Toshiba RAV-CT100-M Installation And Owner's Manual page 17

DX Air Curtain
Indication Main defective parts
Outdoor unit low-
H06 pressure system
error
Duplicated header
L03

indoor units
Group line in
individual indoor unit
L07

Indoor group
L08

address not set
Indoor power level
L09
not set
Outdoor unit P.C.
L10
board
LAN communication
L20
error
Other outdoor unit
L29
error
Abnormal external
L30 input into indoor unit
(interlock)
Phase sequence
L31
error, etc.
P01 Indoor unit fan error
Outdoor unit
P03 discharge temp.
error
Outdoor unit high-
P04 pressure system
error
Open phase
P05
detected
P07 Heat sink overheat
Indoor unit water
P10
overflow detected
Gas leakage
P15
detected
P19 4-way valve error
High-pressure
P20
protective operation
Outdoor unit fan
P22
error
Outdoor unit inverter
P26
Idc activated
Outdoor unit position
P29
error
Other indoor unit
P31
error

The air conditioner automatically enters the auto-address setting mode.
Judging
device
Current, high-pressure switch circuit, outdoor P.C. board --- Ps pressure sensor
Outdoor
error was detected or low-pressure protective operation was activated.
Indoor address setting error --- There are two or more header units in the
Indoor
group.
Indoor address setting error --- There is at least one group-connected indoor
Indoor
unit among individual indoor units.
Indoor Indoor address setting error --- Indoor address group has not been set.
Indoor Indoor power level has not been set.
Outdoor In the case of outdoor P.C. board setting error jumper wire (for service)
Network
adapter Address setting, central control remote controller, network adapter ---
central Duplication of address in central control communication
control
Other outdoor unit error
Outdoor
1) Communication error between IPDU MCU and CDB MCU
2) Abnormal temperature was detected by the heat sink temp. sensor in IGBT.
External devices, outdoor unit P.C. board --- Abnormal stop due to incorrect
Indoor
external input into CN80
Power supply phase sequence, outdoor unit P.C. board --- Abnormal phase
Outdoor
sequence of the 3-phase power supply
Indoor fan motor, indoor P.C. board --- Indoor AC fan error (fan motor thermal
Indoor
relay activated) was detected.
Outdoor An error was detected in the discharge temp. releasing control.
High-pressure switch --- The IOL was activated or an error was detected in the
Outdoor
high-pressure releasing control using the TE.
The power cable may be connected incorrectly. Check open phase and
Outdoor
voltages of the power supply.
Outdoor Abnormal temperature was detected by the temp. sensor of the IGBT heat sink.
Drain pipe, clogging of drainage, float switch circuit, indoor P.C. board ---
Indoor
Drainage is out of order or the float switch was activated.
There may be gas leakage from the pipe or connecting part. Check for gas
Outdoor
leakage.
Outdoor 4-way valve, indoor temp. sensors (TC/TCJ) --- An error was detected due to
(Indoor) temperature drop of the indoor unit heat exchanger sensor when heating.
Outdoor High-pressure protection.
Outdoor unit fan motor, outdoor unit P.C. board --- An error (over current,
Outdoor
locking, etc.) was detected in the outdoor unit fan drive circuit.
IGBT, outdoor unit P.C. board, inverter wiring, compressor --- Short-circuit
Outdoor
protection for compressor drive circuit devices (G-Tr/IGBT) was activated.
Outdoor unit P.C. board, high-pressure switch ---Compressor motor position
Outdoor
error was detected.
Another indoor unit in the group is raising an alarm.
Indoor
E03/L07/L03/L08 alarm check locations and error description.
Parts to be checked / error description
18
Installer
Air
conditioner
status
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
Operation
continued
(thermostat
OFF)
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset
(Auto-reset)
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset