Toshiba RAV-GM901KRTP-E Installation Manual page 47

Error codes and parts to be checked
Wired
Wireless remote controller
remote
Sensor block display of
controller
receiving unit
display
Operation Timer
Indication Ready
GR GR OR
E01
E02
E03
E04
E08
E09
10
E18
E31
F01
F02
F04
F06
F07
F08
Main defective parts
Flashing
No header remote
controller
Remote controller
communication error
Remote controller
transmission error
Indoor unit-remote
controller regular
communication error
Indoor unit-outdoor unit
serial communication
error
IPDU-CDB
communication error
Duplicated indoor
addresses
Duplicated header
remote controllers
CPU-CPU
communication error
Header unit follower unit
regular communication
error
IPDU communication
error
Indoor unit heat
ALT exchanger sensor (TCJ)
error
Indoor unit heat
ALT exchanger sensor (TC)
error
Outdoor unit discharge
ALT
temp. sensor (TD) error
Outdoor unit temp.
ALT
sensor (TE / TS) error
ALT TL sensor error
Outdoor unit outside air
ALT
temp. sensor error
Judging
Parts to be checked / error description
device
Incorrect remote controller setting --- The
header remote controller has not been
Remote
set (including two remote controllers).
controller
No signal can be received from the
indoor unit.
System interconnection wires, indoor
Remote P.C. board, remote controller.
controller --- No signal can be sent to the indoor
unit.
Remote controller, network adapter,
indoor P.C. board --- No data is received
Indoor
from the remote controller or network
adapter.
System interconnection wires, indoor
P.C. board, outdoor P.C. board --- Serial
Indoor
communication error between indoor unit
and outdoor unit
Indoor address setting error --- The
Indoor same address as the self-address was
detected.
Remote controller address setting error -
-- Two remote controllers are set as
header in the double-remote controller
Remote
control.
controller
(* The header indoor unit stops raising
alarm and follower indoor units continue
to operate.)
Indoor P.C. board --- Communication
Indoor error between main MCU and motor
microcomputer MCU.
Indoor P.C. board --- Regular
communication is not possible between
Indoor header and follower indoor units or
between twin header (main) and follower
(sub) units.
Communication error between IPDU and
Outdoor
CDB.
Heat exchanger sensor (TCJ), indoor
P.C. board --- Open-circuit or short-circuit
Indoor
of the heat exchanger sensor (TCJ) was
detected.
Heat exchanger sensor (TC), indoor P.C.
board --- Open-circuit or short-circuit of
Indoor
the heat exchanger sensor (TC) was
detected.
Outdoor temp. sensor (TD), outdoor P.C.
board --- Open-circuit or short-circuit of
Outdoor
the discharge temp. sensor was
detected.
Outdoor temp. sensors (TE / TS),
outdoor P.C. board --- Open-circuit or
Outdoor
short-circuit of the heat exchanger temp.
sensor was detected.
TL sensor may be displaced,
Outdoor
disconnected or short-circuited.
Outdoor temp. sensor (TO), outdoor P.C.
board --- Open-circuit or short-circuit of
Outdoor
the outdoor air temp. sensor was
detected.
– 46 –
Installation Manual
Air conditioner
status
*
*
Auto-reset
Auto-reset
Auto-reset
*
Auto-reset
Auto-reset
Entire stop
Auto-reset
Auto-reset
Entire stop
Entire stop
Entire stop
Operation
continued
46-EN