Check Code List - Carrier MMK-AP0073H2UL Installation Manual

+001111053901_00Ta.book Page 27 Monday, January 17, 2011 11:35 AM
High Wall Type
Check codes and parts to be checked
Check method
On the remote control (Wired remote control, Central control remote control) and the interface P.C. board
of the outdoor unit (I/F), a check display LCD (Remote control) or 7-segment display (on the outdoor
interface P.C. board) to display the operation is provided. Therefore the operation status can be known.
With 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.
• To check from indoor remote control: See "Wired remote control display" in the list.
• To check from outdoor unit: See "Outdoor 7-segment display" in the list.
• To check from indoor unit with a wireless remote control: See "Sensor block display of receiving unit" in
the list.
Check code
Wired
Outdoor 7-segment display
remote
control
Auxiliary code
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
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
No. of outdoor units which
E26 E26
received signal normally
27-EN
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 control
Sensor block display of
receiving unit
Operation Timer Ready Flash
—
—
—
—
—
—
—
—
—
—
—
– 27 –
: Flashing, : Goes off
Check code name
Communication error between indoor and
remote control
(Detected at remote control side)
Remote control transmission error
Communication error between indoor and
remote control (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 header remote controls
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
Sending error in communication between
outdoor units
Duplicated follower outdoor addresses
Decrease of No. of connected outdoor
units
Installation Manual
Judging
device
Remote control
Remote control
Indoor
Indoor
I/F
I/F
Indoor / I/F
Remote control
Indoor
I/F
I/F
I/F
Indoor
I/F
I/F
I/F
I/F
I/F