Toshiba MMK-AP0074MH-E, Installation Manual

Page: 34 / 44

SMMS High-Wall Type
Installation Manual
– 33 –
Check method
On the 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 unit 7-segment display” in the list.
• In case of check from AI-NET central control remote controller: See “AI-NET central control display” in
the list.
• In case of check from indoor unit with a wireless remote controller: See “Sensor block display of receiving
unit” in the list.
: Lighting, : Flashing, : Goes off
AI-NET: Artificial Intelligence
IPDU: Intelligent Power Drive Unit
ALT: Flashing is alternately when there are two flashing LED.
SIM: Simultaneous flashing when there are two flashing LED.
Check code Wireless remote controller
Check code
name
Judging
device
Wired
remote
controller
display
Outdoor unit 7-
segment display
AI-NET
central
control
display
Sensor block display of
receiving unit
Auxiliary code Operation Timer Ready Flash
E01 — — —
Communication
error between
indoor unit and
remote controller
(Detected at
remote controller
side)
Remote
controller
E02 — — —
Remote controller
transmission error Remote
controller
E03 — — 97
Communication
error between
indoor unit and
remote controller
(Detected at
indoor unit side)
Indoor unit
E04 — — 04
Communication
circuit error
between indoor /
outdoor unit
(Detected at
indoor unit side)
Indoor unit
E06 E06
No. of indoor
units in which
sensor has been
normally
received
04
Decrease of No. of
indoor units
I/F
— E07 — —
Communication
circuit error
between indoor /
outdoor unit
(Detected at
outdoor unit side)
I/F
E08 E08
Duplicated
indoor unit
addresses
96
Duplicated indoor
unit addresses Indoor unit •
I/F
33-EN