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7755 S Research Dr., Suite 105, Tempe, AZ 85284 

 

 

 

   

 

20 

 

VIII. Display Control Panel Replacement [Part # 04808-02] 

A. How to Remove the Display Control Panel 

1. 

Remove the Display Control Panel 

a) 

Remove the top cover (See 

How to Remove the Top Cover Section III A

). 

b) 

Turn the cover over and remove the four screws holding ribbon cable 

 

 

Figure 13 - Remove Screws 

 

c) 

Press the four tabs (two on each side of the display) on the side of the display and press the 

 

display out of the cover. 

 

 

 
 
 
 
 

Tabs 

Содержание SCA1200ht

Страница 1: ...1 Repair Manual Oryx Additive Inc 7755 S Research Drive Ste 120 Tempe AZ 85284 1 833 817 3533 www OryxAdditive com info OryxAdditive com support OryxAdditive com Rev 2 9 June 23 2022...

Страница 2: ...09 01 17 A HOW TO REPLACE THE NOZZLE 17 VII HEATER ASSEMBLY REPLACEMENT PART 04805 01 18 A HOW TO REMOVE THE HEATER ASSEMBLY 18 B HOW TO INSTALL THE HEATER ASSEMBLY 19 VIII DISPLAY CONTROL PANEL REPLA...

Страница 3: ...OUBLESHOOTING 33 C THERMAL CUTOFF SWITCH TCO TROUBLESHOOTING 35 D TEMPERATURE SENSOR TROUBLESHOOTING 36 E WATER LEVEL SENSOR TROUBLESHOOTING 37 F NO POWER TO SCA TROUBLESHOOTING 38 G NO POWER TO DISPL...

Страница 4: ...o service the SCA Power off and disconnect the SCA from the main power Allow the SCA to cool completely Attach a hose to the front valve and drain the tank completely Always disconnect the SCA from th...

Страница 5: ...pushed all the way into the receptacle on the system and is securely connected to a grounded wall socket F2 Fuse is blown With power disconnected check fuse F2 2A 250V on the PCB It may be visibly bl...

Страница 6: ...press the button If the time being displayed is 00 00 then add time and start the system as described in the User Manual Pump or transformer is defective See Pump and Transformer Troubleshooting Sect...

Страница 7: ...uickly the solution does not fill or empty out fast enough to maintain even water level throughout the tank This causes a temporary high or low water level condition The alarm will silence once the wa...

Страница 8: ...ting no errors pump is circulating 15A 250V F1 Fuse is blown See How to Replace the F1 15A 250V Fuse Section XI A Heater elements have failed See Heating Element Troubleshooting Section XII B Thermal...

Страница 9: ...of cleaning agent If using Eco Works try switching to Waterworks Both are sold by Stratasys resellers Waterworks is a more efficient cleaning concentrate Power cord gets very hot PEM is defective Old...

Страница 10: ...er a With the SCA unplugged remove the plugs from the top cover b Remove the six M5 screws holding the top cover Figure 1 Removing Plugs and Screws c Carefully lift the cover from the SCA and disconne...

Страница 11: ...11 B How to Remove the Back Panel 1 Remove the Back Panel a With the SCA unplugged remove the two M5 screws holding the back panel b Pull down on the back panel and remove Figure 3 Remove Back Panel...

Страница 12: ...el Section III B c Disconnect the motor connector from the PCB Assembly Figure 4 PCB Assembly d Remove the screw holding the motor ground wire e Gently pull the motor wires through the bridge Figure 5...

Страница 13: ...assembly by the motor and carefully guide the pump assembly through the hole in the bridge and remove NOTE The tray gasket may cause the pump assembly to stick to the bridge If this happens loosen the...

Страница 14: ...ound wire from the motor to the bracket d Plug in the connector from the motor to the PCB e Plug in the three sensors to the appropriate connectors on the Connector PCB f Slide the back panel back ont...

Страница 15: ...the Top Cover Section III A b Unplug the three connectors from the sensors that attached to the Connector PCB c Remove the four M5 screws holding the Sensor Assembly Figure 7 Top View of SCA with Top...

Страница 16: ...Mount the Sensor Assembly using the four M5 screws c Plug in the three sensors to the appropriate connectors on the Connector PCB d Plug the ribbon cable from the display back into the Connector PCB...

Страница 17: ...le nozzles included and are not compatible with the older threaded nozzles To remove the older threaded style nozzles simply rotate counterclockwise Rotate clockwise to screw the nozzle back on Ensure...

Страница 18: ...How to Remove the Back Panel Section III B SHOCK HAZARD PLEASE ENSURE POWER PLUG IS REMOVED FROM THE SCA c Unplug the heater s three connectors from the PCB Assembly Figure 10 PCB Assembly d Gently p...

Страница 19: ...t the Heater Assembly to the Bridge using the four M5 mounting screws and attach the ground wires to the tray c Thread the heater wires through the Bridge d Connect the three heater wire connectors fr...

Страница 20: ...Display Control Panel a Remove the top cover See How to Remove the Top Cover Section III A b Turn the cover over and remove the four screws holding ribbon cable Figure 13 Remove Screws c Press the fo...

Страница 21: ...roceed to press the display into the top cover The display should snap into place c Place the ribbon cable between the posts on the inside of the cover d Place the two supports over the posts and moun...

Страница 22: ...wires connected to the PCB c Remove all the wires connected to the PCB be careful not to rip off a wire label d Remove the six screws that hold the PCB in place Figure 14 Remove Screws and Remove PCB...

Страница 23: ...the board Make sure not to damage any wires as you place the board Make sure no wires get behind the board as you place it b Mount the circuit board with the six screws c Connect the wires to their pr...

Страница 24: ...ire to top tab labeled AC L Do not plug them in reverse Figure 16 Press on Tabs on Back of Switch c Press the four tabs on the top and bottom of the switch and press the switch out of the case Figure...

Страница 25: ...n III B b Older models will have a plastic fuse holder See Figure 18 NOTE This PCB style has been recalled Call Oryx Additive to have this board replaced c Newer models will have a clip that holds thi...

Страница 26: ...04802 01 1 Replace the 2 Amp Fuse a Remove back panel See Removing the Back Panel Section III B b Pull the 2 amp fuse out of clips Figure 20 Fuse Location c Press the new fuse into the clips Figure 2...

Страница 27: ...Remove and inspect the nozzle and the pump input screen for any kind of buildup See Spray Nozzle Replacement Section VI The input screen is found at the bottom of the pump intake It is a round screen...

Страница 28: ...CA and remove Back Panel See Removing the Back Panel Section III B d Visually inspect the start capacitor for any damage A defective capacitor can leak electrolyte which can be visibly apparent 2 Meas...

Страница 29: ...the black wires on the transformer cable connector i Should see 8 5 d If the red or black wire values are extremely different from the indicated values or are open or shorted the transformer is defect...

Страница 30: ...otor shaft should easily rotate with a simple rolling of a finger across it Rotate the shaft of the pump motor counterclockwise If the pump starts up the start cap is probably defective The pump motor...

Страница 31: ...or is initially at infinite ohms open after shorting the leads the capacitor is probably defective 6 Test the Input Voltage to the Pump Motor a With the power off unplug the motor connector from the P...

Страница 32: ...joints See Figure 28 When the motor is enabled the control signal transitions from a low 0V DC to a high 12V DC c If there is 0V DC when the motor is enabled reseat connector J3 on the Connector boar...

Страница 33: ...Replacement Section XI A c Remove the top cover See Removing the Top Cover Section III A d Check the resistance of the Heating Element See Figure 29 i On 110V AC US Systems HN H L1 11 ii On 230V AC EU...

Страница 34: ...still 0V DC when the start button is pressed replace the control panel d If there is 12V DC between pins 2 and 7 on J2 when the start button is pressed and there is no voltage across heating elements...

Страница 35: ...80 C and press the red reset button between the wire terminals Steps 1 Check the continuity of the Thermal Cutoff switch a With the power off remove the connectors on the Thermal Cutoff Switch at the...

Страница 36: ...water As the temperature increases the resistance of the sensor decreases Steps 1 Ohm out the Temperature Sensor a Ohm out the Temperature Sensor across both wires See Figure 32 i Water at room temper...

Страница 37: ...ction V b Visually inspect the float assembly If there is a buildup on the shaft that inhibits the free up and down motion of the float clean off the shaft A scrub pad can be used to remove any buildu...

Страница 38: ...cord c Measure the voltage coming out of the power entry module PEM i With the power cord unplugged remove AC L and AC N from the PCB and attach the multimeter leads between AC L and AC N connectors P...

Страница 39: ...p and transformer connectors from the PCB Replace the fuse i Power up the SCA If the fuse blows again with the pump and transformer unplugged replace the PCB Troubleshoot the transformer to ensure it...

Страница 40: ...y The display requires 12 VDC from the PCB to operate The display controller performs all error checks Steps 1 Reseat cable connectors J1 J2 and J3 a Remove the top display cover and back cover See Re...

Страница 41: ...solder joints There should be between 9V and 15V DC usually around 12 or 13 V DC See Figure 36 Figure 36 Display Control Voltage J2 c If there is no voltage at these points remove the J1 cable on the...

Страница 42: ...ure by more than 5 degrees Celsius This can be caused by an exothermic reaction to soluble cleaning solutions Let tank return to set temperature Error will not reset until SCA is powered down See Ther...

Страница 43: ...43 B Schematics Power Circuit...

Страница 44: ...44 Heating Elements Driver Buzzer Circuit...

Страница 45: ...45 Pump Motor Driver Red Black...

Страница 46: ...46 Main board and Connector board to panel connection diagram...

Страница 47: ...47 C PCB Layout PCB Printed Circuit Board...

Страница 48: ...ion input No Fault Fault 4 Heating tube control signal input Heater Enable Off Heater Enable On 5 Pump Motor failure detection input No Fault Fault 6 Pump Motor failure detection input No Fault Fault...

Страница 49: ...zzer On 4 Pump Motor control signal output Pump Enable Off Pump Enable On 5 Pump Motor failure detection input No Fault Fault 6 Pump Motor failure detection input No Fault Fault 7 Heating tube control...

Страница 50: ...nd 220V recognition detection input 110VAC 6 Heater Malfunction Sensing No Fault Fault 7 Heater Malfunction Sensing No Fault Fault 8 Heater Control Heater Enable Off Heater Enable On 9 Pump Motor Malf...

Страница 51: ...mmonly Used Parts Part Description Part Number Image Pump Motor Assembly 04803 01 Power Entry Module PEM 04813 01 Heater Assembly 04805 01 Sensor Assembly 04810 01 Thermal Cutoff Switch TCO 100503 Thr...

Страница 52: ...yonet Nozzle 04809 01 Rev B Transformer SCA 1200ES E017 Start Capacitor SCA_1200ES_E014 Printed Circuit Board PCB 04807 01 Display Controller 04808 02 F1 15A 250V Fuse 04815 01 F2 2 amp 250V Fuse 0480...

Страница 53: ...53 115VAC Power Cord US 04811 01 220VAC Power Cord EU 04811 02...

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