Toshiba MMU-AP0091H service manual 165

2. Data display of outdoor unit information (Displayed on each outdoor unit)

SW01

SW02

SW03

Display contents

1

1

1

Error data

A

Displays outdoor unit number: [U1] to [U4]

B

Displays check code (Latest code only is displayed.)

There is no check code: [– – –]

There is sub-code: Check code [∗ ∗ ∗ ] for 3 seconds,

sub-code [– ∗ ∗ ] for 1 second alternately

<SW04> push function

: Fan of unit with error only drives. 7-segment A: [E1]

<SW04 + SW05> push function : Fan of normal unit only drives. 7-segment A: [E0]

<SW05> push function

: Interruption of fan operation function

2

—

A

—

B

—

3

Operation mode

A

Stop: [ ]

Normal cooling: [ C], Normal heating: [ H], Normal defrost: [ J]

B

—

4

Outdoor unit HP

A

5HP: [ 5], 6HP: [ 6], 8HP: [ 8], 10HP: [10], 12HP: [12]

B

[HP]

5

Compressor operation command

A

No.1 compressor operation command is displayed.

Data display with Hexadecimal notation: [00 to FF]

B

No.2 compressor operation command is displayed.

Data display with Hexadecimal notation: [00 to FF]

<SW04> push function

: Inverter frequency is exchanged to decimal notation.

7-segment display (A/B)

: [∗

∗

] [∗ ∗ H] (Normal display by pushing <SW05>)

6

Outdoor fan step

A

[FP]

B

Step 0 to 31: [ 0 to 31]

7

Compressor backup

A

Displays No.1 compressor setup status

Normal: [

], Backup setup: [C1]

B

Displays No.2 compressor setup status

Normal: [

], Backup setup: [C2]

8

—

A

—

B

—

9

Control valve output data

Displays control output status of solenoid valve

A

B

4-way valve: ON

H. 1

…

…

…

4-way valve: OFF

H. 0

…

…

…

10

SV2: ON / SV5: OFF

2. 1

…

5. 0

SV2: OFF / SV5: ON

2. 0

…

5. 1

11

SV3A: ON / SV3B: OFF / SV3C: OFF /SV3D: OFF

3. 1

0 0 0

SV3A: OFF / SV3B: ON / SV3C: OFF /SV3D: OFF

3. 0

1 0 0

SV3A: OFF / SV3B: OFF / SV3C: ON /SV3D: OFF

3. 0

0 1 0

SV3A: OFF / SV3B: OFF / SV3C: OFF /SV3D: ON

3. 0

0 0 1

12

SV41: ON / SV42: OFF

4. …

1 0 …

SV41: OFF / SV42: ON

4. …

0

1 …

13

—

…

…

…

…

…

—

…

…

…

…

…

14

PMV1 /PMV2 opening

Displays opening data (Decimal) (Total opening)

∗

∗

∗

∗ . P

15

—

—

…

∗

∗

∗ . P

16

Oil level judgment status

A

[oL]

[SW05] push SW function: The following data is displayed for 2 seconds.

* During oil shortage in compressor 1: [L … ],

during oil shortage in compressor 2: [… L]

B

Initial display: […

…

… ], Oil level judgment result: [A. #. ∗ ]

Judgment result of compressor 1 in [#], compressor 2 in [∗ ]

(0: Normal, 1, 2: Shortage) is displayed.

165