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Panasonic NC-HU301P, Service Manual

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Panasonic NC-HU301P Service Manual Download Page 8

— 8 —

NC-HU301P, NC-HU401P

3.4 Check points

3.4.1. Picture is the case of 3.0L

To peg frame

Electric pump

Turn the power on press 
the Lock/Unlock key for 
unlocking, for unlocking, 
press the Pour Out key to 
on, and confirm the motor
rotating sound.

Red

White

Blue

Orange

Red

Red

Red

Thermal fuse (Completed)

(Between 

-

 : 0 

Ω

)

Boiling heater

(Between 

-

 • Orange 

Approx.58 

Ω

)

Keep warm heater

(Between 

-

 • 

Orange Approx.432 

Ω

)

Lead wire E

(Completed)

(0 

Ω

)

Thermistor (Completed)

Approx. 20°C

Approx 45k 

Ω

Blue

1

3

2

3

5

1

2

3

4

4

5

Summary of Contents for NC-HU301P

Page 1: ...or Can rotate 360 with the power cord 157 C Approx 1 m Electric pump Push switch 3 minutes 1 5W DC commulator motor Electronic lock system Locked in 10 sec after switching Dispense 54ml sec Constant Boiling Relay Thyristor Warming Thyristor Rotating base Thermal fuse Power cord Hot water supply device specifications Hot water supply method Current volume adjustment range Operation method Pump lock...

Page 2: ...s are described as follows Below symbols are examples After the repair replace the original wiring layout Otherwise the lead wires may contact any rotating parts or adjacent components causing failure electric shock or fire Be careful to avoid electric shock Disconnect power plug while repairing Caution for electric shock During repair service with power on such as for voltage measurement be caref...

Page 3: ...l mark Liquid crystal display Guage Cover Rotating base 360 degrees When rotating the pot do not allow the cord to wind around the unit Water out pipe cover Red ball Water level indica tor cannot be seen when water level is above the guage cover Plug complete Power plug Cord Body plug Diamond fluorine charcoal Boiling The container fine particle of diamond and ground charcoal are mixed into fluori...

Page 4: ...e Keep Warm at 98 LCD monitor will be changed to 98 from 90 in approx 3 min If choose Keep Warm at 98 LCD monitor will be changed to 98 from 80 in approx 3 min Temperature in LCD monitor changes in the sequence of 100 98 90 85 3 Display of temperature and battery charge sign in LCD monitor while cordless operation Involves approx 10 C difference Below display is the case 4 Required time to change ...

Page 5: ...art to boil water LCD monitor will display as picture below 2 Buzzer sounds 4 times after approx 7 minutes and 98 Keep Warm will lights on LCD monitor will display as picture below Cordless Dispense Cordless Dispense Cleaning Energy Saving Timer Long Boil Reboil Lock Unlock Select VIP Keep warm Healthy Tea 4 Speed Dispenser temp Cleaning Energy Saving Timer Long Boil Reboil Lock Unlock Select VIP ...

Page 6: ...arge sign is displayed 5 Press LOCK UNLOCK pad 6 Press Dispenser pad Operating detail 1 If press Dispenser pad and then Dispenser pad water will be poured out from Dispensing Spout 3 2 Relation of battery charging sing and possible water pouring volume Reference only Common for 3L and 4L types LCD display charging sign Possible water pouring volume Indicative Level 3 2000 to 3000ml 3 0L 3000 to 38...

Page 7: ...3 Relation of elapsed time and possible water pouring volume Reference only After 1h 3 0L hour 4 25h 7h 9 75hr After 1h 4 25h 7h 9 75hr 4 0 L hour Possible continuous pouring volume when changed to cordless from Warm Keep State ...

Page 8: ...for unlocking for unlocking press the Pour Out key to on and confirm the motor rotating sound Red White Blue Orange Red Red Red Thermal fuse Completed Between 0Ω Boiling heater Between Orange Approx 58 Ω Keep warm heater Between Orange Approx 432 Ω Lead wire E Completed 0 Ω Thermistor Completed Approx 20 C Approx 45k Ω Blue 1 3 2 3 5 1 2 3 4 4 5 ...

Page 9: ... ass y D Lead wire D Series SU1 HU1 MU1 HU1P HK HU1P TWN HU2 MU2 HU1P USA Model SU221 SU301 SU401 HU301P HU401P HU301P HU401P HU222 HU302 MU402 HU301P HU401P Orange Black White Blue Red Black White Yellow Blue Red White Black White Blue Thermistor ass y Lead wire M Series SU1 HU1 MU1 HU1P HK HU1P TWN HU2 MU2 HU1P USA Model SU221 SU301 SU401 HU301P HU401P HU301P HU401P HU222 HU302 MU402 HU301P HU40...

Page 10: ... s n i r e t a w e r e h t s I Long Boil Reboil pad n o i t c A d o h t e m c i t s o n g a i D k c e h C Themistor assy comp Is there connection between blue lead wire and blue lead wire Approx 45Ω when approx 20 C Replace the Thermistor assy comp B t i n u l o r t n o C e h t e c a l p e R l a m r o n e r a s t r a p e v o b a e h t n e h W comp bottom A t i n u l o r t n o C e h t e c a l p e R...

Page 11: ... a W n o i t c A d o h t e m c i t s o n g a i D k c e h C n o i t c A d o h t e m c i t s o n g a i D k c e h C Is the filter set A located at the bottom of the container clogged Clean up or replace the filter set A d o h t e m p m u p r i A n i k c e h c e R s e Y d e y a l p s i d s l e v e l 3 o t 1 f o r e h t i e n g i s e g r a h c y r e t t a b e h t s I d o h t e m p m u p r i A n i k c e...

Page 12: ... Reboil LED Lighted Boiling detection after 2 minutes Long Boil Reboiling Reboil LED Off Detection of boiling After approx 9 minutes 3 6 2 Boiling If select keep warm at 90 Power ON Boiling Long Boil Reboil LED Lighted Boiling detection after 2 minutes Long Boil Reboiling Reboil LED Off After approx 2 5 to 4 5 hours Detection of boiling After approx 9 minutes ...

Page 13: ...g detection after 2 minutes Long Boil Reboil LED OFF Press Long Boil Reboil pad 1 time Extend boiling approx 6 minutes Detection of boiling 3 6 4 Keep warm When want to reboil from 90 Keep warm Press Long Boil Reboil n o i t c e t e d g n i l i o B e m i t 1 d a p Long Boil Reboil LED Lighted Boiling detection after 2 minutes Long Boil Reboil LED OFF after approx 2 5 to 5 minutes After 3 minutes ...

Page 14: ...g automatically In this case switches to Keep warm after once boiled Measure for unwanted bacteria Initial setting of Keep warm is 90 when power on 3 6 6 Cleaning When cleaning with citric acid from the water Long Boil Reboil LED Lighted Rotating Cleaning sign lighted Keep warm LED 8 sign and sign blink at the same time When power ON Long Boil Reboil LED Lighted Press Slect pad and set to Cleaning...

Page 15: ...minutes After approx 2 5 to 4 5 hours 3 6 8 Timer Mode If 90 Keep warm 3 6 9 Setting of Long Boil Reboiling at Timer mode Heater turns off no boiling Long Boil Reboiling LED OFF Long Boil Reboiling LED Blink Starts boiling Long Boil Reboiling LED blink Press Timer pad 2 times Press Long Boil Reboiling g n i l i o b f o n o i t c e t e D e m i t e n o D E L 2 minutes after detection of boiling Long...

Page 16: ...8 Keep warm Long Boil Reboiling LED OFF Long Boil Reboiling LED OFF Long Boil Reboiling LED OFF Unused hours Come at set temperature No boiling If temperature setting of 90 or 80 it switches to Keep warm when reaches at 90 or 80 simultaneously without boiling ...

Page 17: ... hours Starts to boil and keeps warm at set temperature Display Keep warm LED ON Stand by is erased in LCD Long Boil Reboiling LED OFF Automatic Stand by 3 7 2 Features of this function Point 1 Boiling will be started automatically at the time for use based on stored pattern while this function is activated Accordingly if the power cord is connected to the socket branched from a same breaker conne...

Page 18: ... pieces of time each piece is 20 minutes and store the record of used or unused of each peace Judgment method in this unit whether used or unused is as follows Regarded as Used If the hot water is dispensed Regarded as Unused Other cases such as boiling keep warm power supply is stopped by timer function power supply is stopped by disconnection of power plug etc Storage learning of basic use patte...

Page 19: ...e pot after 8 th day Water temperature Used Used Unused Unused Used Unused Temperature falls while unused hours Keep war 98 while used hours Water feed Water feed To be able to set Automatic Keep warm 90 setting 98 or 80 Automatic stand by Power supply is saved However at least Keep warm 60 is maintained 1 Automatic temperature adjustment Main heater 30sec ON 15sec OFF 2 Switches to when reached t...

Page 20: ...ody 3 Remove 1 Tapping screw of Plug connector 4 Remove Plug connector and slide insulation sheet A comp and then orange and white lead wires from the Plug connector 5 Remove insulation sheet A comp from orange and white lead wires Caution Be careful for injuries by the end face of metal portions while reassembling replacement and assembling Wear groves while working 4x12 Tapping screw Bottom plat...

Page 21: ...1 NC HU301P NC HU401P 4 2 Body 1 Refasten binding band Refer to Fig 2 2 Remove each lead wire hook to the body while removing the body 3 Remove the body upward Refer to Fig 3 Fig 2 Fig 3 Binding band Body ...

Page 22: ...water proof cover B comp from holder A comp 3 Disconnect the lead wire of thermister comp on Control unit A comp and electric pump Refer to Fig 6 4 Take out the Control unit A comp from holder A comp Take out raising the hook A 5 Disconnect CN4 of electric pump and CN1 connector of Thermistor comp 6 Disconnect lead wire of CN2 and CN3 7 Disconnect lead wire E comp Points when working Do not stress...

Page 23: ...nsulation pipe comp toward your side holder B side make a space between pump and set bottom insulator B Bend the bottom insulation plate toward right after setting Do not make a gap between water pipe packing A Be careful for damage 4 5 Water pipe comp 1 Take out water pipe comp from casing A comp 2 Pick up the Ball A Points when working Be careful for the loss of Ball A red Water pipe comp Water ...

Page 24: ... wire E comp CN12 6 Open the hooks of Holder B and remove Control unit B comp Casing A comp Points when assembling When insert the lead wire E comp into Control unit B comp insert toward the direction shown on figure Refer to Fig 10 Casing A comp Fig 9 Fig 10 3 5x12 Bind tapping screw Holder B The face with no print Lead wire E comp Name C Control unit B comp Display portion Holder B Hook ...

Page 25: ...ellow lead wires into heater terminals maintain the initial bend angle Do not force the terminals and deform them Fig 11 1 Take out 2 screws of the Heat shield panel 2 Disconnect wires of orange blue and yellow at the center Color of leas wires is different depending on capacity 3 Remove Heat shield panel from the Container comp 4 Remove Thermal fuse from the Heat shield panel 5 Remove Holddown sp...

Page 26: ...r gasket shall be closely attached to the flange of Container without twisting or distortion Fig 13 Fig 14 4 10 Name B Display portion 1 Remove A prizing open with the minus screwdriver or pin Point when assembling Attach fixing the point A To avoid the mist over of the Crystal liquid portion press perimeter especially the part of VIP thermo pot characters strongly with fingers and stick it firmly...

Page 27: ...dle nose plier Points when working Wear gloves when disassemble the front panel to avoid dirt and for safety Point when assembling Set the 4 hooks of front panel to the slit of body and insert it pressing up by hands Wear gloves while working 7 1 g i F 6 1 g i F 4x16 Flush head Taptite screw Hooks Body Hook Front panel Body ...

Page 28: ...remove from front panel Points when assembling Set convex A on dispensing spout cover into square hole B 4 13 Gauge cover Water gauge 1 Remove A with a pointed tool sush as pin Fig 18 Dispensing spout cover Front panel A Dispensing spout cover A Front panel Front panel Gauge cover Water Gauge B Fig 19 PUSH PUSH ...

Page 29: ...the Inner lid 4 15 Lid A and lid cover comp 1 Remove the 4 screws 2 Put a thin bladed between the lid and lid cover comp 3 To separate them 4 10 Tapping Screws Stainless Inner lid Seal packing B Lid Comp Disassembly 20 Lid A Lid Cover Comp Disassembly 21 4 10 Tapping Screws Stainless ...

Page 30: ... with longnose plier Lock spring B 4 18 Insulation panel B 1 Pick up Insulation panel B Lock knob B Lock spring B Insulation panel B Fig 20 2 2 g i F 1 2 g i F 4 17 Lock knob B Lock spring B 1 Remove Lock knob B pressing toward arrow direction 2 Pick up Locking spring B ...

Page 31: ...megger Measuring point Between the 2 peg frame pins and the bottom plate Dielectric strength Shall withstand 1000 VAC for one minute Measuring point Same as for the insulation resistance test Check normal operation Conduct the pot performance test see page 3 to check if the operation is normal 4 20 Position of production date stamping Production date is stamped on the bottom plate 8 0 6 2 0 3 Exam...

Page 32: ...0ml or more without cord 4 21 3 Boiling time test 98 Keep warm setting 1 Pour rated volume of water into container and boil it 2 Measure the time after starting strong steaming until Keep warm lamp lights on Range of conformity Normal boiling time is 90 seconds or less 4 21 4 Long boil Reboil time test 98 Keep warm setting 1 Pour rated volume of water into container and go into Long boil Reboil mo...

Page 33: ...me Thermistor assy Control unit A comp Control unit B comp Main Heater 833W Keep warm Heater 112W Container comp B B B Y O B Y W O W O Code Color B Black O Orange Y Yellow W White Country Main Heater 833W 910W 910W 910W 991W 112W 122W 69W 82W 133W Keep Warm Hong Kong Thailand Vietnam RUS UKR Singapore Malaysia Taiwan USA ...

Page 34: ...D Ceramic Terminal Lead Wire K Lead Wire J Funen Ben Lead Wire H Blue Earth Wire Assy Green For Thailand Yellow spiral green Peg Frame Comp AC 220V 230V Funen Tube Lead Wire Assy A White Lead Wire Assy B Thermal fuse Indication 157 C Thermal fuse Comp Lead Wire Assy C Motor Tube Yellow Lead Wire Assy E 12 cores Pump Comp Control Unit A Control Unit B Lead Wire M Thermistor Assy Marking colur Light...

Page 35: ...9W Lead Wire Assy D Ceramic Terminal Lead Wire K Lead Wire J Funen Ben Lead Wire H Blue Earth Wire Assy Green Peg Frame Comp AC 240V Funen Tube Lead Wire Assy A White Lead Wire Assy B Thermal fuse Indication 157 C Thermal fuse Comp Lead Wire Assy C Motor Tube Yellow Lead Wire Assy E 12 cores Pump Comp Control Unit A Control Unit B Lead Wire M Thermistor Assy Marking colur Light Green Keep Warm Hea...

Page 36: ... 1 3 2 NC HU301P NC HU401P 6 Parts Location and Parts List 6 1 Development 5 6 7 8 9 10 1 15 17 18 19 20 21 22 23 24 2526 27 28 29 30 31 32 33 34 36 35 50 37 38 39 40 41 42 43 44 45 46 11 16 47 H G 10 49 48 ...

Page 37: ...4802 1 1 1 1 1 1 1 8 LOCK KNOB B COMP APB11 48030U 1 1 1 1 1 1 1 9 LID COVER COMP APB04 613 WU 1 1 1 1 1 1 1 1 10 RUBBER GASKET SET APH65 613 0S 1 1 1 1 1 1 1 10 1 PACKING A APH65 613 H1 1 1 1 1 1 1 1 11 SEAL PACKING B APH81 613 1 1 1 1 1 1 1 12 INNER LID APE07 5671 1 1 1 1 1 1 1 13 CASE A COMP APC01 61310U 1 1 1 1 1 1 APC01A628 0U 1 14 BALL A APB20 184 1 1 1 1 1 1 1 15 WATER PIPE COMP APJ01 614 G...

Page 38: ...3 W1 1 1 1 1 APB30 613 C0 1 1 APB30A628 W1 1 APB30A628 C0 1 33 NAME C APY03B628 S0 1 APY03H628 S0 1 1 1 APY03H628 N4 1 1 APY03A628 S0 1 APY03K628 S0 1 1 1 1 1 1 1 1 1 1 APY03A628 N4 1 34 CONTROL UNIT B APR31B628 S 1 APR31H628 S 1 1 1 1 1 APR31A628 S 1 35 SEAL PACKING F APH85 613 1 1 1 1 1 1 1 36 BOARD HOLDER B APB52 613 1 1 1 1 1 1 APB52A628 1 37 BODY A APB41 5714W1 1 1 1 1 APB41 5714C0 1 APB41A62...

Page 39: ... A PAN HEAD TAPPING SCREW XTN4 10CZM 7 7 7 7 7 7 7 7 B DELTITE SCREW 4x8 ANB1750J999A 3 3 3 3 3 3 3 3 C SCREW APK51 5291 1 1 1 1 1 2 1 1 D PAN HEAD TAPPING SCREW XTN4 12BFJ 2 2 2 2 2 3 2 2 E BINDING HEAD TAPPING SCREW XTB35 12BFJ 2 2 2 2 2 2 2 2 F FLUSH HEAD TAPTITE SCREW XTS4 16GUM 2 2 2 2 2 2 2 2 G TRUSS HEAD SCREW APK51 5321 1 1 1 1 1 1 1 H SLEEVE APK55H628 1 1 1 1 1 1 1 Packing REF NO PART NAM...

Page 40: ... 40 NC HU301P NC HU401P 6 3 Packing Instruction Manual Power Cord Pad A Pad B Protection Bag Pad C Inner Box Activated Carbon Case Set ...

Page 41: ... Add Activated Carbon Case Set 1 2 3 36 39 40 DETAIL REMARK Aug 2010 Revise Specifications Add List of lead wire colour Add and revise Part Name Part No and Q ty Add Russia and Ukrain model Add Russia and Ukrain model Add Russia and Ukrain model Add Russia and Ukrain model 1 2 4 1 9 37 39 Revise detail of Wiring Diagram 3 33 Detail Change Notice ...

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