Toshiba MMK-AP0057HP-E1 Service Manual page 100

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.
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 —
communication
E12 E12
outdoor units
E15 E15
E16 E16
E18 —
E19 E19
connected
E20 E20
connected
1111058602_EN.indd 33
Wireless remote controller
Sensor block display of
receiving unit
Auxiliary code OPERATION TIMER PRE.DEF. Flash
—
—
—
—
—
—
—
—
—
hen there are two flashing LED.
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
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
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FILE NO. SVM-17046
Installation Manual
en there are two flashing LED.
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
11/24/16 11:41 AM 11110586