Check Code List - Toshiba RAV-SM562MUT-E Installation Manual

9
TROUBLESHOOTING
Check method
On the remote controller (Main remote controller, Central control remote controller) and the interface P.C. board of the
outdoor unit, a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C. board)
operation is provided. Therefore the operation status can be known. Using this self-diagnosis function, a fault and the
location of this fault within the air conditioning system can be located, 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 a fault from the indoor remote controller: See "Main remote controller display" in the list.
• In case of a fault from the outdoor unit: See "Outdoor 7-segment display" in the list.
• In case of a fault from the indoor unit with a wireless remote controller:
See "Sensor block display of receiving unit" in the list.
Check code
Main
Outdoor 7-segment display
remote
controller
display
Auxiliary code
E01 —
E02 —
E03 —
E04 —
E06 No. of indoor units in which sensor has
E06
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
E26 No. of outdoor units which received signal
E26
normally
E28 E28 Detected outdoor unit number
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
Terminology
Wireless remote controller
Sensor block display
of receiving unit
Operation Timer
¤
—
¤
—
¤
—
l
—
l
l
—
¤
¤
—
¤
—
¤
l
—
l
¤
—
l
l
l
—
l
—
l
l
l
IPDU : Intelligent Power Drive Unit
¡
¤
: Lighting, : Flashing,
ALT. : Flashing is alternately when there are two flashing LED.
SIM : Simultaneous flashing when there are two flashing LED.
Ready Flash
l l
Communication error between indoor and remote
controller (Detected at remote controller side)
l l
Remote controller transmission error
l l
Communication error between indoor and remote
controller (Detected at indoor side)
l ¤
Communication circuit error between
indoor/outdoor (Detected at indoor side)
l ¤
Decrease of No. of indoor units
l ¤
Communication circuit error between
indoor/outdoor (Detected at outdoor side)
l l
Duplicated indoor addresses
l l
Duplicated main remote controllers
l l
Communication error between indoor MCU
l l
Automatic address start error
l ¤
Indoor is nothing during automatic addressing
l ¤
Capacity over / No. of connected indoor units
l l
Communication error between indoor units
l ¤
Outdoor header units quantity error
l ¤
Other line connected during automatic address
l ¤ Sending error in communication between outdoor
units
l ¤
Duplicated follower outdoor addresses
l ¤
Decrease of No. of connected outdoor units
l
¤
Follower outdoor unit error
l ¤
IPDU communication error
25
l
: Goes off
Check code name 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
I/F
I/F
I/F
I/F
I/F