Toshiba RAV-GM901KRTP-E Installation Manual page 48

Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Operation Timer
Indication Ready
GR GR OR
F10
F12
F13
F15
F29
F31
H01
H02
H03
H04
H06
L03
L07
L08
L09
L10
L20
L29
L30
L31
47-EN
Main defective parts
Flashing
Indoor unit room temp.
ALT
sensor (TA) error
ALT TS sensor error
ALT Heat sink sensor error
Temp. sensor connection
ALT
error
Indoor unit, other P.C.
SIM
board error
SIM Outdoor unit P.C. board
Outdoor unit compressor
breakdown
Outdoor unit compressor
lock
Outdoor unit current
detect circuit error
Case thermostat
operation
Outdoor unit low-
pressure system error
Duplicated header
SIM
indoor units
Group line in individual
SIM
indoor unit
Indoor group address
SIM
not set
Indoor unit capacity not
SIM
set
SIM Outdoor unit P.C. board
LAN communication
SIM
error
SIM Other outdoor unit error
Abnormal external input
SIM into indoor unit
(interlock)
Phase sequence error,
SIM
etc.
Judging
Parts to be checked / error description
device
Room temp. sensor (TA), indoor P.C.
Indoor board --- Open-circuit or short-circuit of
the room temp. sensor (TA) was detected.
TS sensor may be displaced,
Outdoor
disconnected or short-circuited.
Abnormal temperature was detected by
Outdoor
the 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. board
Indoor --- Abnormal stop due to incorrect external
input into CN80.
Power supply phase sequence, outdoor
Outdoor unit P.C. board --- Abnormal phase
sequence of the 3-phase power supply.
– 47 –
Installation Manual
Air conditioner
status
Auto-reset
Entire stop
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
Operation
continued
(thermostat
OFF)