Check Code List - Toshiba MML-AP0074NH-E Installation Manual


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
Wireless
Outdoor 7-segment display
remote
controller
Auxiliary code
display
E01 — —
E02 — —
E03 — —
E04 — —
No. of indoor units in which
E06 E06 sensor has been normally
received
— E07 —
E08 E08 Duplited indoor addresses
E09 — —
E10 — —
01: Indoor/Outdoor
communication
E12 E12
02: Communication between
outdoor units
E15 E15 —
00: Capacity over
E16 E16
01 ~:No. of connected units
E18 — —
00: Header is nothing
E19 E19
02: Two or more header units
01: Outdoor of other line
connected
E20 E20
02: Indoor of other line
connected
E22 E22 —
AI-NET: Artifi cial Intelligence.
IPDU: Intelligent Power Drive Unit
: Lighting,
ALT.: Flashing is alternately when there are two fl ashing LED.
SIM: Simultaneous fl ashing when there are two fl ashing LED.
Wireless remote controller
Sensor block display of
receiving unit
OPERATION TIMER PRE.DEF. Flash
–25–
Installation Manual
: Flashing, : 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
Reduction in number of heat storage
units
EN
FR
DE
IT
ES
PT
Judging
device
NL
GR
Remote
controller
RU
Remote
controller
TR
Indoor
CS
Indoor
LV
I/F
SK
I/F
SI
Indoor / I/F
Remote
controller
Indoor
I/F
I/F
I/F
Indoor
I/F
I/F
I/F
25-EN