Toshiba MMK-AP0072H Installation Manual Download Page 24

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Check method

On the remote controller (Main remote controller, Central control remote controller) and the interface P.C. board of
the outdoor unit (I/F), a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C.
board) to display the operation is provided. Therefore the operation status can be known. Using this self-diagnosis
function, a trouble or position with error of the air conditioner can be found 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 check from indoor remote controller: See “Main remote controller display” in the list.
• In case of check from outdoor unit: See “Outdoor 7-segment display” in the list.
• In case of check from indoor unit with wireless remote controller: See “Sensor block display of receiving unit” in the list.

Terminology

AI-NET : Artificial Intelligence.
IPDU : Intelligent Power Drive Unit

: Lighting,

: Flashing,

: Goes off

ALT. : Flashing is alternately when there are two flashing LED.
SIM : Simultaneous flashing when there are two flashing LED.

Check code

Main

remote

controller

display

E01

E02

E03

E04

E06

—

E08

E09

E10

E12

E15

E16

E18

E19

E20

E23

E25

E26

E28

E31

Outdoor 7-segment display

Auxiliary code

—

No. of indoor units in which

E06

sensor has been normally received

E07

—

E08

Duplicated indoor addresses

—

01: Indoor/Outdoor communication

E12

02: Communication between

outdoor units

E15

—

E16

00: Capacity over
01

: No. of connected units

—

E19

00: Header is nothing
02: Two or more header units

E20

01: Outdoor of other line connected
02: Indoor of other line connected

E23

—

E25

—

E26

No. of outdoor units which
received signal normally

E28

Detected outdoor unit number

01: IPDU1 error
02: IPDU2 error
03: IPDU1, 2 error

E31

04: Fan IPDU error
05: IPDU + Fan IPDU error
06: IPDU2 + Fan IPDU error
07: All IPDU error

Wireless remote controller

Sensor block display

of receiving unit

Operation

Timer

Ready

Flash

Check code name

Communication error between indoor and
remote controller
(Detected at remote controller side)

Remote controller transmission error

Communication error between indoor and
remote controller (Detected at indoor side)

Communication circuit error between indoor/
outdoor (Detected at indoor side)

Decrease of No. of indoor units

Communication circuit error between indoor/
outdoor (Detected at outdoor side)

Duplicated indoor addresses

Duplicated main remote controllers

Communication error between indoor MCU

Automatic address start error

Indoor is nothing during automatic addressing

Capacity over / No. of connected indoor units

Communication error between indoor units

Outdoor header units quantity error

Other line connected during automatic
address

Sending error in communication between
outdoor units

Duplicated follower outdoor addresses

Decrease of No. of connected outdoor units

Follower outdoor unit error

IPDU communication error

Judging device

Remote controller

Indoor

I/F

Indoor / I/F

Remote controller

Indoor

I/F

Indoor

I/F

TROUBLESHOOTING

Summary of Contents for MMK-AP0072H

Page 1: ...DING ÅÃ ÅÉÑÉÄÉÏ ÅÃÊÁÔÁÓÔÁÓÇÓ SUPER MODULAR MULTI SYSTEM AIR CONDITIONER SMMS CLIMATISEUR SMMS KLIMAGERÄT SMMS CONDIZIONATORE D ARIA SMMS APARATO DE AIRE ACONDICIONADO SMMS AR CONDICIONADO SMMS AIRCONDITIONER SMMS ÊËÉÌÁÔÉÓÔÉÊÏ SMMS For commercial use Not accessible to the general public Pour usage commercial Vente interdite au grand public Nur für gewerbliche Nutzung kein öffentlicher Zugang Per us...

Page 2: ...rement le contenu du Manuel du propriétaire et le remettre au client Wir danken Ihnen dass Sie sich für ein TOSHIBA Klimagerät entschieden haben Bitte lesen Sie diese Installations Handbuch bevor Sie Ihr Klimagerät benutzen sorgfältig Lassen Sie sich die Betriebsanleitung und das Installations Handbuch unbedingt vom Installateur oder vom Lieferanten aushändigen Eine Bitte an den Installateur oder ...

Page 3: ...INSTALACIÓN ELÉCTRICA 108 10 CONTROLES APLICABLES 112 11 PRUEBA DE FUNCIONAMIENTO 114 12 RESOLUCIÓN DE PROBLEMAS 116 Acessórios e peças adquiridas localmente 121 1 PRECAUÇÕES DE SEGURANÇA 122 2 SELECÇÃO DO LOCAL DE INSTALAÇÃO 123 3 INSTALAÇÃO DA UNIDADE INTERIOR 125 4 ABRIR UM ORIFÍCIO E MONTAR A CHAPA DE INSTALAÇÃO 126 5 INSTALAÇÃO DATUBAGEM E MANGUEIRA DE DRENAGEM 127 6 FIXAÇÃO DA UNIDADE INTERI...

Page 4: ...hape Usage Model RBC AMT21E Part No 1 2 Part name Q ty Installation plate 1 Wireless remote controller 1 Part No 3 4 Part name Q ty Battery 2 Remote controller holder 1 Part No 5 6 Part name Q ty Mounting screw Ø4 25 l x 6 Pan head wood screw Ø3 1 16 l 2 Others Name Owner s manual Installation manual Paper pattern Refrigerant piping Piping material used for the conventional refrigerant cannot be u...

Page 5: ...ect the Appliance from Main Power Supply This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm WARNING Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Inappropriate installation may result in water leakage electric shock or fire Turn off the main power supply switch or breake...

Page 6: ...e gas leaks and stays around the unit a fire may occur 2 SELECTION OF INSTALLATION PLACE WARNING Install the air conditioner where there is sufficient strength to weight of the unit If strength is insufficient the unit may fall down resulting in human injury Perform a specified installation work to guard against an earthquake An incomplete installation can cause accidents by the units failing and ...

Page 7: ...t Rear left Right Rear right Bottom right For the rear left and left piping Wall Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation Bottom left 6 Pan head wood screw Hook 170mm or more 170mm or more 100 mm or more Hook 1 Installation plate Air filter Attach to the front panel Shield pipe When installing the Flow Selector Unit FS Unit keep a space more...

Page 8: ...bundle it with PP band at positions other than specified Remote controller A place where there are no obstacles such as a curtain that may block the signal from the indoor unit Do not install the remote controller in a place exposed to direct sunlight or close to a heating source such as a stove Keep the remote controller at least 1m apart from the nearest TV set or stereo equipment This is necess...

Page 9: ...ook 5 CAUTION Failure to firmly install the unit may result in personal injury and property damage if the unit falls In case of block brick concrete or similar type walls make 5mm dia holes in the wall Insert clip anchors for appropriate mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it Projection 15mm or less 7 Mounting sc...

Page 10: ... left slit for notching of the front panel A knife will produce flaws on the panel so use nippers 2 Changing drain hose For piping work at the left side lower left side and left back side it is necessary to change the drain hose and drain cap How to remove the drains cap Clip drain cap by needle nose pliers and pull out How to install the drain hose Firmly insert drain hose connecting part until h...

Page 11: ...ing pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with facing tape Carefully arrange pipes so that any pipe does not stick out of the rear plate of the indoor uni...

Page 12: ...ult in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at a height above the drain guide 1 Run the drain hose sloped downwards NOTE Hole should be made at a slight downward slant on the outdoor side 2 Put water in the drain pan and make su...

Page 13: ...or unit Piping material and dimensions Piping material Model Pipe size mm Gas side Liquid side Phosphor deoxidization joint less pipe for air conditioner MMK AP0072H to MMK AP0122H Ø9 5 Ø6 4 Use a clean and new pipe and check that impurity such as dust oil moisture etc does not adhere in the pipe Pipe Forming End Positioning Flaring 1 Cut the pipe with a pipe cutter 2 Insert a flare nut into the p...

Page 14: ...f m Airtight test Air purge etc For airtight test air purge addition of refrigerant and gas leak check follow the Installation Manual attached to the outdoor unit Open fully valves of the outdoor unit Gas leak check Check with a leak detector or soap water whether gas leaks or not from the pipe connecting section or cap of the valve REQUIREMENT Use a leak detector manufactured exclusively for HFC ...

Page 15: ...es not come to contact with the high temperature part of the pipe The coating may melt resulted in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the wire clamp Store the refrigerant piping line and control wiring line in the same line Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes Power supply specificati...

Page 16: ...AUTION The remote controller wire Communication line and AC220 240V wires cannot be parallel to contact each other and cannot be stored in the same conduits If doing so a trouble may be caused on the control system due to noise etc Total wire length of remote controller inter unit wiring L1 L2 Ln Up to 500m Up to 400m Up to 200m Remote controller inter unit wiring Indoor unit Remote controller Ind...

Page 17: ...ly open the lower part of the front panel then pull the upper part of the front panel toward you to remove it from the rear plate 4 After removing the front panel remove the wiring cover and the cord clamp 5 Connect and secure the power supply cable of flow selector unit and secure the cord clamp 6 The control wires are included in terminal block part of the power supply Take out the control wires...

Page 18: ...sses according to the Installation Manual attached to the outdoor unit Terminal block for remote controller wiring of indoor unit A B Approx 200mm W White B Black W B Remote controller wire Local procure Wire from remote controller unit or sensor Connecting part Remote controller unit or sensor part Wire from remote controller or sensor Remote controller wiring Wire joint Header unit Follower unit...

Page 19: ...es as shown in the figure Check that the displayed item code is 10 If the item code indicates other than 10 push button to erase the display and then retry the operation from the first step For some time after button has been pushed the operation of the remote controller cannot be accepted In a group control the firstly displayed indoor unit No becomes the header unit Every pushing UNIT button the...

Page 20: ...C 6 C Adjustment of air direction 1 Using the remote controller switch change the up down air direction by moving the horizontal flap 2 Adjust the right left air direction by bending the vertical grille inside of the air outlet port with hands REQUIREMENT Do not touch the horizontal flap directly with hands otherwise a trouble may be caused For handling of the horizontal flap refer to Owner s Manu...

Page 21: ...stop status 11 TEST RUN Before test operation Before turning on the power supply carry out the following items 1 Using 500V megger check there is 1MΩ or more between the terminal block of the power supply and the earth If 1MΩ or less is detected do not run the unit 2 Check that all the valves of the outdoor unit are fully opened Never push the electromagnetic contactor to carry out a forced test o...

Page 22: ...tion changes to a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 3 To stop a test operation push TEMPORARY button once again Approx 1 second The up down air flow adjusting plate closes and the operation stops Check transmission of remote controller 1 Push START STOP button of the r...

Page 23: ...rating status or stop status Procedure 1 2 3 Description When pushing SET and buttons simultaneously for 4 seconds or more the right display appears If Service Check is displayed the mode enters in the error history mode 01 Order of error history is displayed in CODE No window Check Code is displayed in CHECK window Indoor unit address in which an error occurred is displayed in UNIT No Every pushi...

Page 24: ... No of connected units E19 00 Header is nothing 02 Two or more header units E20 01 Outdoor of other line connected 02 Indoor of other line connected E23 E25 E26 No of outdoor units which received signal normally E28 Detected outdoor unit number 01 IPDU1 error 02 IPDU2 error 03 IPDU1 2 error E31 04 Fan IPDU error 05 IPDU Fan IPDU error 06 IPDU2 Fan IPDU error 07 All IPDU error Wireless remote contr...

Page 25: ...ensor error TD1 sensor error TD2 sensor error TE1 sensor error TL sensor error TO sensor error Indoor TA sensor error TS1 sensor error TH sensor error Outdoor temp sensor miscabling TE TL Outdoor pressure sensor miscabling Pd Ps Ps sensor error Pd sensor error Indoor other error Indoor EEPROM error Compressor break down Magnet switch error Overcurrent relay operation Compressor trouble lock Curren...

Page 26: ...oor overflow error Indoor fan motor error Outdoor liquid back detection error Gas leak detection Discharge temp TD2 error 4 way valve inverse error High pressure protective operation Outdoor fan IPDU error G TR short protection error Comp position detective circuit system error Other indoor unit error Group terminal unit error Error in indoor group Judging device Indoor I F IPDU I F IPDU I F Indoo...

Page 27: ... alternately Used characters Characteristics of code classification Block display Check code in current system Hexadecimal notation 2 digits Few classification of communication incorrect setup system Indoor P C board Outdoor P C board Cycle Communication New check code Alphabet Decimal notation 2 digits Many classification of communication incorrect setup system Communication Incorrect setup 4 way...

Page 28: ... the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air co...

Page 29: ... 0003 Have you changed lighting time of filter sign If not fill check mark in NO CHANGE and fill check mark in ITEM if changed respectively For check method refer to Applicable controls in this sheet Filter sign lighting time Filter sign lighting time Filter sign lighting time Filter sign lighting time Item code 01 Item code 01 Item code 01 Item code 01 o NO CHANGE o NO CHANGE o NO CHANGE o NO CHA...

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