Toshiba Carrier RAV-SP180KRT-UL - Page 41

High-Wall Type
Installation Manual
–40–
Toshiba
EN
L10
(L29)
SIM
Outdoor unit P.C.
board
Outdoor
In the case of outdoor P.C. board
jumper wire (for service) setting
error
Entire
stop
L20 SIM
LAN communication
error
Network
adapter
central
control
Address setting, central control
remote controller, network
adapter --- Duplication of
address in central control
communication
Auto-
reset
L29 SIM
Other outdoor unit
error
Outdoor
Other outdoor unit error
Entire
stop
1) Communication error between
IPDU MCU and CDB MCU
Entire
stop
2) Abnormal temperature was
detected by the heat sink temp.
sensor in IGBT.
L30 SIM
Abnormal external
input into indoor unit
(interlock)
Indoor
External devices, outdoor unit
P.C. board --- Abnormal stop due
to incorrect external input into
CN80
Entire
stop
L31 SIM
Phase sequence
error, etc.
Outdoor
Power supply phase sequence,
outdoor unit P.C. board ---
Abnormal phase sequence of the
3-phase power supply
Operatio
n
continue
d
(thermos
tat OFF)
P01 ALT Indoor unit fan error Indoor
Indoor fan motor, indoor P.C.
board --- Indoor AC fan error (fan
motor thermal relay activated)
was detected.
Entire
stop
P03 ALT
Outdoor unit
discharge temp. error
Outdoor
An error was detected in the
discharge temp. releasing
control.
Entire
stop
P04 ALT
Outdoor unit high-
pressure system
error
Outdoor
High-pressure switch --- The IOL
was activated or an error was
detected in the high-pressure
releasing control using the TE.
Entire
stop
P05 ALT Open phase detected Outdoor
The power cable may be
connected incorrectly. Check
open phase and voltage of the
power supply.
Entire
stop
P07 ALT Heat sink overheat Outdoor
Abnormal temperature was
detected by the temp. sensor of
the IGBT heat sink.
Entire
stop
P10 ALT
Indoor unit water
overflow detected
Indoor
Drain pipe, clogging of drainage,
float switch circuit, indoor P.C.
board --- Drainage is out of order
or the float switch was activated.
Entire
stop
P15 ALT
Gas leakage
detected
Outdoor
There may be gas leakage from
the pipe or connecting part.
Check for gas leakage.
Entire
stop
P19 ALT 4-way valve error
Outdoor
(Indoor)
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.
Auto-
reset
(Auto-
reset)
P20 ALT
High-pressure
protective operation
Outdoor High-pressure protection
Entire
stop
P22 ALT Outdoor unit fan error Outdoor
Outdoor unit fan motor, outdoor
unit P.C. board --- An error (over
current, locking, etc.) was
detected in the outdoor unit fan
drive circuit.
Entire
stop
40-EN
+001111052201_00Ta.book Page 40 Friday, November 20, 2009 11:45 AM