Toshiba VN-M150HE Service Manual page 139

Check codes and parts to be checked
Wired remote
controller Main defective parts
display
No header remote
controller
E01
Remote controller
communication error
Remote controller
E02
transmission error
Indoor unit-remote
E03 controller regular
communication error
Duplicated indoor
E08
addresses
Duplicated header
remote controllers
E09
Header indoor unit-indoor
E18 follower unit regular
communication error
Air to Air Heat Exchanger
F17
(TOA) error
Air to Air Heat Exchanger
F18
(TRA) error
Indoor unit, other P.C.
F29
board error
Duplicated header indoor
L03
units
Indoor group address not
L08
set
L09 Indoor power level not set Indoor
LAN communication error Indoor
L20
Other indoor unit error
P31
* "Indoor" in "Judging device" refers to the Air to Air Heat Exchanger or the air conditioner.
Judging
device
Remote Incorrect remote controller setting --- The header remote
controller controller has not been set (including two remote controllers).
No signal can be received from the indoor unit.
Remote System interconnecting wires, indoor P.C. board, remote
controller controller --- No signal can be sent to the indoor unit.
Indoor Remote controller, network adapter, indoor P.C. board --- No
data is received from the remote controller or network adapter.
Indoor Indoor address setting error --- The same address as the self-
address was detected.
Remote Remote controller address setting error --- Two remote
controller 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.)
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.
Air to Air Heat Outdoor Air sensor (TOA), indoor P.C. board --- Open-circuit or
Exchanger short-circuit of the heat exchanger sensor (TOA) was detected.
Air to Air Heat Return Air sensor (TRA), indoor P.C. board --- Open-circuit or
Exchanger short-circuit of the heat exchanger sensor (TRA) was detected.
Indoor Indoor P.C. board --- EEPROM error
Indoor Indoor address setting error --- There are two or more header
units in the group.
Indoor Indoor address setting error --- Indoor address group has not
been set.
Indoor power level has not been set.
Address setting, central control remote controller, network
adapter --- Duplication of address in central control
communication
Indoor Another indoor unit in the group is raising an alarm.
E03/L07/L03/L08 alarm check locations and error description
138
Parts to be checked / error description