIM: When two LEDs are flashing, they flash in synchronization.
Receiving unit display OR: Orange GR: Green
– 140 –
Judging
Parts to be checked / trouble description
device
High-pressure switch --- The IOL was activated or an
Outdoor trouble was detected in the high-pressure releasing
control using the TE.
The power wire may be connected incorrectly. Check
d e e t c e t d O u d t o r o
open phase and voltages of the power supply.
Abnormal temperature was detected by the temp.
h r e t a O u d t o r o
sensor of the IGBT heat sink.
Drain pipe, clogging of drainage, float switch circuit,
Indoor indoor P.C. board --- Drainage is out of order or the
float switch was activated.
Abnormal operation of the indoor fan motor, indoor
Indoor P.C. board, or indoor DC fan (over current or lock,
etc.) is detected.
There may be gas leakage from the pipe or
Outdoor
connecting part. Check for gas leakage.
4-way valve, indoor temp. sensors (TC / TCJ) --- An
Outdoor
o r u b e l trouble was detected due to temperature drop of the
(Indoor)
indoor unit heat exchanger sensor when heating.
Outdoor High-pressure protection
Outdoor unit fan motor, outdoor unit P.C. board --- An
Outdoor trouble (overcurrent, locking, etc.) was detected in the
outdoor unit fan drive circuit.
IGBT, outdoor unit P.C. board, inverter wiring,
Outdoor compressor --- Short-circuit protection for compressor
drive circuit devices (G-Tr / IGBT) was activated.
Outdoor unit P.C. board, high-pressure switch ---
Outdoor
Compressor motor position trouble was detected.
Another indoor unit in the group is raising an alarm.
Indoor
E03/L07/L03/L08 alarm check locations and trouble
description
Air
conditioner
status
Entire
stop
Entire
stop
Entire
stop
Entire
stop
Entire
stop
Entire
stop
Auto-
reset
Entire
stop
Entire
stop
Entire
stop
Entire
stop
Entire
stop
Auto-
reset
64-EN