Toshiba RAV-HM301SDTY-E Owner's Manual page 128
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- Owner's manual (28 pages) ,
- Service manual (85 pages) ,
- Installation manual (41 pages)
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OM_D0X7303301-01_EN_Print.book Page 127 Friday, May 19, 2023 6:48 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
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
d
e
e t
c
e t
d
P
0
7
A
L
T
H
e
t a
s
n i
k
o
v
e
h r
e
t a
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
o r
u
b
e l
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
37-EN
Air
Judging
Parts to be checked / trouble description
conditioner
device
status
High-pressure switch --- The IOL was activated or an
Entire
Outdoor
trouble was detected in the high-pressure releasing
stop
control using the TE.
The power wire may be connected incorrectly. Check
Entire
O
u
d t
o
r o
open phase and voltages of the power supply.
stop
Abnormal temperature was detected by the temp.
Entire
O
u
d t
o
r o
sensor of the IGBT heat sink.
stop
Drain pipe, clogging of drainage, float switch circuit,
Entire
Indoor
indoor P.C. board --- Drainage is out of order or the
stop
float switch was activated.
Abnormal operation of the indoor fan motor, indoor
Entire
Indoor
P.C. board, or indoor DC fan (over current or lock,
stop
etc.) is detected.
There may be gas leakage from the pipe or
Entire
Outdoor
connecting part. Check for gas leakage.
stop
4-way valve, indoor temp. sensors (TC / TCJ) --- An
Outdoor
Auto-
trouble was detected due to temperature drop of the
(Indoor)
reset
indoor unit heat exchanger sensor when heating.
Entire
Outdoor
High-pressure protection
stop
Outdoor unit fan motor, outdoor unit P.C. board --- An
Entire
Outdoor
trouble (overcurrent, locking, etc.) was detected in the
stop
outdoor unit fan drive circuit.
IGBT, outdoor unit P.C. board, inverter wiring,
Entire
Outdoor
compressor --- Short-circuit protection for compressor
stop
drive circuit devices (G-Tr / IGBT) was activated.
Outdoor unit P.C. board, high-pressure switch ---
Entire
Outdoor
Compressor motor position trouble was detected.
stop
Entire
Another indoor unit in the group is raising an alarm.
stop
Indoor
E03/L07/L03/L08 alarm check locations and trouble
Auto-
description
reset
– 127 –
38-EN
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