Ariston MSZ 701 NF HB (T) Service Manual
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Ariston MSZ 701 NF HB (T) Service Manual

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Summary of Contents for Ariston MSZ 701 NF HB (T)

  • Page 2: Table Of Contents

    C O N T E N T S 1. EXTERNAL VIEWS....................2 1-1. EXTERNAL SIZE 1-2. NAME OF PARTS 2. SPECIFICATIONS.....................6 3. OPERATION AND FUNCTIONS ................. 7 3-1.Display 3-2.Temperature control of freezer compartment (FC) 3-3. Temperature control of refrigerature compartment (RC) 3-4.

  • Page 3: External Views

    1. EXTERNAL VIEWS 1-1. EXTERNAL SIZE MSZ 70* NF HB (T)
  • Page 4 MSZ 70* NF (T)
  • Page 5 1-2. NAME OF EACH PART MSZ 70* NF HB (T) Freezer Compartment Refrigerator Compartment 1. Ice cubes storage case 7. Dairy pocket 2. Freezer light 8. Deodorizer 3. Water/Ice Dispenser 9. Refrigerator light(A) 4. Freezer shelf 10. Wine holder 5. Freezer pocket 11.
  • Page 6 MSZ 701/702 NF (T) Freezer Compartment Refrigerator Compartment 1. Ice cubes storage case 7. Dairy pocket 2. Freezer light 8. Deodorizer 3. Water/Ice Dispenser 9. Refrigerator light(A) 4. Freezer shelf 10. Wine holder 5. Freezer pocket 11. Chilled case 6. Freezer case 12.

  • Page 7: Specifications

    2. SPECIFICATIONS Item Spec MODEL NAME FREEZER REFRIGERATOR ISO Gross Volume (ℓ) TOTAL FREEZER ISO Storage Volume (ℓ) REFRIGERATOR TOTAL WIDTH EXTERNAL DEPTH DIMENSION (mm) 1808 HEIGHT REFRIGERANT R134a Fan Cooling System COOLING SYSTEM COOLING & CONTROL DEFROST SYSTEM Fin Evaporator Forced SYSTEM Automatic Start &...

  • Page 8: Operation And Functions

    3. OPERA TION AND FUNCTIONS 3-1. DISPLAY INPUT CONTROL OBJECT Front PCB button freezer set, fridge set FCP LED super freeze, super cool water/cubed ice/crushed ice ice maker lock/reset water filter CONTENTS REMARKS 1. Normal Operation 1) Temperature control of Freezer/Refrigerator - Initial mode : Freezer &...
  • Page 9 OPERATION AND FUNCTIONS CONTENTS 2." freezer set" button 1) Temperature control of Freezer compartment 7 step mode of successive temperature mode. Initial mode by power input : "MID". Letters are indicated on 88 Display LED. Temperature Change : Low (Low-Mid) (Mid-High1) (Mid-High2) High...
  • Page 10 OPERATION AND FUNCTIONS CONTENTS REMARK 7. "ice maker lock" button Start by pushing "ice maker lock" button "ice maker lock" button is "ON", "Water"Icon is always "ON" Stop by pushing "ice maker lock" button again. "ice maker lock" LED is "OFF", "Water"...

  • Page 11: Temperature Control Of Freezer Compartment (Fc)

    OPERATION AND FUNCTIONS 3-2. Temperature Control of Freezer Compartment (FC) INPUT Control Object 1. freezer.set button 1. COMP 2. super freeze button 2. F-FAN 3. F-sensor CONTENTS REMARKS 1. Temperature modes change by pushing the button. High Mid-High3 Mid-High2 Mid-High1 Low-Mid 2.
  • Page 12 OPERATION AND FUNCTIONS CONTENTS REMARKS 5. super freeze * ON/OFF DIFF. : 1) Comp. and F-fan are ON (about 150 minutes) regardless of F-sensor. fixed by MICOM 2) F-fan runs at 14V for the first 90 min., then at 12V for the rest time. * STEP DIFF.
  • Page 13 OPERATION AND FUNCTIONS 3- 3 Temperature Control of Refrigerator Compartment (RC) INPUT Control Object 1. fridge set button 1. COMP 2. super cool 3. R-sensor 2. R-FAN CONTENTS REMARKS 1. Temperature modes change by pushing the button. * ON/OFF Diff. : Mid-High Low -Mid High...
  • Page 14 OPERATION AND FUNCTIONS CONTENTS REMARKS 7. Super cool refrigeration proceeds for 40 minutes. Example of temperature change (Refrigerator ; Low (normal) -> Super cool) super cool R-fan and comp. are ON until R-sensor reaches to over-refrigeration OFF point (-7 ). After reaching to the point, it goes on with HIGH mode u ntil the end of super cool.

  • Page 15: Control Of Each Mode

    OPERATION AND FUNCTIONS 3-4. Control of Each Mode INPUT Control Object 1. R SENSOR 1. F/R-Fan (14V, 12V) 2. F SENSOR 2. C-Fan (12V, 10V) CONTENTS REMARKS Normal control : Normal operation mode Load control : Operation mode when inside temperature goes up due to an increase of load (foods) or frequent door openings 1.
  • Page 16 OPERATION AND FUNCTIONS CONTENTS REMARKS 3. Control Time Chart of Each Mode 1) Start & stop of load control mode (Normal Control) Door On + 5deg F Fan 20min. On + 5deg 20min. R Fan Ref. Load Door Open Frz. Load Stop Frz.
  • Page 17 OPERATION AND FUNCTIONS CONTENTS REMARKS 4. Flow Chart of Load Control Mode Start Load control is avoided ? F/R door open time is over 30 sec. ? F/S ON + 5deg? Freezer Compartment Overload of both Overload compartments R-sensor ON + 5deg? Refrigerator Compartment Overload...

  • Page 18: Defrosting Cycle

    OPERATION AND FUNCTIONS 3-5. Defrosting Cycle INPUT Control Object 1. Total comp. work time 2. Comp. work rate 1. Defrosting Mode 3. RT temperature 4. Total door open time CONTENTS Remark 1. Conditions to start defrosting cycle 1) Total comp. work time : 6, 8, ..24 hours. 2) Total door open time : 3 minutes (Any door - F or R - open time is over 3 minutes.) 3) Total time of [comp.
  • Page 19 OPERATION AND FUNCTIONS CONTENTS REMARKS 3. Flow Chart of Defrosting Start Start Comp. work time is over 2 hours ? Total time is over 60 hours ? Comp. work time is over 24 hours ? Comp. work time is over 6 hours ? Total door open time is over 3 minutes ? Any error ?

  • Page 20: Defroting Mode

    OPERATION AND FUNCTIONS 3-6. Defrosting Mode INPUT Control Object 1. COMP 2. F-FAN 1. Defrosting Cycle 3. R-FAN 4. HEATER CONTENTS REMARKS 1. Defrosting Mode 1) Time ; 50 minutes 2) Comp. / F-fan : ON Pre-Cool R-fan : Control Heater : OFF 3) If F-sensor - 27 , then PRE-COOL becomes OFF...

  • Page 21: Error Display

    OPERATION AND FUNCTIONS 3-7. Error Display (LED Display of Front PCB) INPUT Control Object 1. Temperature Control Buttons 88 Display LED CONTENTS REMARKS 1. How to start 1) Press "crushed ice" button 5 times while pressing "water" button at the same time. 2) Push "super freeze "...
  • Page 22 OPERATION AND FUNCTIONS CONTENTS REMARKS 6. Control way of Errors (if any ) 1) "F1" ERROR Cause : F-sensor disconnection / short Control : Condition of ambient temperature RT/S ~7 C over 29 Work rate 14/ 50 16 / 41 27 / 45 26 / 22 35 / 20...
  • Page 23 OPERATION AND FUNCTIONS CONTENTS REMARKS 9) "EI" ERROR Cause : I-SENSOR disconnection / short Control : After water suppy, Ice drop every 4.8hour. Termination : When I-SENSOR is normal. 10) "EF" Error Cause : When Flow-sensor is ERROR(There is no Pulse during some time.) The number of pulse signal is below 10 by 1 sec during water supply.
  • Page 24 OPERATION AND FUNCTIONS 3-8. Forced Defrosting INPUT Control Object 1. "freezer set." Button 2. "fridge set." button Defrosting Mode CONTENTS REMARKS 1. How to start Push "fridge set." button 5 times while pushing "freezer set." button simultaneously. 2. How to proceed 1) Delete Pre-cool mode.
  • Page 25 OPERATION AND FUNCTIONS 3-11. Explanation After Delivery INPUT Control Object "freezer set." button "fridge set." button Electrical components Power Cord CONTENTS REMARKS 1. Start Push "fridge set." button for 3 seconds within 10 seconds just after power input. 2. Control 1) Electrical components are OFF for 3 hours.

  • Page 26: Delay Function Of Electric Compartments

    OPERATION AND FUNCTIONS 3-14. Delay Function of Electric Compartments INPUT Control Object COMP COMP ON/OFF F-FAN CONTENTS REMARKS F-fan delay by comp. ON/OFF F-fan is ON/OFF 1 minute after comp. is ON/OFF. 1 min. 1 min. 2) Fan Delay and Priority O N c o n d i t io n R F A N O F F...

  • Page 27: Control Of Interior Lights

    OPERATION AND FUNCTIONS 3-15. Home Bar (Refreshment Center) Heater INPUT Control Object None Comp. CONTENTS REMARKS It is linked with comp. 3-16. Control of Interior Lights INPUT Control Object Refrigerator Door Freezer Door Lamp Home-Bar Door (Refreshment Center) CONTENTS REMARKS 1) Control of Refrigerator Compartment Lights R lights turn ON/OFF by R-door switch (ON/OFF).

  • Page 28: Summary Of Function

    OPERA TION AND FUNCTIONS 3-18. Regulation of R-sensor ON/OFF Point INPUT Control Object Main PCB Resistance of R-sensor Mid ON/OFF Point CONTENTS REMARKS Regulation of R-sensor ON/OFF point (1.5degree DOWN) In case refrigeration of refrigerator is weak or insufficient, take the following action. R- SENSOR R26 : R-SENSOR standard resistance in normal mode (31.4K ) R37 : In case of weak ref., cut J18 to down the standard resistance by 1.5deg(2K)

  • Page 29: Automatic Icemaker

    OPERATION AND FUNCTIONS 3-20. Automatic Icemaker Input Control Object Full ice sensing switch Ice Maker Lock Ice separating motor Sensors CONTENTS REMARKS 1-1. Flow of ice making START Ice making ICE is being made. Mode water supply stand-by Ice separating Ice tray is twisted to separate ice cubes.
  • Page 30 OPERATION AND FUNCTIONS CONTENTS REMARKS 1-2. Ice making mode START I-S<-9.5 130 min passed? 15 min passed? I-S<-12.5 Ice separating mode Ice making stops if ice-sensor is below -12.5 degree after 130 minutes. Ice making also stops if ice-sensor is below -9.5 degree for 15 minutes, though ice-sensor is not below -12.5 degree after 130 minutes.
  • Page 31 OPERATION AND FUNCTIONS CONTENTS REMARKS 3. Water supply mode START Water supply valve ; ON Water flow pulse Count=0 1 sec passed after water valve ON? Water flow pulse >10 Flow-Sensor Error mode operation Water flow pulse >Pulse spec. water supply time> time spec. valve ;...

  • Page 32: Dispenser Control Function

    OPERATION AND FUNCTIONS 3-21. Dispenser Control Function Input Contr ol Object Dispenser Lamp Dispenser switch Crusher Motor Button (Water / Cubed Ice / Crushed Ice) Flap Solenoid Ice Maker Lock Button Crusher Solenoid Freezer Door Switch Dispenser Water Valve Contents Remark 1) Button to select Water / Cubed Ice / Crushed Ice * Initial Mode : Water...
  • Page 33 OPERATION AND FUNCTIONS Contents Remark 3) Control Flow & Timing Chart 3-1) Crushed Ice D.P SW D.P Lamp D.P S/V (Flap) Crusher Motor 3-2) Cubed Ice D.P SW D.P Lamp Cube S/V D.P S/V (Flap) Gear Motor 3-3) Water D.P SW D.P Lamp Water S/V Delay Time : A = 500ms, B = 500Ms, C = 2.0s, D = 5.0s...

  • Page 34: Circuit Operation

    4. CIRCUIT OPERATION 4-1. Power Circuit 1) Circuit Diagram 2) DC Output Power (Voltage) Point Oscilloscope Measurement Remarks * DC output A - 15.2 V B - 12 V...

  • Page 35: Smps Movement Wave

    CIRCUIT OPERATION 4-2. SMPS Movement Wave 1) Drain to Source Break V oltage Point Oscilloscope Measurement Remarks *Voltage between DRAIN and SOURCE : below 650V 2) OVP(Overvoltage Protection) Wave at power input Point Remarks Oscilloscope Measurement SMPS *Minimum IC PIN standard voltage OVP start :...
  • Page 36 CIRCUIT OPERATION 3) Initial Power Wave of Switching Power IC Point Remark Oscilloscope Measurement SMPS IC PIN...

  • Page 37: Sensors

    CIRCUIT OPERATION 4-3. Sensors 1) Circuit Diagram 2) Function of Each Sensor [ F-sensor ] 1) It senses the temperature of freezer compartment and controls Comp., F-fan ON / OFF. 2) How it works ; Working Point Low ON Mid OFF High OFF Working Temp.

  • Page 38: Relay Function

    CIRCUIT OPERATION * In case refrigeration of refrigerator compartment is poor or insufficient though comp. and R-fan operate in normal way ; 1) Cut J18 on M-PCB, then temp. is low ered 1.5 than [Mid OFF point]. 2) Cut J18 + J19 on M-PCB, then the temp. is lowered 4-4.Relay Function 1) Circuit Diagram 2) How it works ;...

  • Page 39: Fan Function

    CIRCUIT OPERATION 4-5. Fan Function 1) Circuit Diagram 2) Explanation for the Operation 1) TA7291P is the Drive IC for the only DC MOTOR, and used for control of the FAN MOTOR. 2) One input and output is used for the control of the FAN MOTOR. Remark Input 1 (Motor IC 5) Output 1 (Motor IC 2)

  • Page 40: Diagram

    5. DIAGRAM 5-1. WIRING DIAGRAM...

  • Page 41: Circuit Diagram Of Main Pcb

    DIAGRAM 5-2. Circuit Diagram of Main PCB...

  • Page 42: Circuit Diagram Of Front Pcb

    DIAGRAM 5-3. Circuit Diagram of Front PCB...

  • Page 43: Installation Guide

    6. INSTALLATION GUIDE 6-1. Installation Preparation Check if the refrigerator can pass a doorway or enter a door first. Dimensions( including Door Handles) 928mm 801mm 1808mm (Width*Depth*Height) Find a suitable place to install Suf ficient space from refrigerator back to the Avoid direct sunlight.

  • Page 44: If The Refrigerator Can Not Enter The Door

    INSTALLATION GUIDE 6-2. 6-2. If the refrigerator can not enter the door Removing Freezer Door Remove front bottom cover first, if it is attached. Remove the bottom cover first. Unscrew top hinge cover with a Turn top hinge fastener Pull out the left collar of the coupling screw driver.
  • Page 45 INSTALLATION GUIDE Replacing Freezer Door Insert the water tube into the hole of Insert the bottom hole of freezer Let the top of door close to the the bottom hinge pin first, then door straight to the bottom hinge pin. cabinet and insert the top hinge Insert the bottom of freezer door into pin to the top hole of freezer door.

  • Page 46: Refrigerator Leveling & Door Adjustment

    INSTALLATION GUIDE Refrigerator Leveling & 6-3. Refrigerator Leveling & Door Adjustment Door Adjustment ( If needed. ) Refrigerator must be level in order to maintain optimal performance and desirable front appearance. (If the floor beneath the refrigerator is uneven, freezer and refrigerator doors look unbalanced.) In case freezer door is lower than refrigerator door Insert a screw driver (flat tip) into a Open the doors, unscrew the front...

  • Page 47: 6-4. Water Line Installation

    6-4. Water Line Installation How to install Water Line 1. The water pressure should be 3kgf/cm or more to run the automatic icemaker. WATER SUPPLY KIT Checkup your tap water pressure ; if a cup of 180cc is full within 10 seconds, the pressure is OK. Check the parts below for installing water supply.
  • Page 48 3. Remove any substance from filter 1) Open the main tap water valve and check if water comes out of Connector the Water Tube. 2) Check if the Water Valve is open in case water does not come out. 3) Leave the valve open until clean water is coming out. Initial water may contain some substances out of filter (manufacturing process).

  • Page 49: Exploded View

    7. EXPLODED VIEW 7-1. MSZ 701 NF HB (T) / MSZ 702 NF HB (T) CABINET...
  • Page 50 EXPLODED VIEW MECH ROOM...
  • Page 51 EXPLODED VIEW R-Room...
  • Page 52 EXPLODED VIEW F ROOM Eva Assy...
  • Page 53 EXPLODED VIEW F-Door...
  • Page 54 EXPLODED VIEW R-Door...
  • Page 55 ※ MSZ 701 NF HB (T)/MSZ 702 NF HB (T) Parts List Part Name Part Code Q’ty Description Remark 3000003620 ASSY CAB URT FRS-551F (DSG1E) 3012917620 HINGE *T *R AS PO T3.0 3012918520 HINGE *T *L AS PO T3.0 3012013000 FIXTURE *T HI PP M6X19 7051401065...
  • Page 56 Part Code Part Name Q’ty Description Remark 3010326701 BASE COMP AS FR-S580DGB(Handle) T2 M6.5X20 3016003300 SPECIAL BOLT 3011344221 CORD POWER AS AC 250V 16A(VDE) European 2Pin 7112401211 SCREW TAPPING T1 TRS 4X12 MFZN 7051401065 SCREW MACHINE PAN 4X10VSW BSNI COMP MK183Q-L2U 3956183D50 3016002500...
  • Page 57 Part Code Part Name Q’ty Description Remark 3017905300 SOCKET R LAMP AS 250V/1A 7121300811 SCREW TAPPING T2S PAN 3X8 3013602030 LAMP R A 240V 25W(GENERAL) 3015507900 WINDOW R LAMP A MIPS 3016002720 SPECIAL CAP SCREW 4X12 3017827300 SHELF R AS FRAME+NUDE LASS+FIXTURE 3012514500 GUIDE CASE A *L AS...
  • Page 58 Part Code Part Name Q’ty Description Remark MOTOR F FAN DL-2213DWFA-2 3015911310 3018917200 LOUVER F C 7142401611 SCREW TAPPING T2 TRS 4X16 MFZN 3011834500 ABS ￠130 LOUVER F D AS 3018914910 3014805300 SENSOR F AS PT-38 3018914700 LOUVER F B AS FR-S580CG 3018914630 LOUVER F A AS...
  • Page 59 Part Name Remark Part Code Q’ty Description 3019019140 POCKET F HIPS HOLE SILK 3000048510RWH3L ASSY F DR FRS-552F MSZ 701 ASSY F DR FRS-552F 3000048510DSG1E MSZ 702 135-1 3010964600 CAP ICE PATH FRAME HIPS 135-2 3012314200 GASKET F DR AS 135-3 3011754130 DOOR F URT AS...
  • Page 60 Part Name Part Code Q’ty Description Remark 3000018840RWH3L ASSY R DR FRS-552F MSZ 701 ASSY R DR FRS-552 MSZ 702 3000018840DSG1E 159-1 3012314500 GASKET R DR AS 159-2 3012314410 GASKET H/BAR B AS 159-3 3017754230 DOOR R URT AS FRS-662F GASKET H/BAR A AS 159-4 3012314300...
  • Page 61 EXPLODED VIEW 7-2. MSZ 701 NF (T) / MSZ 702 NF (T) CABINET...
  • Page 62 EXPLODED VIEW MECH ROOM...
  • Page 63 EXPLODED VIEW R-Room...
  • Page 64 EXPLODED VIEW F ROOM Eva Assy...
  • Page 65 EXPLODED VIEW F-Door...
  • Page 66 EXPLODED VIEW R-Door...
  • Page 67 ※ MSZ 701 NF (T)/MSZ 702 NF (T) Parts List Part Code Q’ty Part Name Description Remark ASSY CAB URT FRS-551F (DSG1E) 3000003620 HINGE *T *R AS PO T3.0 3012917620 3012918520 HINGE *T *L AS PO T3.0 3012013000 FIXTURE *T HI PP M6X19 7051401065 SCREW MACHINE...
  • Page 68 Part Code Part Name Q’ty Description Remark 7142401611 SCREW TAPPING T2 RS 4 x 16 MFZN BASE COMP AS FR-S580DGB(Handle) 3010326701 3016003300 SPECIAL BOLT T2 M6.5X20 CORD POWER AS AC 250V 16A(VDE) European 2Pin 3011344221 7112401211 SCREW TAPPING T1 TRS 4X12 MFZN SCREW MACHINE PAN 4X10VSW BSNI 7051401065...
  • Page 69 Part Code Part Name Q’ty Description Remark 3017905300 SOCKET R LAMP AS 250V/1A 7121300811 SCREW TAPPING T2S PAN 3X8 LAMP R A 240V 25W(GENERAL) 3013602030 3015507900 WINDOW R LAMP A MIPS 3016002720 SPECIAL CAP SCREW 4X12 3017827300 SHELF R AS FRAME+NUDE LASS+FIXTURE GUIDE CASE A *L AS 3012514500...
  • Page 70 Part Code Part Name Q’ty Description Remark 3011834500 ABS ￠130 3018914910 LOUVER F D AS 3014805300 SENSOR F AS PT-38 3018914700 LOUVER F B AS FR-S580CG 3018914630 LOUVER F A AS FR-S580CG 7142401611 SCREW TAPPING T2 TRS 4X16 MFZN 3010924600 CAP F LOUVER HIPS 3011473010...
  • Page 71 Part Code Q’ty Remark Part Name Description 3015309910 SUPPORTER HNDL *T ABS + Cr SCREW MACHINE M5X16 7002501611 3012631840 HANDLE BAR AS FRS-662F SCREW MACHINE M5X16 7002501611 3017905500 SOCKET DISPNS LAMP AS 250V 1A LAMP AS AC240V 15W 3013600020 3011498310RWH3L COVER DISPNS BOX AS FRS-662F MSZ 701...
  • Page 72 Part Code Q’ty Remark Part Name Description 3014805200 SENSOR D AS PBN-43 30170507 EVA AS FRS-581BEE8C 3017201400 FUSE TEMP AS AC 250V 10A 77℃ 3012811500 HEATER D AS 220V 140W...

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