Toshiba RAV-DXC010 - Error Code Diagnostics - Part 1; Communication, Sensor, and Component Errors

19
LC DX Interface
Installation Manual
 Check codes and parts to be checked
Indication
Main defective parts
Judging
device
Parts to be checked / error description
Air
conditioner
status
E01
No header remote
controller
Remote
controller
Incorrect remote controller setting --- The header remote controller has not
been set (including two remote controllers).
*
Remote controller
communication error
No signal can be received from the indoor unit.
E02
Remote controller
transmission error
Remote
controller
Indoor/outdoor connecting wires, indoor P.C. board, remote controller ---No
signal can be sent to the indoor unit.
*
E03
Indoor unit-remote
controller regular
communication error
Indoor
Remote controller, network adapter, indoor P.C. board --- No data is received
from the remote controller or network adapter.
Auto-reset
E04
Indoor unit-outdoor
unit serial
communication error
Indoor
Indoor/outdoor connecting wires, indoor P.C. board, outdoor P.C. board ---
Serial communication error between indoor unit and outdoor unit
Auto-reset
IPDU-CDB
communication error
E08
Duplicated indoor
addresses 
Indoor
Indoor address setting error --- The same address as the self-address was
detected.
Auto-reset
E09
Duplicated header
remote controllers
Remote
controller
Remote controller address setting error ---Two remote controllers are set as
header in the double-remote controller control.
*
(* The header indoor unit stops raising alarm and follower indoor units continue
to operate.)
E10
CPU-CPU
communication error
Indoor
Indoor P.C. board --- Communication error between main MCU and motor
microcomputer MCU
Auto-reset
E18
Header indoor unit-
indoor follower unit
regular
communication error
Indoor
Indoor P.C. board --- Regular communication is not possible between header
and follower indoor units or between twin header (main) and follower (sub)
units.
Auto-reset
E31
IPDU
communication error
Outdoor Communication error between IPDU and CDB Entire stop
F01
Indoor unit heat
exchanger sensor
(TCJ) error
Indoor
Heat exchanger sensor (TCJ) , indoor P.C. board --- Open-circuit or short-
circuit of the heat exchanger sensor (TCJ) was detected.
Auto-reset
F02
Indoor unit heat
exchanger sensor
(TC) error
Indoor
Heat exchanger sensor (TC), indoor P.C. board --- Open-circuit or short-circuit
of the heat exchanger sensor (TC) was detected.
Auto-reset
F04
Outdoor unit
discharge temp.
sensor (TD) error
Outdoor
Outdoor temp. sensor (TD), outdoor P.C. board --- Open-circuit or short-circuit
of the discharge temp. sensor was detected.
Entire stop
F06
Outdoor unit temp.
sensor (TE/TS) error
Outdoor
Outdoor temp. sensors (TE/TS), outdoor P.C. board --- Open-circuit or short-
circuit of the heat exchanger temp. sensor was detected.
Entire stop
F07
TL sensor error
Outdoor
TL sensor may be displaced, disconnected or short-circuited.
Entire stop
F08
Outdoor unit outside
air temp. sensor
error
Outdoor
Outdoor temp. sensor (TO), outdoor P.C. board --- Open-circuit or short-circuit
of the outdoor air temp. sensor was detected.
Operation
continued
F10
Indoor unit room
temp. sensor (TA)
error
Indoor
Room temp. sensor (TA), indoor P.C. board --- Open-circuit or short-circuit of
the room temp. sensor (TA) was detected.
Auto-reset
F12
TS (1) sensor error
Outdoor
TS (1) sensor may be displaced, disconnected or short-circuited.
Entire stop
F13
Heat sink sensor
error
Outdoor
Abnormal temperature was detected by the temp. sensor of the IGBT heat sink.
Entire stop
F15
Temp. sensor
connection error
Outdoor Temp. sensor (TE/TS) may be connected incorrectly. Entire stop
F29
Indoor unit, other
P.C. board error
Indoor Indoor P.C. board --- EEPROM error Auto-reset
F31
Outdoor unit P.C.
board
Outdoor Outdoor P.C. board ---- In the case of EEPROM error. Entire stop
H01
Outdoor unit
compressor
breakdown
Outdoor
Current detect circuit, power voltage --- Minimum frequency was reached in the
current releasing control or short-circuit current (Idc) after direct excitation was
detected
Entire stop
H02
Outdoor unit
compressor lock
Outdoor Compressor circuit --- Compressor lock was detected. Entire stop
H03
Outdoor unit current
detect circuit error
Outdoor
Current detect circuit, outdoor unit P.C. board --- Abnormal current was
detected in AC-CT or a phase loss was detected.
Entire stop
H04
Case thermostat
operation (1)
Outdoor Malfunction of the case thermostat Entire stop