Toshiba RAV-SM404SDT-E Manual De Instalación página 38

Slim Duct Type
F31
H01
H02
H03
H04
H06
L03
L07
L08
L09
L10
L20
L29
L30
L31
P01
P03
P04
P05
P07
P10
P15
P19
P20
P22
37-EN
Outdoor unit P.C.
SIM Outdoor
board
Outdoor unit
compressor Outdoor
breakdown
Outdoor unit
Outdoor
compressor lock
Outdoor unit current
Outdoor
detect circuit error
Case thermostat
Outdoor
operation (1)
Outdoor unit low-
Outdoor
pressure system error
Duplicated header
SIM Indoor
indoor units
Group line in individual
SIM Indoor
indoor unit
Indoor group address
SIM Indoor
not set
Indoor power level not
SIM Indoor
set
Outdoor unit P.C.
SIM Outdoor
board
Network
LAN communication adapter
SIM
error central
control
Other outdoor unit
SIM Outdoor
error
Abnormal external
SIM input into indoor unit Indoor
(interlock)
Phase sequence error,
SIM Outdoor
etc.
ALT Indoor unit fan error Indoor
Outdoor unit discharge
ALT Outdoor
temp. error
Outdoor unit high-
ALT Outdoor
pressure system error
ALT Open phase detected Outdoor
ALT Heat sink overheat Outdoor
Indoor unit water
ALT Indoor
overflow detected
ALT Gas leakage detected Outdoor
Outdoor
ALT
4-way valve error
(Indoor)
High-pressure
ALT Outdoor
protective operation
ALT Outdoor unit fan error Outdoor
Outdoor P.C. board ---- In the case of EEPROM error.
Current detect circuit, power voltage --- Minimum
frequency was reached in the current releasing control or
short-circuit current (Idc) after direct excitation was
detected
Compressor circuit --- Compressor lock was detected.
Current detect circuit, outdoor unit P.C. board ---
Abnormal current was detected in AC-CT or a phase loss
was detected.
Malfunction of the case thermostat
Current, high-pressure switch circuit, outdoor P.C. board
--- Ps pressure sensor error was detected or low-pressure
protective operation was activated.
Indoor address setting error --- There are two or more
header units in the group.
Indoor address setting error --- There is at least one
group-connected indoor unit among individual indoor
units.
Indoor address setting error --- Indoor address group has
not been set.
Indoor power level has not been set.
In the case of outdoor P.C. board jumper wire (for service)
setting error
Address setting, central control remote controller,
network adapter --- Duplication of address in central
control communication
Other outdoor unit error
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 external input into CN80
Power supply phase sequence, outdoor unit P.C. board -
-- Abnormal phase sequence of the 3-phase power
supply
Indoor fan motor, indoor P.C. board --- Indoor AC fan
error (fan motor thermal relay activated) was detected.
An error was detected in the discharge temp. releasing
control.
High-pressure switch --- The IOL was activated or an
error was detected in the high-pressure releasing control
using the TE.
The power cable may be connected incorrectly. Check
open phase and voltages of the power supply.
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 --- 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 leakage.
4-way valve, indoor temp. sensors (TC/TCJ) --- An error
was detected due to temperature drop of the indoor unit
heat exchanger sensor when heating.
High-pressure protection
Outdoor unit fan motor, outdoor unit P.C. board --- An
error (overcurrent, locking, etc.) was detected in the
outdoor unit fan drive circuit.
– 37 –
Installation Manual
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Auto-reset
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Operation
continued
(thermostat
OFF)
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Auto-reset
(Auto-reset)
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