Wood-mizer Accuset LT70 Safety, Operation, Maintenance & Parts Manual Download Page 43 | Manualshive

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Accuset Troubleshooting

Up/Down Control Lights

Accuset Troubleshooting

60AS-R02doc032519

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Summary of Contents for Accuset LT70

Page 1: ...ion Maintenance Parts Manual ASET for AC LT60 70 LT70 R mills rev A 03 E 06 Safety is our 1 concern Read and understand all safety information and instructions before oper ating setting up or maintaining this machine December 2002 Form 1112 ...

Page 2: ... State of California to cause cancer and birth defects or other reproductive harm x Always start and operate the engine in a well ventilated area x If in an enclosed area vent the exhaust to the outside x Do not modify or tamper with the exhaust system x Do not idle the engine except as necessary For more information go to www P65warnings ca gov WARNING Drilling sawing sanding or machining wood pr...

Page 3: ...g Reference Mode Rev B 00 Only 1 26 SECTION 2 ACCUSET TROUBLESHOOTING 2 1 2 1 Common Problems 2 1 2 2 Accuset Display Problems 2 4 Control Panel Replacement 2 4 Resetting the Accuset 2 5 2 3 Up Down Control Lights 2 8 MOSFET Panel Test DC Sawmill Only 2 10 Replacing the MOSFET Panel DC Sawmill Only 2 13 2 4 Accuracy Problems 2 15 2 5 Sensor LED Lights Rev D 02 E 02 only 2 16 SECTION 3 REPLACEMENT ...

Page 4: ...he down direction push and hold the Down button first then push the Up button Pushing the Up and Down buttons simul taneously during startup will reset the Accuset programming to factory default settings prior to Rev E 00 only In Manual Mode the up and down arrow buttons have special functions You can enter configuration menus by pushing the Up button Pushing the Down button moves the saw head to ...

Page 5: ...programmed for operation with DC powered LT60HD 70HD sawmills by default If your sawmill is DC powered skip to Startup Configuration If your sawmill is AC powered the Accuset needs to be reprogrammed Follow the instructions below Push the Up arrow button to display Configuration Menu 1 See Figure 1 2 Choose Other Settings button from Configuration Menu 1 Push the Change Lan guage button Push the O...

Page 6: ...lect Save Settings then Save Now to store the control in AC Mode Procede to Startup Configuration Rev E 00 E 03 Push the DC or AC Mode button to change the mode to AC Press Save Now to store the new mode setting Procede to Startup Configuration See Figure 1 4 FIG 1 3 FIG 1 4 Portuguese Exit Config DC or AC Mode English DEBUG MENUS DC AP FALSE CHANGE LANGUAGE 3 3H0821 13 Push Unlabeled button to en...

Page 7: ...rtup Configuration Accuset controls on new sawmills are configured at the factory If you have installed or replaced the control be sure to configure the control before operating the Accuset Follow the procedures below in the order they are listed See Figure 1 6 To enter Configuration Menu 1 push the Up button while in Manual Mode FIG 1 5 Save Now Exit Config Use buttons to adjust then save MODE DC...

Page 8: ...5 60AS R02doc032519 Setup Operation FIG 1 6 Save Settings Other Settings Calibrate Head Set Kerf CONFIGURATION MENU 1 3H0821 1 HOURS Manual Pattern Manual Mode Auto Down Auto Up 0 00 34 6 3 4 Push UP button to enter Configuration Menu 1 ...

Page 9: ...abeled Calibrate Head then the Adjust Gradient button to dis play the menu below See Figure 1 8 Push the Up or Down buttons until the Gradient Setting is the same as the sensor gradient shown on the sensor label use the number labeled us in Push the Save Now button to store the new Gradient Setting If you don t want to save the new set ting and want to return to the previously stored Gradient Sett...

Page 10: ...press the button labeled Press at 12 inches or Press at 305mm The display will change to Head Calibrated Push the Save Settings button to store the new 12 inches setting and exit the Configuration Menu Adjust Offset Although you can use the Offset value to adjust the Accuset control it is recommended that you use the Press At 12 Inches setting to make this adjust ment The Offset value is provided ...

Page 11: ...o scroll to Change Language menu 3 See Figure 1 9 Push the unlabeled button third from the left to display the Debug menu below Push the Bump U button to toggle the Auto bump feature on AP TRUE and off AP FALSE Push the Toggle button to exit the Debug Menu Push the Up but ton for Configuration Menu 1 Select Save Settings then Save Now to store the Auto bump setting FIG 1 9 Portuguese Exit Config D...

Page 12: ...enter the Configuration Menu Press the Set Kerf button to display the menu below See Table 1 1 Recommended kerf settings for various blades are provided below These kerf setting values assume the teeth of the blade are set per factory specifications If you prefer a nominal kerf value of 125 3 mm can be entered and should be accurate enough for most applications Push the Set Kerf button and use the...

Page 13: ...are found in Configuration Menu 2 To display Configuration Menu 2 push the Up button while in Manual Mode to display Configuration Menu 1 Select Other Settings to display Configuration Menu 2 FIG 1 11 Change Language Analog Limits Unit of Measure PID Values CONFIGURATION MENU 2 3H0821 2 Save Settings Other Settings Calibrate Head Set Kerf CONFIGURATION MENU 1 Push Other Settings button in Configur...

Page 14: ...t display Push the Change Language button and choose the desired language Push the Save Now or lan guage equivalent button to permanently store the new Language setting To return to the previously stored Language setting push Exit Config and turn the key switch to the off 0 position NOTE Rev A 00 A 03 only provide two language screens ...

Page 15: ...FIG 1 11 Spanish English Other Languages Other Languages English French CHANGE LANGUAGE 2 CHANGE LANGUAGE 1 3H0821 12 Push Other Languages button to enter Language Menu 2 Portuguese Exit Config English CHANGE LANGUAGE 3 Push Other Languages button to enter Language Menu 3 ...

Page 16: ...fig and turn the key switch to the off 0 position See Figure 1 12 PID Proportional Integral Differential Motor Deadband Values These settings allow a technician to diagnose and fine tune the Accuset control for various environmen tal factors These settings are made at the factory and should not normally need adjusting by the operator IMPORTANT Before adjusting the Accuset calibration set tings mak...

Page 17: ...he Integral Gain will be displayed and the up UP IGAIN and down DOWN IGAIN values can be adjusted as described above Differential Gain UP DGAIN and DOWN DGAIN Push the Select Next button again to display the Differential Gain values Adjust the up UP DGAIN and down DOWN DGAIN values as described above Motor Deadband Bias UP DEADBAND and DOWN DEADBAND Push the Select Next button again to display the...

Page 18: ...y the Differential Gain values Adjust the up DGU and down DGD values as described above Motor Deadband Bias DBU and DBD Push the Adjust gain button a third time to display the Motor Deadband values Adjust the up DBU and down DBD values as described above After adjusting all values push the Exit button Push the Save Now button to save any changes you made or press Exit Config to ignore any changes ...

Page 19: ...ccuset accuracy but will also slow down the speed at which the saw head moves to the desired increment setting The factory Kd setting is 35 To adjust the Kd setting press the Kd button then use the Up or Down buttons to raise or lower the value Adjust the Kd setting in intervals of 5 and check the perfor mance of the Accuset control If you reach the upper or lower Kd limit without achieving desire...

Page 20: ...the key switch to the off 0 position to return the PID Values to the previ ously stored settings Analog Limits These settings are used for troubleshooting diagnostics and should not be adjusted by the operator unless directed to do so by a qualified Wood Mizer service representative 1 1 6 Restore Factory Defaults Accuset Rev E 04 To return all Accuset settings the their factory default values pres...

Page 21: ...Setup Operation Control Setup Setup Operation 60AS R02doc032519 1 18 1 ...

Page 22: ...an store sixteen different increment levels using the four numbered Increment Set tings buttons Each button stores four adjustable increment settings Push button 1 once for setting 1 Push button 1 a second time for setting 5 etc Auto Up Mode This mode references the current blade height and allows you to choose an increment to move the blade up The Accuset will automatically move the saw head up a...

Page 23: ...rences the bed surface and allows you to program up to six different increments calculated up from the bed The sixth top increment repeats itself up to the upper limit of the saw head travel The bottom increment indicates the size of the remaining cant when the pattern is complete Reference Mode This mode allows the operator to program up to four pre set locations along the saw head travel The fac...

Page 24: ...Mode position blade for trim cut Switch to Auto Down and make trim cut Cut first face as desired in Auto Down Mode then turn log Switch to Manual Mode and position blade for trim cut Switch to Auto Down and make trim cut Cut second face as desired in Auto Down Mode then turn log Switch to Manual Mode and position blade for trim cut Switch to Auto Down and make trim cut Cut third face as desired in...

Page 25: ...Push the Down button to fine tune the setting to exactly 1 1 2 Push the Manual Mode button Push the Up button to display the Configuration Menu Choose Save Settings to enter the Save Settings menu then push Save Now Increment setting 7 is now 1 1 2 until you change the setting to something else Push the Auto Down button to return to Auto Down Mode if necessary Make the trim cut raise the saw head ...

Page 26: ...tion Using Auto Up Mode 1 1 23 60AS R02doc032519 Setup Operation 1 4 Using Auto Up Mode Auto Up Mode works exactly the same as Auto Down explained above except it controls the saw head movement in the up direction ...

Page 27: ...are rev 4 05 and later only As you scroll to each incre ment the previous increment setting will automatically be copied to the remaining incre ments below Accuset software rev 3 03 3 05 only As you scroll to each increment the previous increment setting will automatically be copied to the active increment Push the Up or Down buttons until the desired increment is obtained Remember to include blad...

Page 28: ... Mode Push the up down drum switch down and release The saw head will automatically stop at the first setting determined by the top pattern increment Make a cut raise the saw head and return the carriage for the next cut Push the up down drum switch down and release The saw head will stop at the setting for the next cut Repeat this procedure down this face of the log as desired Turn the log as you...

Page 29: ...t reference position Accuset will return to Manual Mode To change the stored setting for any of the four buttons move the saw head to the desired position Press the Toggle button to enter Reference Mode Push the button you wish to store the setting and then push Store Here Push the Toggle button to return to Manual Mode You can also change a setting by selecting one of the four Increment Setting b...

Page 30: ...roubleshooting section was developed assuming you have isolated the problem to the Accuset option Problems with the sawmill battery charging system circuit breakers solenoids and up down system can affect the Accuset option Refer to the sawmill trou bleshooting information to solve problems with these components A list of common Accuset problems is provided below Accuset Rev D 02 and later The tra...

Page 31: ...lights at the back of Accuset and power box control panels See Section 2 3 Up Down Control Lights for instructions If the lights are okay reset the Accuset See Section 2 2 2 Resetting the Accuset If the saw head still does not move up call Customer Service for assistance 6 Saw head does not move down but moves up Check the lower row of lights at the back of Accuset and power box control panels See...

Page 32: ... to be okay and the Accuset still switches modes with out pressing any buttons replace the Accuset front panel 11Accuset does not switch from Manual Mode to Pattern Mode Rev A 00 A 03 only When this happens turn the key switch to the off 0 position Turn the key switch to the on 1 or accessory 3 position Check if the Accuset works properly If the problem reappears reset the Accuset to Factory Setti...

Page 33: ...ight located at the power control panel open the power box door If the power light is on replace the control panel If the power light is off check up down circuit breaker located in the power box Reset the breaker if necessary If the circuit breaker works fine check the power control panel in the power box and the control panel in the operator s control box DC Sawmill Only See if the MOSFET panel ...

Page 34: ...n and remove the key 2 Open the power box to access the power control panel 3 Remove the four screws and nuts securing the control panel to the power box door 4 Disconnect the wire connections from the power control panel 5 Take the control panel off the sawmill 6 Install the new power control panel in the power box door Connect all the wires previ ously disconnected 7 Replace the four screws and ...

Page 35: ...d IMPORTANT Always readjust all the Accuset settings after resetting the unit See Sec FIG 2 2 REV E 00 FIG 2 2 REV B 00 D 02 FIG 2 2 REV A 00 A 03 HOURS Manual Pattern Manual Mode Auto Down Auto Up 0 00 34 6 3 4 SM0315 Press and hold Toggle button HOURS Manual Pattern Manual Mode Auto Down Auto Up 0 00 34 6 3 4 SM0307 Press and hold buttons HOURS Manual Pattern Manual Mode Auto Down Auto Up 0 00 3...

Page 36: ...Accuset Troubleshooting Accuset Display Problems 2 2 7 60AS R02doc032519 Accuset Troubleshooting tion 1 1 Control Setup of the Accuset manual for instructions ...

Page 37: ...ey switch to the on 1 or accessory 3 position to check the control lights for operation The properly working control lights change while pushing the up down drum switch located on the right side of the sawmill control box When the up down drum switch is in the neutral position only the BR and BL lights should be on See Figure 2 3 Only the BR and BL lights are on when the up down drum switch is not...

Page 38: ...down drum switch in the neutral position check the up down drum switch Inspect and tighten the up down drum switch wire connections If the saw head does not move up inspect the wire connections specific for UP direction If the saw head does not move down check the wire connections specific for DOWN direc tion Replace the up down drum switch if necessary If the up down drum switch is okay check the...

Page 39: ...wire connections if necessary If the MOSFET panel has been replaced before check the MTRL and MTRR motor wire connections for correct location If no problems are found with the wire connections call Customer Service for assistance 6 If all the up down lights are off check the power light at the rear of the Accuset front panel and the power control panel located inside the power box If the power li...

Page 40: ... 60AS R02doc032519 Accuset Troubleshooting 3 Disconnect all the wires and connectors from the rear of the MOSFET panel 4 Remove the MOSFET panel from the sawmill See Figure 2 5 FIG 2 5 SM0285B 12VDC MT RR MT RL GND Aluminum Block 4 1 2 3 4 Connector Pins ...

Page 41: ...ndicate infinite resistance 8 Place the red meter lead to the 12VDC terminal and black meter lead to MTRL The meter should indicate infinite resistance 9 Place the red meter lead to the GND terminal and the black meter lead to one of the alu minum blocks on the panel The meter should indicate infinite resistance 10 Place the red meter lead to the MTRR terminal and the black meter lead to one of th...

Page 42: ...ns one pin at a time The meter should indicate infi nite resistance The MOSFET panel is defective and needs to be replaced if any of the readings listed above are not correct 2 3 2 Replacing the MOSFET Panel DC Sawmill Only WARNING Before performing any service to the sawmill control box panel turn the key to the OFF position discon nect the negative battery lead and remove all rings watches etc F...

Page 43: ...Accuset Troubleshooting Up Down Control Lights Accuset Troubleshooting 60AS R02doc032519 2 14 2 ...

Page 44: ... pads are adjusted properly and the mast rails are clean and lubricated If the up down chain slide pads and mast rails are okay increase the PID values See Section 1 1 5 Other Settings of the Accuset operator s manual to adjust the settings prop erly If the new settings do not improve performance call Customer Service for assis tance 2 Jerky overshoot Check if the up down chain slide pads and mast...

Page 45: ...red G Series serial communication enables diagnostic feedback at a convenient remote location Access to internal sensor conditions minimizes troubleshooting efforts and enables the development of more sophisticated controller diagnostic routines All of these features will simplify sensor installation and maximize operational productivity Green Red Description OFF OFF No power to sensor OFF ON Self...

Page 46: ...S 3 1 Sensor Assembly REF DESCRIPTION Indicates Parts Available In Assemblies Only PART QTY TRANSDUCER ASSEMBLY LT60 70 ACCUSET 034242 1 1 Mount Weldment Transducer 034239 1 2 Grommet 3 4 ID Rubber 025247 1 3 Washer 3 4 ID Nylon 025250 1 13 14 14 13 15 16 17 18 600037 1B 6 11 12 7 8 9 10 1 2 3 4 5 19 20 ...

Page 47: ... Lower Accuset Sensor 038985 1 20 Bolt 1 4 20 x 3 4 Hex w Conical Washer Head F05005 134 2 Edging 3 8 x 1 2 Black Rubber 014548 354 ft Instruction Sheet Lower Accuset Sensor Cover Retrofit 003184 1291 1 CABLE KIT TRANSDUCER 55 REPLACEMENT 036906 1 Cable Assembly 55 Foot Transducer Interface 024868 2 1 Wire Tie 3 16 x 6 UV Black F05089 3 25 1 Balluff Style Z Transducer 038659 replaces Series G Tran...

Page 48: ...Replacement Parts Sensor Assembly 3 3 3 60AS R02doc032519 Replacement Parts ...

Page 49: ...TE ACCUSET POWER DC Only located in Remote Power Box 052884 1 1 PANEL REMOTE ACCUSET MOSFET DC Only located in Remote Power Box 024768 1 1 CONTROL ASSEMBLY REMOTE ACCUSET 052429 1 1 1 Box Weldment Accuset Control 024778 1 2 Panel Assembly Remote Accuset 024879 1 3 Gasket Accuset Mosfet Panel 024869 1 4 Screw 10 24 x 1 2 Phillips Head F05015 17 16 1 2 3 4 5 6 7 8 9 4 10 11 12 13 14 3H0851 1B 15 16 ...

Page 50: ...rts See Section 3 5 11 SCREW 10 24 X 3 8 PHILLIPS HEAD F05005 17 4 12 BRACKET ACCUSET HOLDOWN CLAMP 015296 1 13 WASHER 10 SAE FLAT F05011 18 4 14 BOLT 10 24 X 1 2 HEX HEAD F05004 27 4 15 CONDUIT 5 8 SPLIT LOOM HIGH TEMP 024323 62 8 in 16 TIE WRAP 3 16 X 6 BLACK UV F05089 3 2 1 Power Panel Kit 052884 Mosfet Panel 024768 Control Assembly 052429 and Front Panel 052437 N no longer available Upgrade to...

Page 51: ...TE ACCUSET POWER DC Only located in Remote Power Box 052884 1 1 PANEL REMOTE ACCUSET MOSFET DC Only located in Remote Power Box 024768 1 1 CONTROL ASSEMBLY REMOTE ACCUSET 052429 1 1 1 Box Weldment Accuset Control 024778 1 2 Panel Assembly Remote Accuset 024879 1 3 Gasket Accuset Mosfet Panel 024869 1 4 Screw 10 24 x 1 2 Phillips Head F05015 17 16 1 2 3 4 5 6 7 8 9 4 10 11 12 13 14 3H0851 1B 15 16 ...

Page 52: ...MP 024323 62 8 in 16 TIE WRAP 3 16 X 6 BLACK UV F05089 3 2 1 Power Panel Kit 052884 Mosfet Panel 024768 Control Assembly 052429 and Front Panel 052437 no longer available Upgrade to Accuset 2 with kit 052973 DC Remote 052969 AC non Remote or 052970 AC Remote 052884 Service Kit replaced 035572 Assembly supplied prior to 2 07 Motor Driver and Filter PCB panels were provided disconnected in kit to pr...

Page 53: ...TE ACCUSET POWER DC Only located in Remote Power Box 052884 1 1 PANEL REMOTE ACCUSET MOSFET DC Only located in Remote Power Box 024768 1 1 CONTROL ASSEMBLY REMOTE ACCUSET 024880 1 1 1 Box Weldment Accuset Control 024778 1 2 Panel Assembly Remote Accuset 024879 1 3 Gasket Accuset Mosfet Panel 024869 1 4 Screw 10 24 x 1 2 Phillips Head F05015 17 16 1 2 3 4 5 6 7 8 9 4 10 11 12 13 14 3H0851 1B 15 16 ...

Page 54: ...10 24 X 1 2 HEX HEAD F05004 27 4 15 CONDUIT 5 8 SPLIT LOOM HIGH TEMP 024323 62 8 in 2 16 TIE WRAP 3 16 X 6 BLACK UV F05089 3 2 1 Power Panel Kit 052884 Mosfet Panel 024768 Control Assembly 024880 and Front Panel 024946 no longer available Upgrade to Accuset 2 with kit 052973 DC Remote 052969 AC non Remote or 052970 AC Remote 052884 Service Kit replaces 035572 Assembly supplied prior to 2 07 Motor ...

Page 55: ... 4 SAE FLAT F05011 11 16 4 NUT 1 4 20 HEX HALF NYLON LOCK F05010 156 8 5 ARM ACCUSET COVER LINK 016704 2 6 BOLT 5 16 X 1 2 SHOULDER 1 4 20 THREAD F05006 69 4 7 WASHER 5 16 SAE FLAT F05011 17 4 8 WASHER 5 16 BELLEVILLE F05011 93 4 9 BUSHING 5 16 ID X 3 8 OD X 1 4 LONG BRONZE 016655 4 10 WASHER 5 16 FLAT NYLON F05011 92 4 11 WASHER 1 4 FENDER F05011 12 4 1 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 6 6...

Page 56: ... control assembly 3 4 3 6 3 8 cover assembly 3 10 sensor assembly 3 1 S setup auto bump 1 8 contrast adjustment 1 2 control setup 1 1 model configuration 1 2 other settings 1 9 restore defaults 1 17 startup configuration 1 4 T troubleshooting 2 1 accuracy problems 2 15 common problems 2 1 display problems 2 4 sensor LEDs 2 16 up down control lights 2 8 INDEX ...

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