Toshiba MMU-AP0121MH Manuale Di Servizio

TROUBLESHOOTING

Check code

Wireless remote controller

Outdoor 7-segment display

Sensor block display

of receiving unit

Main

remote

controller

display

Auxiliary code

Operation

Timer

Ready

Flash

Check code name

Judging device

F01

—

¤ ¤

ALT

Indoor TCJ sensor error

Indoor

F02

—

¤ ¤

ALT

Indoor TC2 sensor error

Indoor

F03

—

¤ ¤

ALT

Indoor TC1 sensor error

Indoor

F04

—

¤ ¤

ALT

TD1 sensor error

I/F

F05

—

¤ ¤

ALT

TD2 sensor error

I/F

F06

—

¤ ¤

ALT

TE1 sensor error

I/F

F07

—

¤ ¤

ALT

TL sensor error

I/F

F08

—

¤ ¤

ALT

TO sensor error

I/F

F10

—

¤ ¤

ALT

Indoor TA sensor error

Indoor

F12

—

¤ ¤

ALT

TS1 sensor error

I/F

F13

01: Comp. 1 side
02: Comp. 2 side

¤ ¤

ALT

TH sensor error

IPDU

F15

—

¤ ¤

ALT

Outdoor temp. sensor miscabling (TE, TL)

I/F

F16

—

¤ ¤

ALT

Outdoor pressure sensor miscabling (Pd, Ps)

I/F

F23

—

¤ ¤

ALT

Ps sensor error

I/F

F24

—

¤ ¤

ALT

Pd sensor error

I/F

F29

—

¤ ¤

SIM

Indoor other error

Indoor

F31

—

¤ ¤

SIM

Indoor EEPROM error

I/F

H01

01: Comp. 1 side
02: Comp. 2 side

Compressor break down

IPDU

H02

01: Comp. 1 side
02: Comp. 2 side

Magnet switch error
Overcurrent relay operation
Compressor trouble (lock)

MG-SW

Overcurrent relay

IPDU

H03

01: Comp. 1 side
02: Comp. 2 side

Current detect circuit system error

IPDU

H04

—

Comp 1 case thermo operation

I/F

H06

—

Low pressure protective operation

I/F

H07

—

Oil level down detective protection

I/F

H08

01: TK1 sensor error
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error

Oil level detective temp sensor error

I/F

H14

—

Comp 2 case thermo operation

I/F

H16

01: TK1 oil circuit system error
02: TK2 oil circuit system error
03: TK3 oil circuit system error
04: TK4 oil circuit system error

Oil level detective circuit error
Magnet switch error
Overcurrent relay operation

I/F

MG-SW

Overcurrent relay

L03

—

SIM

Indoor center unit duplicated

Indoor

L04

—

SIM

Outdoor line address duplicated

I/F

L05

—

SIM

Duplicated indoor units with priority
(Displayed in indoor unit with priority)

I/F

L06

No. of indoor units with priority

SIM

Duplicated indoor units with priority
(Displayed in unit other than indoor unit with priority)

I/F

L07

—

SIM

Group line in individual indoor unit

Indoor

L08

—

SIM

Indoor group/Address unset

Indoor, I/F

L09

—

SIM

Indoor capacity unset

Indoor

L10

—

SIM

Outdoor capacity unset

I/F

L20

—

SIM

Duplicated central control addresses

Indoor

L28

—

SIM

Over No. of connected outdoor units

I/F

L29

01: IPDU1 error
02: IPDU2 error
03: IPDU3 error
04: Fan IPDU error
05: IPDU1 + Fan IPDU error
06: IPDU2 + Fan IPDU error
07: All IPDU error

SIM

No. of IPDU error

I/F

L30

Detected indoor address

SIM

Indoor outside interlock

Indoor

—

L31

—

Extended I/C error

I/F

Error detected by TCC-LINK central control device

Terminology

TCC-LINK : TOSHIBA Carrier Communication Link.

Check code

Wireless remote controller

Outdoor 7-segment display

Sensor block display

of receiving unit

Main

remote

controller

display

Auxiliary code

Operation

Timer

Ready

Flash

Check code name

Judging device

P01

—

¤ ¤

ALT

Indoor fan motor error

Indoor

P03

—

ALT

Discharge temp. TD1 error

I/F

P04

01: Comp. 1 side

02: Comp. 2 side

ALT

High-pressure SW system operation

IPDU

P05

01: Phase-missing detection

02: Phase error

ALT

Phase-missing detection /Phase error

I/F

P07

01: Comp. 1 side

02: Comp. 2 side

ALT

Heat sink overheat error

IPDU, I/F

P10

P10 Detected indoor address

¤ ¤

ALT

Indoor overflow error

Indoor

P12

—

¤ ¤

ALT

Indoor fan motor error

Indoor

P13

—

¤ ¤

ALT

Outdoor liquid back detection error

I/F

P15

01: TS condition

02: TD condition

ALT

Gas leak detection

I/F

P17

—

ALT

Discharge temp. TD2 error

I/F

P19

P19 Detected outdoor unit number

ALT

4-way valve inverse error

I/F

P20

—

ALT

High-pressure protective operation

I/F

[ : IGBT short

[ : Fan motor position detective circuit error

[ : Fan motor trouble

[

: TH sensor temp. error

(Heat sink overheat)

[ : TH sensor error

P22

[ : Vdc output error

ALT

Outdoor fan IPDU error

IPDU

P26

01: Comp. 1 side

02: Comp. 2 side

ALT

G-TR short protection error

IPDU

P29

01: Comp. 1 side

02: Comp. 2 side

ALT

Comp position detective circuit system error

IPDU

P31

—

ALT

Other indoor unit error (Group terminal unit error)

Indoor

Check code

Wireless remote controller

Outdoor 7-segment display

Sensor block display

of receiving unit

Central

control

device

indication

Auxiliary code

Operation

Timer

Ready

Flash

Check code name

Judging device

C05

—

Sending error in TCC-LINK central control device

TCC-LINK

C06

—

Receiving error in TCC-LINK central control device

TCC-LINK

C12

—

Batch alarm of general-purpose equipment control
interface

General-purpose equipment

I/F

Differs according to error contents of unit with occurrence of alarm

Group control branching unit error

P30

—

(L20 is displayed.)

Duplicated central control addresses

TCC-LINK