Check Method; Check Code List - Toshiba MiNi-SMMS MCY-MAP0501HT Service Manual

10-2. Check Method

If an trouble occurs, the error code can be retrieved from the main remote controller/central remote controller (LCD
display) or the header unit interface P .C. board (7-segment display). Using this self diagnostic function, the trouble
can be identified using the table below.

Check code list

The following list shows all fault codes.
• If check code is from indoor remote controller: See "Main remote controller display" in the list.
• If check code is from outdoor unit: See "Outdoor 7-segment display" in the list.
• If check code is from AI-NET central control remote controller: See "AI-NET central control display" in the list.
• If check code is from indoor unit with wireless remote controller: See "Sensor display of receiving unit" in the list.
Check code
Outdoor 7-segment display
Wired
remote
controller
display
Auxiliary code
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
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
E23 E23 —
E25 E25 —
01: IPDU1 error
02: IPDU2 error
03: IPDU1, 2 error
E31 E31 04: Fan IPDU error
05: IPDU + Fan IPDU error
06: IPDU2 + Fan IPDU error
07: All IPDU error
IPDU: Intelligent Power Drive Unit
¡ : Lighting,
ALT.: Flashing is alternately when there are two flashing LED.
SIM: Simultaneous flashing when there are two flashing LED
Wireless remote controller
Sensor block display
of receiving unit
AI-NET central
control display
Timer Ready
Operation
¤ l
—
¤ l
—
¤ l
97
l l
04
l l
04
l l
—
¤ l
96
¤ l
99
¤ l
CF
¤ l
42
l l
42
l l
89
¤ l
97, 99
l l
96
l l
42
l l
15
l l
15
l l
CF
109
l
¤
: Flashing, : Goes off
Check code name
Flash
l
Communication error between indoor and remote
controller (Detected at remote controller side)
l
Remote controller transmission error
l 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)
l
Duplicated indoor addresses
l
Duplicated main remote controllers
l
Communication error between indoor MCU
l
Automatic address start error
¤
Indoor is nothing during automatic addressing
¤
Capacity over / No. of connected indoor units
l
Communication error between indoor units
¤
Outdoor header units quantity error
¤
Other line connected during automatic address
¤
Sending error in communication between outdoor units
¤
Duplicated follower outdoor addresses
¤
IPDU communication error
Detecting 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
I/F
I/F
I/F