Toshiba RAV-SM2244DTP-E Installation Manual page 27

Wired
Wireless remote
remote
controller Sensor block
controller
display of receiving unit
display
Main problem parts
Operation Timer
Indication Ready Flashing
GR GR OR
Phase sequence
L31 SIM
problem, etc.
P01 ALT Indoor unit fan problem
Outdoor unit discharge
P03 ALT
temp, problem
Outdoor unit high-
P04 ALT pressure system
problem
P05 ALT Open phase detected
P07 ALT Heat sink overheat
Indoor unit water
P10 ALT
overflow detected
P12 ALT Indoor DC fan problem
P15 ALT Gas leakage detected
P19 ALT 4-way valve problem
High-pressure
P20 ALT
protective operation
Outdoor unit fan
P22 ALT
problem
Outdoor unit inverter
P26 ALT
Idc activated
Outdoor unit position
P29 ALT
problem
Other indoor unit
P31 ALT
problem
: 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
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Judging
Parts to be checked / Check code description
device
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
Indoor fan problem (fan motor thermal relay activated)
was detected.
An problem was detected in the discharge temp,
Outdoor
releasing control.
High-pressure switch --- The IOL was activated
Outdoor or an problem was detected in the high-pressure
releasing control using the ТЕ.
The power wire may be connected incorrectly.
Outdoor Check open phase and voltages of the power
supply.
Abnormal temperature was detected by the temp,
Outdoor
sensor of the IGBT heat sink.
Drain pipe, clogging of drainage, float switch
Indoor circuit, indoor P.C. board --- Drainage is out of
order or the float switch was activated.
Indoor DC fan problem (e.g. overcurrent or lock-
Indoor
up) is detected.
There may be gas leakage from the pipe or
Outdoor
connecting part. Check for gas leakage.
4-way valve, indoor temp, sensors (TC / TCJ) ---
Outdoor An problem was detected due to temperature drop
(Indoor) of the indoor unit heat exchanger sensor when
heating.
Outdoor High-pressure protection
Outdoor unit fan motor, outdoor unit p.c. board ---
Outdoor An problem (overcurrent, locking, etc.) was
detected in the outdoor unit fan drive circuit.
IGBT, outdoor unit p.c. board, inverter wiring,
compressor --- Short-circuit protection for
Outdoor
compressor drive circuit devices (G-Tr / IGBT) was
activated.
Outdoor unit P.C. board, high-pressure switch ---
Outdoor
Compressor motor position problem was detected.
Another indoor unit in the group is raising an alarm. Entire stop
Indoor
E03 / L07 / L03 / L08 alarm check locations and
problem description
Air
conditioner
status
Operation
continued
(thermost
at OFF)
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
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