Toshiba RAV-SM307KRTP-E Installation Manual page 23

Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Main defective parts
Operation
Indication Timer Ready Flashing
GR GR OR
Indoor unit room temp.
F10 ALT
sensor (TA) error
F12 ALT TS sensor error
F13 ALT Heat sink sensor error
Temp. sensor
F15 ALT
connection error
Indoor unit, other P.C.
F29 SIM
board error
F31 SIM Outdoor unit P.C. board
Outdoor unit
H01
compressor breakdown
Outdoor unit
H02
compressor lock
Outdoor unit current
H03
detect circuit error
Case thermostat
H04
operation
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
LAN communication
L20 SIM
error
L29 SIM Other outdoor unit error
Abnormal external
L30 SIM input into indoor unit
(interlock)
Phase sequence error,
L31 SIM
etc.
P01 ALT Indoor unit fan error
43-EN
Judging Parts to be checked /
device error description
Room temp. sensor (TA), indoor P.C. board
Indoor --- Open-circuit or short-circuit of the room
temp. sensor (TA) was detected.
TS sensor may be displaced, disconnected
Outdoor
or short-circuited.
Abnormal temperature was detected by the
Outdoor
temp. 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
Outdoor
EEPROM error.
Current detect circuit, power voltage ---
Minimum frequency was reached in the
Outdoor current releasing control or short-circuit
current (Idc) after direct excitation was
detected.
Compressor circuit --- Compressor lock
Outdoor
was detected.
Current detect circuit, outdoor unit P.C.
Outdoor board --- 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. board --- Pressure sensor
Outdoor
error was detected or low-pressure
protective operation was activated.
Indoor address setting error --- There are
Indoor
two or more header units in the group.
Indoor address setting error --- There is
Indoor at least one group-connected indoor unit
among individual indoor units.
Indoor address setting error --- Indoor
Indoor
address group has not been set.
Indoor Indoor unit capacity has not been set.
In the case of outdoor P.C. board jumper
Outdoor
wire (for service) setting error.
Network Address setting, central control remote
adapter controller, network adapter ---
central Duplication of address in central control
control communication.
Other outdoor unit error.
1) Communication error between IPDU
Outdoor MCU and CDB MCU.
2) Abnormal temperature was detected by
the heat sink temp. sensor in IGBT.
External devices, outdoor unit P.C.
Indoor board --- Abnormal stop due to incorrect
external input into CN80.
Power supply phase sequence, outdoor unit
Outdoor P.C. board --- Abnormal phase sequence of
the 3-phase power supply.
Indoor fan motor, indoor P.C. board ---
Indoor Indoor AC fan error (fan motor thermal relay
activated) was detected.
Wired
Wireless remote controller
remote
Sensor block display of
controller
Air
receiving unit
display
conditioner
status
Operation
Indication Timer Ready Flashing
GR GR OR
P03 ALT
Auto-reset
Entire stop P04 ALT
Entire stop
P05 ALT
Entire stop
P07 ALT
Auto-reset
Entire stop
P10 ALT
Entire stop
P12 ALT
P15 ALT
Entire stop
Entire stop
P19 ALT
Entire stop
P20 ALT
Entire stop
P22 ALT
Entire stop
P26 ALT
Entire stop
Entire stop
P29 ALT
Entire stop
P31 ALT
Entire stop
: Lighting : Flashing
Auto-reset
ALT: When two LEDs are fl ashing, they fl ash alternately. SIM: When two LEDs are fl ashing, they fl ash in synchronization.
Receiving unit display OR: Orange GR: Green
Entire stop
Entire stop
Entire stop
Operation
continued
(thermostat
OFF)
Entire stop
– 22 –
Judging
Main defective parts
device
Outdoor unit discharge An error was detected in the discharge
Outdoor
temp. error temp. releasing control.
High-pressure switch --- The IOL was
Outdoor unit
activated or an error was detected in the
high-pressure system Outdoor
high-pressure releasing control using the
error
TE.
The power wire may be connected
Open phase detected Outdoor incorrectly. Check open phase and voltages
of the power supply.
Abnormal temperature was detected by the
Heat sink overheat Outdoor
temp. sensor of the IGBT heat sink.
Drain pipe, clogging of drainage, fl oat
Indoor unit water switch circuit, indoor P.C. board ---
Indoor
overfl ow detected Drainage is out of order or the fl oat switch
was activated.
Abnormal operation of the indoor fan motor,
Abnormal operation of
Indoor indoor P.C. board, or indoor DC fan (over
the fan of the indoor unit
current or lock, etc.) is detected.
There may be gas leakage from the pipe or
Gas leakage detected Outdoor
connecting part. Check for gas leakage.
4-way valve, indoor temp. sensors (TC /
Outdoor TCJ) --- An error was detected due to
4-way valve error
(Indoor) temperature drop of the indoor unit heat
exchanger sensor during heating.
High-pressure protective
Outdoor High-pressure protection.
operation
Outdoor unit fan motor, outdoor unit P.C.
board --- An error (overcurrent, locking,
Outdoor unit fan error Outdoor
etc.) was detected in the outdoor unit fan
drive circuit.
IGBT, outdoor unit P.C. board, inverter
Outdoor unit inverter Idc wiring, compressor --- Short-circuit
Outdoor
activated protection for compressor drive circuit
devices (G-Tr / IGBT) was activated.
Outdoor unit P.C. board, high-pressure
Outdoor unit position
Outdoor switch --- Compressor motor position error
error
was detected.
Another indoor unit in the group is raising
an alarm.
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
Parts to be checked /
conditioner
error description
status
Entire stop
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
44-EN