Toshiba MMK-AP0073H Manuel D'installation page 28

SMMS High-Wall Type
Check method
On the remote controller (Wired remote controller, Central control remote controller) and the interface P.C.
board of the outdoor unit (I/F), a check display LCD (Remote controller) or 7-segment display (on the
outdoor interface P.C. board) to display the operation is provided. Therefore the operation status can be
known. Using this self-diagnosis function, a trouble or position with error of the air conditioner can be found
as shown in the table below.
Check code list
The following list shows each check code. Find the check contents from the list according to part to be
checked.
• In case of check from indoor remote controller: See "Wired remote controller display" in the list.
• In case of check from outdoor unit: See "Outdoor 7-segment display" in the list.
• In case of check from indoor unit with wireless remote controller: See "Sensor block display of receiving
unit" in the list.
Check code
Wired
Outdoor 7-segment display
remote
controller
display
E01 —
E02 —
E03 —
E04 —
No. of indoor units in which
E06 E06 sensor has been normally
received
— E07
E08 E08 Duplicated indoor addresses
E09 —
E10 —
01: Indoor/Outdoor
E12 E12
02: Communication between
E15 E15
E16 00: Capacity over
E16
01 ~:No. of connected units
E18 —
00: Header is nothing
E19 E19
02: Two or more header units
01: Outdoor of other line
E20 E20
02: Indoor of other line
27-EN
Wireless remote controller
Auxiliary code OPERATION TIMER PRE.DEF. Flash
—
—
—
—
—
—
—
communication
outdoor units
—
—
connected
connected
AI-NET: Artificial Intelligence.
IPDU: Intelligent Power Drive Unit
: Lighting, : Flashing,
ALT.: Flashing is alternately when there are two flashing LED.
SIM: Simultaneous flashing when there are two flashing LED.
Sensor block display of
receiving unit
– 27 –
: Goes off
Check code name
Communication error between indoor
and remote controller
(Detected at remote controller side)
Remote controller transmission error
Communication error between indoor
and remote controller (Detected at
indoor side)
Communication circuit error between
indoor/outdoor (Detected at indoor side)
Decrease of No. of indoor units
Communication circuit error between
indoor/outdoor (Detected at outdoor
side)
Duplicated indoor addresses
Duplicated main remote controllers
Communication error between indoor
MCU
Automatic address start error
Indoor is nothing during automatic
addressing
Capacity over / No. of connected indoor
units
Communication error between indoor
units
Outdoor header units quantity error
Other line connected during automatic
address
Installation Manual
Judging
device
Remote
controller
Remote
controller
Indoor
Indoor
I/F
I/F
Indoor / I/F
Remote
controller
Indoor
I/F
I/F
I/F
Indoor
I/F
I/F