Toshiba RAV-SM407MUT-E Installation Manual page 27

Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Main defective parts
Operation Timer
Ready
Indication Flashing
GR GR OR
F12 ALT TS sensor trouble
Heat sink sensor
F13 ALT
trouble
Temp. sensor
F15 ALT
connection trouble
Indoor unit, other P.C.
F29 SIM
board trouble
Occupancy sensor
F30 SIM
trouble
Outdoor unit P.C.
F31 SIM
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
L03 SIM
indoor units
Group line in
L07 SIM individual indoor unit
Indoor group address
L08 SIM
not set
Indoor unit capacity
L09 SIM
not set
Outdoor unit P.C.
L10 SIM
board
LAN communication
L20 SIM
trouble
Other outdoor unit
L29 SIM
trouble
Abnormal external
L30 SIM input into indoor unit
(interlock)
Phase sequence
L31 SIM
trouble, etc.
P01 ALT Indoor unit fan trouble Indoor
Outdoor unit
P03 ALT discharge temp.
trouble
51-EN
Judging
Parts to be checked / trouble description
device
TS sensor may be displaced, disconnected or short-
Outdoor
circuited.
Abnormal temperature was detected by the temp.
Outdoor
sensor of the IGBT heat sink.
Temp. sensor (TE / TS) may be connected incorrectly. Entire
Outdoor
Indoor Indoor P.C. board --- EEPROM trouble
Indoor Abnormality was detected from occupancy sensor.
Outdoor P.C. board ---- In the case of EEPROM
Outdoor
trouble.
Current detect circuit, power voltage --- Minimum
frequency was reached in the current releasing
Outdoor
control or short-circuit current (Idc) after direct
excitation was detected
Compressor circuit --- Compressor lock was detected. Entire
Outdoor
Current detect circuit, outdoor unit P.C. board ---
Outdoor Abnormal current was detected in AC-CT or a phase
loss was detected.
Outdoor Malfunction of the case thermostat
Current, high-pressure switch circuit, outdoor P.C.
Outdoor board --- Pressure sensor trouble was detected or
low-pressure protective operation was activated.
Indoor address setting trouble --- There are two or
Indoor
more header units in the group.
Indoor address setting trouble --- There is at least one
Indoor group-connected indoor unit among individual indoor
units.
Indoor address setting trouble --- Indoor address
Indoor
group has not been set.
Indoor Indoor unit capacity has not been set.
In the case of outdoor P.C. board jumper wire (for
Outdoor
service) setting trouble
Network
Address setting, central control remote controller,
adapter
network adapter --- Duplication of address in central
central
control communication
control
Other outdoor unit trouble
1) Communication trouble between IPDU MCU and
Outdoor
CDB MCU
2) Abnormal temperature was detected by the heat
sink temp. sensor in IGBT.
External devices, outdoor unit P.C. board ---
Indoor Abnormal stop due to incorrect external input into
CN80
Power supply phase sequence, outdoor unit P.C.
Outdoor board --- Abnormal phase sequence of the 3-phase
power supply
Indoor fan motor, indoor P.C. board --- Indoor AC fan
trouble (fan motor thermal relay activated) was
detected.
An trouble was detected in the discharge temp.
Outdoor
releasing control.
Wired
Wireless remote controller
remote
Sensor block display of
controller
Air
receiving unit
display
conditioner
status
Operation Timer
Ready
Indication
GR GR OR
Entire
stop P04
Entire
stop
P05
stop
P07
Auto-
reset
P10
Operation
continued
Entire
P12
stop
P15
Entire
stop
P19
stop
P20
Entire
stop
P22
Entire
stop
P26
Entire
stop
P29
Entire
stop
Entire
P31
stop
Entire
stop
: Lighting : Flashing : OFF
Entire ALT: When two LEDs are flashing, they flash alternately. SIM: When two LEDs are flashing, they flash in synchronization.
stop
Receiving unit display OR: Orange GR: Green
Entire
stop
Auto-
reset
Entire
stop
Entire
stop
Entire
stop
Operation
continued
(thermost
at OFF)
Entire
stop
Entire
stop
– 26 –
Judging
Main defective parts Parts to be checked / trouble description
device
Flashing
Outdoor unit high- High-pressure switch --- The IOL was activated or an
ALT pressure system Outdoor trouble was detected in the high-pressure releasing
trouble control using the TE.
The power wire may be connected incorrectly. Check
ALT Open phase detected Outdoor
open phase and voltages of the power supply.
Abnormal temperature was detected by the temp.
ALT Heat sink overheat Outdoor
sensor of the IGBT heat sink.
Drain pipe, clogging of drainage, float switch circuit,
Indoor unit water
ALT Indoor indoor P.C. board --- Drainage is out of order or the
overflow detected
float switch was activated.
Abnormal operation of the indoor fan motor, indoor
The fan trouble of the
ALT Indoor P.C. board, or indoor DC fan (over current or lock,
indoor unit
etc.) is detected.
Gas leakage There may be gas leakage from the pipe or
ALT Outdoor
detected connecting part. Check for gas leakage.
4-way valve, indoor temp. sensors (TC / TCJ) --- An
Outdoor
ALT 4-way valve trouble trouble was detected due to temperature drop of the
(Indoor)
indoor unit heat exchanger sensor when heating.
High-pressure
ALT Outdoor High-pressure protection
protective operation
Outdoor unit fan motor, outdoor unit P.C. board --- An
Outdoor unit fan
ALT Outdoor trouble (overcurrent, locking, etc.) was detected in the
trouble
outdoor unit fan drive circuit.
IGBT, outdoor unit P.C. board, inverter wiring,
Outdoor unit inverter
ALT Outdoor compressor --- Short-circuit protection for compressor
Idc activated
drive circuit devices (G-Tr / IGBT) was activated.
Outdoor unit position Outdoor unit P.C. board, high-pressure switch ---
ALT Outdoor
trouble Compressor motor position trouble was detected.
Another indoor unit in the group is raising an alarm.
Other indoor unit
ALT Indoor
trouble
E03/L07/L03/L08 alarm check locations and trouble
description
: The air conditioner automatically enters the auto-address setting mode.
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
52-EN