Toshiba RAV-SM182UTP-UL Installation Manual page 28

Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Main defective parts
Operation Timer
Indication Ready Flashing
GR GR OR
F12 ALT TS sensor error
F13 ALT Heat sink sensor error
Temp. sensor
F15 ALT
connection error
Indoor unit, other
F29 SIM
P.C. board error
F31 SIM Outdoor unit P.C. board Outdoor
Outdoor unit
compressor
H01
breakdown
Outdoor unit
H02
compressor lock
Outdoor unit current
H03
detect circuit error
Case thermostat
H04
operation (1)
Outdoor unit
H06 low-pressure system
error
Duplicated header
L03 SIM
indoor units
Group line in individual
L07 SIM
indoor unit
Indoor group address
L08 SIM
not set
Indoor unit capacity
L09 SIM
not set
L10 SIM Outdoor unit P.C. board Outdoor
LAN communication
L20 SIM
error
Other outdoor unit
L29 SIM
error
Abnormal external
L30 SIM input into indoor unit
(interlock)
Phase sequence
L31 SIM
error, etc.
53-EN
Judging
Parts to be checked / error description
device
TS sensor may be displaced, disconnected or
Outdoor
short-circuited.
Abnormal temperature was detected by the temp.
Outdoor
sensor of the IGBT heat sink.
Temp. sensor (TE/TS) may be connected
Outdoor
incorrectly.
Indoor Indoor P.C. board --- EEPROM error
Outdoor P.C. board ---- In the case of EEPROM
error.
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
Outdoor
detected.
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 error was detected or
low-pressure protective operation was activated.
Indoor address setting error --- There are two or
Indoor
more header units in the group.
Indoor address setting error --- There is at least
Indoor one group-connected indoor unit among individual
indoor units.
Indoor address setting error --- 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 service) setting error
Network
Address setting, central control remote controller,
adapter
network adapter --- Duplication of address in
central
central control communication
control
Other outdoor unit error
1) Communication error 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
� 27 �
Wired
Wireless remote controller
remote
Sensor block display of
controller
Air
receiving unit
display
conditioner
status
Operation Timer
Indication Ready
GR GR OR
Entire stop
P01
Entire stop
P03
Entire stop
P04
Auto-reset
P05
Entire stop
P07
Entire stop
P10
Entire stop
P12
Entire stop
P15
Entire stop
P19
Entire stop
P20
Entire stop
P22
Entire stop
Entire stop
P26
Entire stop
P29
Entire stop
P31
Auto-reset
: Lighting : Flashing
ALT : When two LEDs are flashing, they flash alternately. SIM : When two LEDs are flashing, they flash in synchronization.
Entire stop
Receiving unit display OR : Orange GR : Green
Entire stop
Entire stop
Operation
continued
(thermost
at OFF)
Judging
Main defective parts Parts to be checked / error description
device
Flashing
Indoor fan motor, indoor P.C. board --- Indoor AC
ALT Indoor unit fan error Indoor fan error (fan motor thermal relay activated) was
detected.
Outdoor unit discharge An error was detected in the discharge temp.
ALT Outdoor
temp. error releasing control.
Outdoor unit High-pressure switch --- The IOL was activated
ALT high-pressure system Outdoor or an error was detected in the high-pressure
error releasing control using the TE.
The power wire may be connected incorrectly.
ALT Open phase detected Outdoor Check 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
Indoor unit water
ALT Indoor circuit, indoor P.C. board --- Drainage is out of
overflow detected
order or the float switch was activated.
Abnormal operation of the indoor fan motor, indoor
The fan error of the
ALT Indoor P.C. board, or indoor DC fan (over current or lock,
indoor unit
etc.) is detected.
There may be gas leakage from the pipe or
ALT Gas leakage detected Outdoor
connecting part. Check for gas leakage.
4-way valve, indoor temp. sensors (TC/TCJ) --- An
Outdoor
ALT 4-way valve error error 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 ---
ALT Outdoor unit fan error Outdoor An error (overcurrent, locking, etc.) was detected in
the outdoor unit fan drive circuit.
IGBT, outdoor unit P.C. board, inverter wiring,
Outdoor unit inverter
compressor --- Short-circuit protection for
ALT Outdoor
Idc activated compressor drive circuit devices (G-Tr/IGBT) was
activated.
Outdoor unit position Outdoor unit P.C. board, high-pressure switch ---
ALT Outdoor
error Compressor motor position error was detected.
Another indoor unit in the group is raising an alarm. Entire stop
ALT Other indoor unit error Indoor
E03/L07/L03/L08 alarm check locations and error
description
: OFF : 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
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset
54-EN