Helmer QuickThaw DH4 Operation-Service-Maintenance Download Page 1

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1-360008/G

PLASMA THAWING SYSTEM

MODELS DH4 and DH8

VERSION K

Operation – Service - Maintenance

HELMER LABS, INC. 15425 HERRIMAN BLVD., NOBLESVILLE, IN 46060 USA

PHONE (317) 773-9073 FAX (317) 773-9082

USA and CANADA

1-800-743-5637

Contents

PAGE

Installation

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Summary of Contents for QuickThaw DH4

Page 1: ...NG SYSTEM MODELS DH4 and DH8 VERSION K Operation Service Maintenance HELMER LABS INC 15425 HERRIMAN BLVD NOBLESVILLE IN 46060 USA PHONE 317 773 9073 FAX 317 773 9082 USA and CANADA 1 800 743 5637 Cont...

Page 2: ...r Cover I Error Codes Quality Control 18 A Calibration of the Temperature Controller B Alarm System Test Suggested Cleaning Procedure 20 Recommended Periodic Maintenance 21 Troubleshooting 22 Parts Li...

Page 3: ...r is clean of any packaging debris and fill the chamber bath with distilled or deionized water until the water reaches the desired Fill Line There are two Fill Lines stamped in the center of the chamb...

Page 4: ...the General Operation section Caution The technical complexities of the basket assembly lift out system require special handling and operational guidelines by the user Failure to follow the operationa...

Page 5: ...____ C ____ 7 High alarm system check Signature________________________________Title____________________________ Department___________________________________________Date_______________ Controls and C...

Page 6: ...rough each preprogrammed time setting If you wish to extend a thawing cycle that is in progress press this button the digital timer display will read HL and the thawing cycle will continue indefinitel...

Page 7: ...een the two Time Set Buttons on the main control panel When the MUTE button is pressed the Cycle Time Indicators will flash on and off The High Alarm Indicator light will remain on until the alarm con...

Page 8: ...the drain valve plug If you are draining the chamber water to the right side of the unit contact Helmer and request a U Fitting Assembly The U Fitting Assembly will allow for the drain tubing to run...

Page 9: ...ycle Press the Start Stop Button to begin the thawing cycle The basket assembly will automatically lower into the chamber bath and begin agitating The Cycle Time Indicator s will begin to count down t...

Page 10: ...1 360008 G 9 but will result in progressively slower thawing cycles if the bath water is not allowed to return to the set operating temperature...

Page 11: ...1 360008 G 10...

Page 12: ...alue 1 Operating Set Temp Press SET key Chamber Set Temperature 36 5 2 Operations Menu Press UP and DOWN keys together for 3 seconds Auto tune Low Alarm Deviation High Alarm Deviation Aut ALO Ah1 no O...

Page 13: ...be ALO If the Aut prompt appears the controller programs are fully unlocked If the CnFg prompt appears the controller programs are fully lockout 2 Press the up or down arrow until the CnFg prompt appe...

Page 14: ...t You are now at the program display for the Set Point Lockout 5 Press and hold the SET key to display the current input value of the Set Point program either YES or no will be displayed The YES promp...

Page 15: ...1 360008 G 14...

Page 16: ...m Programs To alter the Low and or High Alarm settings 1 Press and hold the Up and Down arrow keys until a controller program is displayed If the CnFg prompt appears the Controller Program Lockout wil...

Page 17: ...y This will allow the drain tubing to be easily run to the right side of the unit G Plasma Overwraps Included with the unit is a dispenser box of 250 Helmer Plasma Overwraps The disposable Plasma Over...

Page 18: ...respective problems Refer to the Troubleshooting section of the manual for further information on resolving problems that occur Control Panel Error Code Problem E1 The water temperature has exceeded t...

Page 19: ...ow key until the PId Menu prompt appears 3 While pressing the SET key in the digital readout will display no press the Down arrow key to display yes and then release the SET key 4 Press the Up arrow o...

Page 20: ...setting whereupon the visual and audible alarms should activate the basket assemblies should lift out of the chamber and the digital agitation timers should blink E1 4 After conducting this high alarm...

Page 21: ...o be removed for cleaning when necessary 4 Using a soft cloth or sponge and a solution of distilled or deionized water with bath cleaner inhibitor thoroughly clean the chamber bath walls and basket as...

Page 22: ...duty oil not grease on your finger and rubbing the oil up and down the rail Apply the thin coat of lubrication to each of the 4 sides on both lift out rails Troubleshooting Main Power Problem Possibl...

Page 23: ...ater Verify voltage to heater Replace heater as needed Faulty circuit board Verify voltage to heater Replace circuit board as needed Faulty RTD sensor Verify sensor is adhered to chamber Verify connec...

Page 24: ...rm not activating at high alarm setting Incorrect alarm function value Verify that the desired high alarm temperature value is correctly inputted into the controller Refer to Setting the High Alarm Ca...

Page 25: ...ler wheel is loose Verify that the roller wheel is tight to the shaft of the lift out motor Tighten the roller wheel set screw Faulty connection Verify wiring connections from the circuit board to the...

Page 26: ...Switches not in ON position Switch to ON position Faulty connections Verify that connections from the circuit board to the agitator motor assembly Loose cam wheel Verify that the cam wheel is securel...

Page 27: ...assembly Verify that the finger screw on the top of the basket assembly is tight Basket assembly bearing Verify that the plastic roller bearings at the bottom of the basket assembly are operating pro...

Page 28: ...t Button is pressed Push button not activating Verify Time Set Button activates when pressed replace as needed Verify that the circuit board is securely mounted to the chassis studs Faulty circuit boa...

Page 29: ...itation motor 400257 115v 400258 230v 400257 100v Agitation motor gearbox 220231 Agitation motor capacitor 120047 115v 120301 230v 120047 100v Agitation cam wheel 1 320508 Agitation roller bearing blo...

Page 30: ...1 360008 G 29...

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