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62-EN

SMMS-i

Installation Manual

11TROUBLESHOOTING

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

Rotary switch setting value

 

 

 

D600 D601 D602 D603 D604

SW01

SW02

SW03

Indication

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

Outdoor unit number

1

1

1

Outdoor unit check code

 

 

 

 

(U1 to U4)

 

 

 

 

 

 

 

 

 

B

 

 

Check code display*

*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].

 

Check code

 

Indication on 7-segment display on the outdoor unit

Check code name

 

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

Automatic addressing start error

 

02: Communication between outdoor units

 

E15

No indoor unit during automatic addressing

 

 

 

E16

00: Capacity over

Capacity over / number of connected indoor units

01~: Number of connected units

 

 

E19

00: Header is nothing

Number of header outdoor unit error

02: 2 or more header units

 

 

E20

01: Other line indoor connected

Other lines connected during automatic addressing

02: Other line indoor connected

 

 

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

Follower outdoor unit error

E31

IPDU quantity information(*1)

IPDU communication error

F04

TD1 sensor error

 

 

 

F05

TD2 sensor error

 

 

 

F06

01: TE1 sensor

TE1 sensor error

02: TE2 sensor

TE2 sensor error

 

F07

TL sensor error

F08

TO sensor error

 

 

 

F12

TS1 sensor error

 

 

 

 

01: Compressor 1

 

F13

02: Compressor 2

TH (Heat sink) sensor error

 

03: Compressor 3

 

SMMS-i

 

Installation Manual

 

 

 

 

Check code

 

 

 

Indication on 7-segment display on the outdoor unit

Check code name

 

Auxiliary code

 

F15

Outdoor temp. sensor miswiring

Outdoor pressure sensor miswiring (TE1, TL)

 

 

F16

Outdoor temp. sensor miswiring

Outdoor pressure sensor miswiring (Pd, Ps)

 

 

F22

TD3 sensor error

 

 

 

F23

Ps sensor error

 

 

 

F24

Pd sensor error

 

 

 

F31

Outdoor EEPROM error

 

 

 

 

01: Compressor 1

 

H01

02: Compressor 2

Compressor breaking down

 

03: Compressor 3

 

 

01: Compressor 1

 

H02

02: Compressor 2

Compressor error (Locked)

 

03: Compressor 3

 

 

01: Compressor 1

 

H03

02: Compressor 2

Current detection circuit error

 

03: Compressor 3

 

H05

TD1 sensor miswiring

 

 

 

H06

Low pressure proctive operation

 

 

 

H07

Oil level down detection

 

 

 

 

01: TK1 sensor error

 

 

02: TK2 sensor error

Temperature sensor error for oil level

H08

03: TK3 sensor error

 

04: TK4 sensor error

 

 

05: TK5 sensor error

 

H15

TD2 sensor miswiring

 

 

 

 

01: TK1 oil circuit error

 

 

02: TK2 oil circuit error

Oil level detector circuit error

H16

03: TK3 oil circuit error

 

04: TK4 oil circuit error

 

 

05: TK5 oil circuit error

 

H25

TD3 sensor miswiring

L04

Outdoor system address duplication

 

 

 

L06

Number of prior indoor units

Duplication of indoor units with priority

 

 

 

L08

Indoor unit group/address unset

 

 

 

L10

Outdoor unit capacity unset.

 

 

 

L17

Mismatch of the outdoor unit model

L28

Outdoor connected quantity over

 

 

 

L29

IPDU number information(*1)

IPDU quantity error

L30

Detected indoor unit address

External interlock of indoor unit

 

 

 

L31

Other compressor errors

 

 

 

P03

Discharge temperature TD1 error

 

01: Compressor 1

 

P04

02: Compressor 2

High-pressure SW system operation

 

03: Compressor 3

 

 

00:

Phase missing/power failure detection

 

 

 

P05

01: Compressor 1

 

02: Compressor 2

Inverter DC voltage error (on compressor)

 

 

03: Compressor 3

 

 

 

 

Page 32
Image 32
Toshiba MMY-MAP1004HT8ZG-E 11TROUBLESHOOTING, Segment display and check code, Rotary switch setting value

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