Hoshizaki DBF-AS65WE-EU Скачать руководство пользователя страница 53 | Manualshive

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11. CONTROLLER BOARD REPLACEMENT

(1) CONTROLLER BOARD

1)  Turn off the power supply.
2)  Remove the top cover.
3)  Remove the control box. Turn it over, and remove the cover.
4)  Disconnect the controller board wiring.
5)  To replace, reverse the above procedure.

Controller Board

Control Box

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Содержание DBF-AS65WE-EU

Страница 1: ...DBF AS65WE EU B078 1102 093020 SERVICE MANUAL AUTOMATIC DRAFT BEER DISPENSER...

Страница 2: ...1 BEER IS NOT COLD 2 NO BEER IS DISPENSED 3 BEER WILL NOT STOP 4 BEER TAP KEEPS DRIPPING BEER 5 UNDERFOAMING 6 OVERFOAMING 7 LARGE BUBBLES 8 BEER TASTES STRANGE WATERY 9 CYLINDER RUNS OUT OF GAS EASI...

Страница 3: ...LAMP LIGHTS UP NO BEER REMAINS IN KEG BUT SOLD OUT LAMP WILL NOT LIGHT UP 27 ADJUSTMENT OF PLATFORM AND REED SWITCH FOR MUG SIZE DETECTION 10 PARTS REPLACEMENT 45 49 11 CONTROLLER BOARD REPLACEMENT 5...

Страница 4: ...lectric shocks 3 If the unit must be energized for inspection of the electric circuit use rubber gloves to avoid contact with any live parts resulting in electric shocks 4 Keep the following in mind w...

Страница 5: ...ing closed end connectors or the like with their closed ends up to avoid entrance of moisture that could lead to electric leaks or fire 6 After servicing always use a megohmmeter 500V DC to check for...

Страница 6: ...hes refrigerant out 2 The condenser exchanges heat 3 The temperature of the evaporator decreases to freeze water in the cooling water tank 4 Beer is chilled by going through the beer coil inside the c...

Страница 7: ...adjusted 5 The beer amount is easily adjustable by the front operation panel 6 Manual dispensing option by beer tap operation is also available 7 The unit is all driven by electric motors not by air...

Страница 8: ...5 3 DIMENSIONS SPECIFICATIONS 1 DIMENSIONS SPECIFICATIONS...

Страница 9: ...2L 10 2L 1 4L Standby Time Standby Time Standby Standby Time Standby Time 2 DISPENSING PERFORMANCE Power supply 220 240V 50Hz Ambient keg temp 30 C Gas pressure 0 35MPa Load Four 20L beer kegs Mug 43...

Страница 10: ...rations until the power supply is turned off The condenser fan motor runs intermittently at low ambient temperatures see c Condenser fan motor low temperature control for details Timing chart 2 Insuff...

Страница 11: ...n motor stops to raise the condenser temperature to prevent refrigerant liquefaction 2 The condenser fan motor restarts when the condenser outlet temperature reaches 50 C or 10 minutes have passed sin...

Страница 12: ...topped 3 The above process is repeated until the condenser fan motor is unlocked Even when the condenser outlet temperature reaches 75 C only the compressor stops and the condenser fan motor output st...

Страница 13: ...ispense lamp flashes rapidly Press and hold Used to make user settings U__ on display Set Lamp Lights up when the dispenser is in the setting mode Display Indicates number of mugs and so on Ready mode...

Страница 14: ...8 larger mugs 8 Reset number of mugs Resume automatic dispensing 9 Operation ends halfway through 3rd keg display 7 smaller mugs 5 larger mugs 10 Clean in flush mode Administrator Initial setting 1 Se...

Страница 15: ...logs press and hold the stop button for 3 seconds This reset is not counted for U04 1 0 Up to 5 logs U03 Number of flush cycles Number of flush cycles performed A flush cycle consists of liquid butto...

Страница 16: ...and press the dispense button 0 0 to 1 U09 Mug tilting operation 0 Yes mug is tilted while beer is being dispensed 1 No mug is kept upright while beer is being dispensed 0 0 to 1 U10 Reset number of...

Страница 17: ...scending order Repeated errors are also recorded E_ _ F_ _ 20 logs C04 Operation monitor real time Digitally display ON OFF status of each input output 1 Platform in lowest position 2 Platform in high...

Страница 18: ...rage detection long real time Display electrode detected value real time C08 Ice storage detection short real time Display electrode detected value real time C50 Model setting Check model setting 1 St...

Страница 19: ...eset U08 to 0 0 0 1 A04 Display canceled dispensing operation F1 F2 F3 F4 0 Not display but recorded in error log 1 Display F1 stop button F2 manual F3 sold out F4 other Available until next dispensin...

Страница 20: ...eer tap slider to any position without removing the motor Not used in normal operation A03 Normally the self mode is reset by lifting up the operation panel unit If it cannot be moved use A03 to reset...

Страница 21: ...Auto manual switching XA connector 5P Operation board communication XA connector 5P Operation power supply VH connector 7P Pressure sensor liquid temp thermistor XA connector 15P 12V DC power supply V...

Страница 22: ...Beer tap Open Liquid Stop Open Foam Up Down Beer connected Motor Forward Stop Reverse Motor Lamp Button Operation panel Platform Sold Not available Dispense foam Dispense liquid Automatically dispense...

Страница 23: ...Flush lamp Dispense button Flush button Liquid button Foam button Stop button Mug position No operation No operation Beer tap Open Liquid Stop Up Down Motor Forward Stop Reverse Motor Lamp Button Oper...

Страница 24: ...21 6 WIRING DIAGRAM...

Страница 25: ...CIRCUIT Cooling Tank Tapered Rubber O ring Hose Clamp Coil Hose Joint Quick Joint Sensor Pipe O ring G1 2 Beer Tap Beer Coil Ice Quick Joint Heat Exchange Capillary Tube Compressor Drier Condenser Co...

Страница 26: ...row Yes Failure to detect platform s lowest position Check for microswitch failure E40 Pressure sensor error Yes Yes Abnormal pressure level Short or open circuit of wires sensor malfunction E41 Abno...

Страница 27: ...out of overflow pipe on unit front 11 Beer tap joint leaks beer 12 Unit leaks water Electrical 13 Abnormal noise Unplug the unit immediately 14 Burning smell Unplug the unit immediately 15 After unit...

Страница 28: ...wn but dispense button will not light up with OFF displayed 26 Beer remains in keg but sold out lamp lights up No beer remains in keg but sold out lamp will not light up 27 Adjustment of platform and...

Страница 29: ...ntil water starts leaking from overflow pipe 1 7 1 Replace contaminated cooling water If electrode is browned blackened or dirty polish electrode do not change its location 1 7 2 Repair 1 7 3 Replace...

Страница 30: ...ease But after beer is dispensed and ice melts normal ice storage volume is resumed in the following freeze cycle Even when ice storage volume decreases beer dispensing capacity meets specifications 2...

Страница 31: ...3 No CO2 gas in beer keg 3 1 Empty CO2 gas cylinder 3 2 Closed main valve of CO2 gas cylinder 3 3 Closed keg coupler handle 3 1 Replace CO2 gas cylinder 3 2 Open main valve of CO2 gas cylinder 3 3 Ope...

Страница 32: ...edge of lever insert hole in valve shaft sliding part 4 2 Remove lever from beer tap to polish spherical bearing 5 CO2 gas pressure too low 5 Adjust CO2 gas pressure to proper level 5 Underfoaming Po...

Страница 33: ...uid nozzle Coarse foam is generated when liquid is dispensed 4 Adjust platform position to prevent foam in mug from touching liquid nozzle 5 Foaming set to start at low liquid level Coarse foam is gen...

Страница 34: ...mes in from tap lever bottom 4 2 Air comes in from valve shaft sliding part 4 1 Securely tighten union nut at tap lever bottom Replace gasket 4 2 Beer tap is damaged by valve shaft burrs Deburr valve...

Страница 35: ...er mixed with beer comes out of overflow pipe on unit front Possible Cause Remedy 1 Beer leaking from joint nut on beer coil connected to tap mounting shaft inside cooling water tank 1 Check for damag...

Страница 36: ...every 3 5 minutes Condenser fan motor is running but beer is not cold Possible Cause Remedy 1 Defective compressor 1 If compressor is locked replace 2 Overload relay tripped by voltage drop 2 Do not...

Страница 37: ...troller board Also keep things that produce static electricity e g vinyl bag or plastic product away from the controller board 3 Do not touch the electronic devices on the controller board or the back...

Страница 38: ...ical 19 Thermistor service diagnosis When the thermistor has a trouble the display shows the error code E51 See 8 ERROR DIAGNOSIS 0 100 200 300 400 500 40 20 0 20 40 60 80 100 C R k E51 Displayed E51...

Страница 39: ...on the operation panel See 8 ERROR DIAGNOSIS After checking turn on the power supply and turn it back on 2 For double tap models if one side goes wrong operation can be checked by replacing the left a...

Страница 40: ...Disassemble beer tap and fit seal gasket to valve shaft Beer tap sliding failure clean even if it slides normally Beer tap seized Disassemble and clean beer tap See instruction manual Manually check b...

Страница 41: ...ing amount for upper and lower platforms on left and right respectively Regulator setting has been changed Little foam No foam Check foam holes in valve shaft for clogging Clean if clogged See 12 DISA...

Страница 42: ...peration board connectors disconnected or open circuit Operation board defective Replace Defective upper microswitch Jammed mug Platform will not go up or goes down without dispensing beer Display sho...

Страница 43: ...tap removed Attach beer tap Beer tap seized Clean beer tap Beer tap slider sheet metal jammed Magnet out of white part on beer tap slider Sensor board defective E31 Descending platform error Platform...

Страница 44: ...the power supply is turned on the beer tap center position is corrected Be sure to turn off the power supply before servicing the unit When the beer tap slider is too heavy to move remove the gear mo...

Страница 45: ...and jammed the beer tap lever preventing the operation panel unit from going down This is the same case as 24 Operation panel unit will not go down completely See 24 Operation panel unit will not go...

Страница 46: ...hen sold out lamp lights up dispense lamp does not light up unless foam button is pressed When a keg is replaced press foam button to lead beer to tap Press and hold foam button until gas is purged ou...

Страница 47: ...5 Upper 220 11 Lower 225 Upper 230 12 Lower 235 Upper 240 Note 1 Mug diameter 50 mm inside diameter to 105 mm outside diameter and bottom diameter 2 The larger mug must be at least 20 mm higher than t...

Страница 48: ...en rebinding wiring keep wiring away from the fan and piping Do not damage piping to avoid CO2 gas leak from the refrigerant pipe connections Before welding the evaporator fill the water tank with wat...

Страница 49: ...er to I 5 c PLATFORM ADJUSTMENT To disassemble operation panel unit see 11 CONTROLLER BOARD REPLACEMENT Gear Motor To move beer tap Reed Switch Operation Board Flexible Cable Sensor Board Pinion Rack...

Страница 50: ...horizontal distance from water tank interior wall to long electrode end See table for L L Evaporator Bracket Electrode Water Tank To remove rear panel Unscrew slide down and unhook Note Do not bend by...

Страница 51: ...Condenser Fan Motor Rear Condenser Thermistor Between condenser and drier Relay Box Relay Switching Regulator Capacitor Cover Earth Tightened together For control box thermistor For power supply For...

Страница 52: ...be and compressor Do not pinch the thermistor leads between the exterior and base To replace 1 Use a cable tie to fix the thermistor then wrap two turns of 25 mm x 70 mm aluminum foil tape tightly aro...

Страница 53: ...CONTROLLER BOARD 1 Turn off the power supply 2 Remove the top cover 3 Remove the control box Turn it over and remove the cover 4 Disconnect the controller board wiring 5 To replace reverse the above p...

Страница 54: ...oard off the operation panel tabs 4 To replace reverse the above procedure Note Be sure to connect the flexible cable in the proper direction see the picture below After connecting the flexible cable...

Страница 55: ...to damage the flexible cable 6 To replace reverse the above procedure See the instructions of 4 FLEXIBLE CABLE 4 FLEXIBLE CABLE To remove 1 Pull the flexible cable connector in the direction perpendi...

Страница 56: ...53 To route Flexible Cable Sensor Board Magnet Holder Ribbon Cord Holder Operation Board Magnet Magnet Holder Ribbon Cord Holder Flexible Cable Notched Side...

Страница 57: ...e operation panel unit be careful not to get the flexible cable caught under the cover Connect the flexible cable with the blue tape facing the front Adjust the location of the ribbon cord holder to k...

Страница 58: ...river 3 Flat blade screwdriver 7 mm wide thick or less Preferably 4 mm wide thick 4 Pliers 5 Braided hose or commercial gas hose slit vertically To prevent slipping and damage 6 Seal tape 7 O ring 1AS...

Страница 59: ...seal tape Put a Phillips screwdriver into the hole in the cylinder B While fixing the adjustable wrench turn the screwdriver in the arrow direction to loosen the screw of the cylinder B The foam hole...

Страница 60: ...larger diameter part of the shaft A with a braided hose 6 Use pliers to hold the shaft A where covered by the braided hose Use an adjustable wrench to securely hold and turn the seal nut A in the arro...

Страница 61: ...e because it can deform easily 8 Use pliers to hold the shaft A where covered by the braided hose Use a flat blade screwdriver to turn the tip of the cylinder head and remove it There is no need to re...

Страница 62: ...he seat B back into the cylinder B be careful not to damage the seat B Cleaning 1 Use the accessory brush or something soft water and a neutral detergent for cleaning 2 For normal cleaning do not remo...

Страница 63: ...bove 300 S cm Excessive ice may build up on evaporator and freeze beer inside beer coil preventing beer from being dispensed properly How to make cooling water with 100 300 S cm of E C The capacity of...

Страница 64: ...not fill the water tank above the water level line or the drain pan will overflow and spill water 1 Remove the top cover 2 Pour the bucket approx 10 L of cooling water prepared 3 Fill the water tank u...

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