Toshiba RAV-SM402MUT-E Installations-Handbuch Seite 30

9
TROUBLESHOOTING
Wired remote Wireless remote controller
controller Sensor block display of receiving unit
display
Operation Timer
Indication GR GR
l
¥
L03
l
¥
L07
l
¥
L08
l
¥
L09
L10 ¥ ¡
(L29)
¥ ¡
L20
¥ ¡
L29
¥ ¡
L30
¥ ¡
L31
l
¥
P01
l
¥
P03
l
¥
P04
l
P05 ¥
(P04)
l
¥
P07
l
¥
P10
l
P15 ¥
(P29)
l
P19 ¥
(P04)
l
P20 ¥
(L29)
l
¥
P22
l
¥
P26
l
¥
P29
l
¥
P31
Check codes in parentheses ( ) are displayed when connected to are outdoor unit other than the new SDI series 4 (RAV-SP
l
¡ ¥
: Lighting, : Flashing,
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
English-29
Main defective parts
Ready
Flashing
GR
¥ Duplicated header indoor
SIM
«
units
¥ Group line in individual
«
SIM
indoor unit
¥ Indoor group address not set
SIM
«
¥
SIM Indoor power level not set
¥
SIM Outdoor unit P .C. board
¥
SIM LAN communication error
¥
SIM Other outdoor unit error
Abnormal external input into
¥
SIM indoor unit (interlock)
¥
SIM Phase sequence error, etc.
¥
ALT Indoor unit fan error
¥ Outdoor unit discharge temp.
ALT
error
¥ Outdoor unit highpressure
ALT
system error
¥
ALT Open phase detected
¥
ALT Heat sink overheat
¥ Indoor unit water overflow
ALT
detected
¥
ALT Gas leakage detected
¥
ALT 4-way valve error
¥ High-pressure protective
ALT
operation
¥
ALT Outdoor unit fan error
¥ Outdoor unit inverter Idc
ALT
activated
¥
ALT Outdoor unit position error
¥
ALT Other indoor unit error
«
: OFF, : The air conditioner automatically enters the auto-address setting mode.
Judging Parts to be checked /
device
Indoor address setting error
Indoor
— There are two or more header units in the group.
Indoor address setting error
Indoor
— There is 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 power level has not been set.
In the case of outdoor P .C. board jumper wire
Outdoor
(for service) setting error
Address setting, central control remote controller,
Network
network adapter
adapter central
— Duplication of address in central control
control
communication
Other outdoor unit error
1) Communication error between IPDU MCU and
Outdoor
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 unit P .C.
board -
Outdoor
— 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.
An error was detected in the discharge temp.
Outdoor
releasing control.
High-pressure switch
— The IOL was activated or an error was
Outdoor
detected in the high-pressure releasing control
using the TE.
The power cable 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
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
Outdoor
connecting part. Check for gas leakage.
4-way valve, indoor temp. sensors (TC/TCJ)
Outdoor
— An error was detected due to temperature
(Indoor)
drop of the indoor unit heat exchanger sensor
when heating.
Outdoor High-pressure protection
Outdoor unit fan motor, outdoor unit P .C. board
Outdoor
— An error (overcurrent, locking, etc.) was
detected in the outdoor unit fan drive circuit.
IGBT, outdoor unit P .C. board, inverter wiring,
Outdoor compressor
— Short-circuit protection for compressor drive
circuit devices (G-Tr/IGBT) was activated.
Outdoor unit P .C. board, high-pressure switch
Outdoor
—- Compressor motor position error was
detected.
Another indoor unit in the group is raising an
alarm.
Indoor
E03/L07/L03/L08 alarm check locations and error
description
29
error description
(thermostat OFF)
∗∗∗
Air
conditioner
status
Entire stop
Entire stop
Entire stop
Entire stop
Entire stop
Auto-reset
Entire stop
Entire stop
Entire stop
Operation
continued
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
4AT-E).