Toshiba MCY-MHP0305HT, Руководство по обслуживанию

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123
L07 – –
Indoor
unit Connection of
group control
cable to stand-
alone indoor unit Stop of
corresponding
unit There is at least one stand-
alone indoor unit to which
group control cable is
connected.
‡
Check indoor addresses.
L08 L08 –
Indoor
unit Indoor group /
addresses not
set Stop of
corresponding
unit Address setting has not been
performed for indoor units.
‡
Check indoor addresses.
Note:
This code is displayed
when power is turned on
for the first time after
installation.
L09 – –
Indoor
unit Indoor capacity
not set Stop of
corresponding
unit Capacity setting has not been
performed for indoor unit. Set indoor capacity. (DN =
11)
L10 L10 –
I/F Outdoor
capacity not set All stop Jumper wire provided on P.C.
board for servicing I/F P.C.
board has not been removed
as required for given model. Check model setting of P.C.
board for servicing outdoor
I/F P.C. board.
L20 – –
AI-NET
Indoor
unit Duplicated
central control
address All stop There is duplication in central
control address setting.
‡
Check central control
addresses.
‡
Check network adaptor
P.C. board.
9 2 L 9 2 L
I/F Error in No. of
IPDUs All stop Insufficient number of IPDUs
are detected when power is
turned on.
‡
Check model setting of
P.C. board for servicing
outdoor I/F P.C. board.
‡
Check connection of UART
communication connector.
‡
Check IPDU and I/F P.C.
board for defect.
L30 L30
Detected
indoor address Indoor
unit External
interlock of
indoor unit Stop of
corresponding
unit
‡
Signal is present at
external error input
terminal (CN80) for 1
minute. When external device is
connected to CN80
connector:
1) Check for defect in
external device.
2) Check for defect in indoor
P.C. board.
When external device is not
connected to CN80
connector:
1) Check for defect in indoor
P.C. board.
– L31 –
I/F Extended IC
error Continued
operation There is part failure in P.C.
board (I/F). Check outdoor P.C. board
(I/F).
P01 – –
Indoor
unit Indoor fan motor
error Stop of
corresponding
unit
‡
Check the lock of fan motor
(AC fan).
‡
Check wiring.
P03 P03 –
I/F Discharge
temperature TD
error All stop Discharge temperature (TD)
exceeds 115 °C.
‡
Check outdoor service
valves (gas side, liquid
side) to confirm full
opening.
‡
Check outdoor PMV for
clogging.
‡
Check resistance
characteristics of TD
sensor.
‡
Check for insufficiency in
refrigerant quantity.
‡
Check for defect in 4-way
valve.
‡
Check leakage of SV4
circuit.
‡
Check SV4 circuit (wiring
or installation error in SV4).
Location
of
detection
Description System status
Error detection
condition(s)
Check items (locations)
Main
remote
controller
Outdoor 7-segment display
Check
code
Sub-code
(*) Concerning the “00” auxiliary
code
1) The wrong model setting
for the interface P.C. board
was used when the board
was replaced with the service
P.C. board.
may be displayed.
In such a case, the sub-codes
“04” to “0F” for L29, which are
not included in the table above,
Check code
Fa Comp. n
01
02
03
Circle (O): Faulty IPDU
O
O
O
O
100