Toshiba MMY-MAP0804FT8-E, Installation Manual

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<Corrective trial>
▼ Start operation
1
Set the rotary switches on the interface P.C. board of the header outdoor unit as below.
When in “COOL” mode: SW01=[2], SW02=[5], SW03=[1].
When in “HEAT” mode: SW01=[2], SW02=[6], SW03=[1].
When in “FAN” mode: SW01=[2], SW02=[9], SW03=[1].
2
Push and hold SW04 for more than 2 seconds.
NOTE
• You cannot change the temperature setting during the test run.
• Errors are detected as usual.
• The unit does not perform test run for 3 minutes after turning the power on or stopping running.
▼ Stop operation
1
Set the rotary switches on the interface P.C. board of the header unit back:
SW01 to [1], SW02 to [1] and SW03 to [1].
[A]
[C ]
[H ]
[B]
[ ]
[ ]
[F ] [ ]
7-segment display
[A]
[C ]
[H ]
[B]
[ - C ]
[ - H ]
[F ] [ - F ]
7-segment display
[A]
[U1]
[B]
[ ]
7-segment display
SW04
SW01 SW02 SW03
D600 D601 D602 D603 D604
SW05 SW15
Push switch
7-segment
display [A]
Push switch
7-segment
display [B]
Rotary switches
Interface PC board
12
Troubleshooting
In addition to the CODE No. on the remote controller of an indoor unit, you can diagnose failure type of an outdoor unit by
checking the 7-segment display on the interface P.C. board.
Use the function for various checks.
Set every dip switch to OFF after checking.
7-Segment display and check code
* If a check code has an auxiliary code, the display indicates the check code for three seconds and the auxiliary
code for one second alternately.
Check code (indicated on the 7-segment display on the outdoor unit)
Indicated when SW01 = [1], SW02 = [1], and SW03 = [1].
Rotary switch setting value
Indication LED
SW01 SW02 SW03
1 1 1 Outdoor unit check code
A
Outdoor unit number
(U
1
to U
3
)
B Check code display*
Check code
Check code name Indication on 7-segment display on the outdoor unit
Auxiliary code
E06 Number of indoor units which received normally Decrease of number of indoor units
E07 — Indoor / outdoor communication circuit error
E08 Duplicated indoor addresses Duplication of indoor addresses.
E12
01: Communication between indoor and outdoor units
02: Communication between outdoor units
Automatic addressing start error
E15 — No indoor unit during automatic addressing
E16
00: Capacity over
01~: Number of connected units
Capacity over / number of connected indoor units
E19
00: Header is nothing
02: 2 or more header units
Number of header outdoor unit error
E20
01: Other line outdoor connected
02: Other line indoor connected
Other lines connected during automatic addressing
E23 — Sending error between outdoor units communication
E25 — Duplicated follower outdoor address set up
E26 Number of outdoor units which received normally Decrease of connected outdoor units
E28 Detected outdoor unit number Follower outdoor unit error
E31 IPDU quantity information
(*1)
IPDU communication error
E31 80 Communication error between MCU and sub MCU
F04 — TD1 sensor error
F05 — TD2 sensor error
F06
01: TE1 sensor
02: TE2 sensor TE1 sensor error
TE2 sensor error
F07 — TL sensor error
F08 — TO sensor error
F12
01: TS1 sensor
02: TS2 sensor TS1 sensor error
TS2 sensor error
D600
A B
D601 D602 D603 D604
63-EN 64-EN