Toshiba MMC-AP0154H-E(-TR), Руководство по обслуживанию, Страница: 80 / 226

– 80 –
For other types of outdoor units, refer to their own service manuals.
E01 — —
Remote
controller Indoor-remote
controller
communication
error
(detected at
remote
controller end) Stop of
corresponding unit Communication between
indoor P.C. board and remote
controller is disrupted. • Check remote controller inter-unit
tie cable (A / B).
• Check for broken wire or connector
bad contact.
• Check indoor power supply.
• Check for defect in indoor P.C.
board.
• Check remote controller address
settings
(when two remote controllers are
in use).
• Check remote controller P.C. board.
Check code
Location
of
detection
Description System status
Error detection
condition(s)
Check items (locations)
E02 — —
Remote
controller Remote controller
transmission error Stop of
corresponding unit Signal cannot be transmitted
from remote controller to
indoor unit. • Check internal transmission circuit
of remote controller.
--- Replace remote controller as
necessary.
E03 — —
Indoor unit Indoor-remote
controller
communication
error
(detected at
indoor end)
Stop of
corresponding unit There is no communication
from remote controller
(including wireless) or network
adaptor. • Check remote controller and
network adaptor wiring.
E04 — —
Indoor unit Indoor-outdoor
communication
circuit error
(detected at
indoor end)
Stop of
corresponding unit Indoor unit is not receiving
signal from outdoor unit. • Check order in which power was
turned on for indoor and outdoor
units.
• Check indoor address setting.
• Check indoor-outdoor tie cable.
• Check outdoor termination
resistance setting (SW30, Bit 2).
E06 E06
No. of indoor
units from which
signal is received
normally I/F Dropping out of
indoor unit All stop Indoor unit initially
communicating normally fails
to return signal for specified
length of time. • Check power supply to indoor unit.
(Is power turned on?)
• Check connection of indoor-outdoor
communication cable.
• Check connection of
communication connectors on
indoor P.C. board.
• Check connection of
communication connectors on
outdoor P.C. board.
• Check for defect in indoor P.C.
board.
• Check for defect in outdoor P.C.
board (I/F).
— E07 —
I/F Indoor-outdoor
communication
circuit error
(detected at
outdoor end) All stop Signal cannot be transmitted
from outdoor to indoor units
for 30 seconds continuously. • Check outdoor termination
resistance setting (SW30, Bit 2).
• Check connection of indoor-outdoor
communication circuit.
E08 E08
Duplicated
indoor address Indoor unit
I/F Duplicated indoor
address All stop More than one indoor unit is
assigned same address. • Check indoor addresses.
• Check for any change made to
remote controller connection
(group / individual) since indoor
address setting.
E09 — —
Remote
controller Duplicated master
remote controller Stop of
corresponding unit In two remote controller
configuration (including
wireless), both controllers are
set up as master. (Header
indoor unit is shut down with
alarm, while follower indoor
units continue operating.) • Check remote controller settings.
• Check remote controller P.C. boards.
E12 E12
01:
Indoor-outdoor
communication
02:
Outdooroutdoor
communication I/F Automatic address
starting error All stop • Indoor automatic address
setting is started while
automatic address setting
for equipment in other
refrigerant line is in progress.
• Outdoor automatic address
setting is started while
automatic address setting
for indoor units is in progress. • Perform automatic address setting
again after disconnecting
communication cable to that
refrigerant line.
E15 E15 —
I/F Indoor unit not
found during
automatic
address setting All stop Indoor unit cannot be detected
after indoor automatic address
setting is started. • Check connection of indoor-outdoor
communication line.
• Check for error in indoor power
supply system.
• Check for noise from other devices.
• Check for power failure.
• Check for defect in indoor P.C. board.
E10 — —
Indoor unit Indoor inter-MCU
communication
error
Stop of
corresponding unit Communication cannot be
established / maintained upon
turning on of power or during
communication. • Check for defect in indoor P.C. board.
Outdoor 7-segment display
Check
code
Sub-code
Main
remote
controller
6-4. Check codes displayed on remote controller and SMMS outdoor unit
(7-segment display on I/F board) and locations to be checked