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Sun Yeh Electrical M Series Operation Manual Download Page 17

【M Series】Multi-turn Electric Valve Actuator

 

14 

2021.06 

5.5

 

Mounting Dust-proof Stem Protection Sleeve 

 

 

a.

 

Remove the dust-proof cover

【

1

】

from gear box

【

3

】

. 

b.

 

Place the dust- proof stem protection sleeve

【

2

】

on the gear box

【

3

】

  and tighten with 

the gear box

【

3

】

.   

c.

 

Tighten the dust-proof cover

【

1

】

  with the dust-proof stem protection sleeve

【

2

】

.     

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 

 

 

 

【

1

】

Dust-proof Cover 

【

2

】

Dust-proof Stem Protection Sleeve 

【

3

】

Gear box 

Summary of Contents for M Series

Page 1: ...SY04 C001A EN APP iOS Android ...

Page 2: ...uator Drive Bush 8 5 2 Mounting Actuator with Valve 9 5 3 Mounting Gear Box with Valve 11 5 4 Mounting Actuator with Gear box 13 5 5 Mounting Stem Protection Tube 14 6 Electrical Connection 15 6 1 Terminal Block Layout 15 6 2 Removing Terminal Cover 16 6 3 Electrical Connection Cable Connection 17 7 Manual Operation 18 7 1 Manual Operation Steps 18 8 Electrical Operation 20 8 1 Introduction 20 8 2...

Page 3: ... M Series Multi turn Electric Valve Actuator 2021 06 9 2 Oil Replacement 65 9 3 Maintenance 66 9 4 Operation Protection 66 10 Troubleshooting 67 11 Warranty 71 ...

Page 4: ... operation 1 2 Installation Storage Transport Please read operation manual and wiring diagram carefully before installation Perform all basic settings including stroke limitation for open and close direction prior to op eration Verify the power supply s voltage is in accordance with the data on nameplate to prevent short circuit or electrical electronic parts damage caused by incorrect power input...

Page 5: ... output torque remains constant when output speed changes High efficiency BLDC motor technology allows output torque and speed adjustable in both directions Torque overload protection at each end of stroke Double sealed and IP68 weatherproof Patent obtained in UK USA Taiwan China Japan and Germany Setting monitoring and diagnosing are possible through local control and APP with Blue tooth iOS Andr...

Page 6: ...ion Figure 2 Gear Box Thrust Base Rising Stem Gear Box Dust proof Stem Protection Sleeve Input Shaft Figure 1 Actuator Nameplate Setting and Display Panel Battery Sealing Plug Handwheel Lever and Lock Handwheel Dust proof Stem Protection Sleeve Oil Plug Motor Terminal Cover Conduit Entries Control Room ...

Page 7: ... M Series Multi turn Electric Valve Actuator 4 2021 06 3 2 Nameplate Instruction Caution ...

Page 8: ... G201 Multi turn Gearbox Applicable Actuator Output Speed Non rising stem Rising stem Mounting Flange Max Torque Max Stem Acceptance Diameter Weight Max Thrust Max Stem Acceptance Diameter Weight rpm N m in lb mm kg lb kgf lbf kN mm kg lb ISO 5210 M 41 13 40 123 1090 40 22 48 5 7140 15744 70 32 25 55 1 F12 M 55 10 30 165 1460 M 80 7 20 708 240 2125 G202 Multi turn Gearbox Applicable Actuator Outpu...

Page 9: ...peed Non rising stem Rising stem Mounting Flange Max Torque Max Stem Acceptance Diameter Weight Max Thrust Max Stem Acceptance Diameter Weight rpm N m in lb mm kg lb kgf lbf kN mm kg lb ISO 5210 M 55 4 3 13 385 3410 60 32 5 71 6 15300 33737 150 44 36 79 4 F16 M 80 2 8 8 6 560 4960 M 100 2 1 6 4 708 700 6200 ...

Page 10: ...uld be stored in a dry area with relative humidity of less than 90 and at temperatures between 20 C to 40 C 4 F to 104 F The product shall be stored with suitable protection from corrosive substance that can dam age the metal and insulating parts The plastics conduit plug for temporary protection should not be removed until the actuator is ready to be cabled Use suitable cable glands with IP68 pro...

Page 11: ...ismantle the components Remove the drive bush from base assembly b Machine the drive bush to suit the valve stem c Reassemble the base assembly and fasten M5 screws Make sure if the screw hole is in the right position Screw Size Torque N m M5 3 Figure 1 Non thrust Base Assembly Rising Stem Figure 2 Thrust Base Assembly Non Rising Stem Drive Bush M5 Screw Drive Bush M5 Screw ...

Page 12: ...he thrust base assembly 3 to ensure the stem nut is engaged with the output drive sleeve 2 see photo on the right If the flanges are flush with each other the actuator 1 will be engaged with thrust base assembly 3 properly e Adjust the actuator 1 until alignment of mounting holes on the thrust base assembly 3 f Use M10 screws 4 to fasten the actuator 1 with the thrust base assembly 3 and fasten ac...

Page 13: ...ngaged with the output drive sleeve 2 see photo on the right If the flanges are flush with each other the actuator 1 will be engaged with the non thrust base assembly 3 properly d Tighten M10 screws 6 Screw Size Torque N m M10 25 Use suitable screws and couplings to direct mount with the valve DO NOT lift the actuator through the hand wheel while moving to avoid actuator damage The basic setting i...

Page 14: ...y 3 to ensure the stem nut is engaged with the output drive sleeve 2 see photo on the right If the flanges are flush with each other the gear box 1 will be engaged with the thrust base assembly 3 properly e Adjust the gear box 1 until alignment of mounting holes on the thrust base assembly 3 f Use the screws 4 to fasten the gear box 1 with the thrust base assembly 3 Gear Box Screw Size Torque N m ...

Page 15: ...lange c Adjust the gear box 1 until alignment of the fixing holes and ensure the stem nut of non thrust base assembly 3 is engaged with the output drive sleeve 2 see photo on the right If the flanges are flush with each other the gear box 1 will be engaged with non thrust base assembly 3 properly d Tighten the screws 6 Gear Box Screw Size Torque N m G201 M12 42 G202 M16 106 G203 M20 204 1 Gear Box...

Page 16: ...of the gear box b Mount the actuator 1 with gear box 3 and align the input shaft of the gear box 3 c Rotate the actuator 1 to let the flange hole of the gear box align with the flange hole of the gear box 5 d Tighten M10 screws 4 per the table below Screw Size Torque N m M10 12 5 1 Actuator 2 O ring 3 Input Shaft of Gear Box 4 M10 Screws 5 Gear Box ...

Page 17: ... Sleeve a Remove the dust proof cover 1 from gear box 3 b Place the dust proof stem protection sleeve 2 on the gear box 3 and tighten with the gear box 3 c Tighten the dust proof cover 1 with the dust proof stem protection sleeve 2 1 Dust proof Cover 2 Dust proof Stem Protection Sleeve 3 Gear box ...

Page 18: ...arning instruction The user should read and follow instructions contained in this operation manual Installation maintenance and repair works must be performed by trained personnel Wiring according to the order related wiring diagram and keep it after wiring Please contact your sales representatives in case of loss For short circuit protection a switch or circuit breaker must be included in the wir...

Page 19: ...cover a Loosen the cover screw 3 and remove the terminal cover 4 Please do not lose the O ring 2 b Tighten the conduit entries with suitable cable glands with IP68 rating c Unused conduit entries 6 have to be sealed with plugs to reach IP68 rating 1 Terminal Compartment 2 O ring 4 Terminal Cover 3 Cover Screw 5 Terminal board 6 Conduit Entries ...

Page 20: ...2 Torque N m Power terminals L1 L2 L3 PE connection 5 2 Control contacts 1 52 4 1 a Connect cables according to the order related wiring diagram Risk of electric shock in case a protective earth conductor is NOT connected Start running the device only after having connected the protective earth conductor inside actuator b Tighten PE conductor firmly to PE connection ...

Page 21: ...angeover mechanism Remove the lock for manual operation in any time and re lock after using manual operation Even if supply power to actuator during manual operation it will not switch from manual to electric operation and cause personal injury 7 1 Manual Operation Steps a Disengage motor operation before manual operation b Remove the lock from handwheel lever c Reverse the lever to engage handwhe...

Page 22: ...override No matter the actuator is powered or not manual operation is always possible To pre vent misuse after using the manual operation it is needed to turn the handwheel lever back and lock up It is needed to reset the limit position if manual operation without main power supply or battery dead Refer section 8 7 4 to reset the limit positon if the display shows warning messages below The handwh...

Page 23: ...ck to previous level Switch the menu item Enter an incremental value for the pa rameter Switch the menu item Move to next position in setting pa rameter Confirm selection Save Go to next level The valve operation symbol corresponds to the table description below Operation Symbol Function Operating in CLOSE direction Operating in OPEN direction Stop Middle Travel Indicator Running indicator Power I...

Page 24: ... M Series Multi turn Electric Valve Actuator 21 2021 06 Settings Menu 8 1 2 ...

Page 25: ... M Series Multi turn Electric Valve Actuator 22 2021 06 ...

Page 26: ... M Series Multi turn Electric Valve Actuator 23 2021 06 ...

Page 27: ...el to turn on the LCD but the backlight will not light If the handwheel is continuously operated the LCD will remain on If the handwheel is not operated and the push buttons are not operated for more than 30 seconds the LCD will turn off again for power saving Symbol Description Local Mode Remote Mode Manual Mode Maintenance Valve Open Valve Close Connecting with Bluetooth Motor Stop Run in CW Run...

Page 28: ...ruction 8 1 5 Main Menu The main menu includes 8 parts of which parts 5 to 8 will be displayed only to User and above Item Function Permission Observer User Dealer Administrator 1 User Management 2 Operating 3 Monitoring 4 System Program 5 Maintenance Set 6 Parameter Set 7 Control Mode Set 8 Communication Set of rated torque Torque curve of the latest running Closing direction Opening direction ...

Page 29: ...d User Level No Menu Observer 1 1 Current User User Dealer 1 1 Current User 1 2 Change OP Password Change Operating 1 3 Change Password 1 4 Restore Password Administrator 1 1 Current User 1 2 Change OP Password Change Operating 1 3 Restore Password The screen displayed with Observer level The screen displayed with User or Dealer level The screen displayed with Administrator level ...

Page 30: ... Note Observer User Management Monitoring Systme Program None If you have logged in to the User or above you do not need to enter the password again Operating 1111 User 2222 Dealer 3333 Administrator After the user logs in if the push button is not operated for more than 300 seconds and the LCD screen is in Standby Mode it will be automatically logged out Change OP Password 8 2 2 Entering the old ...

Page 31: ...enter the password Enter figures from 0 to 9 Move to different digits Save the change Restore Password 8 2 4 User Level Restorable password User Operation password Observer Dealer Operation password Observer User password Administrator Operation password Observer User password Dealer password Can only restore password for permission lower than login level The screen displayed with Dealer level The...

Page 32: ... must be made Power Mode Set System Program Power Mode Set Battery Setting System Program Battery Setting Close Open Limit Parameter Set Close Open Setting Set Close Limit Parameter Set Close Open Setting Set Open Limit Set Local Remote 8 3 1 Select Local Operation or Remote Control mode then press button and the display shows Save The setting is completed when the Save message is disap peared Pus...

Page 33: ...ting Keep push the button for more than 5 secs and Latching is shown which means the actuator is in automatic running state Push the button again to stop operating Operating in CLOSE direction Push the button to operate in CLOSE direction and release the button to stop operating Keep push the button for more than 5 secs and Latching is shown which means the actuator is in automatic running state P...

Page 34: ...eat Stop Motor temperature higher than 135 275 j Driver Overheat Motor power module IGBT temperature higher than 125 257 k EEPROM Fault The PCBA module failure to save the data The following warning messages will be shown on the display but the motor still can be operated Warning Message Operating Condition a Over Limit Range When actuator exceeds the limit value set in the running direction it ne...

Page 35: ...or Status 3 2 Operating Status 3 3 Alarm Log 3 4 Product Info No Menu 3 1 1 Motor Current 3 1 2 Motor Temperature 3 1 3 Motor Driver Temp Motor Current This value will only be displayed when the motor is running Motor internal temperature Motor Temperature Motor Driver Temp Motor Driver Module temperature ...

Page 36: ... 6 Mainte Torque Off 3 2 7 Mainte Motor Runtime Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Not applicable Maintenance The total times for operating to fully open or fully closed position Only calculate the times when the ac tuator operating to 0 or 100 position Running Time Boot timing total Actuator operating time Motor Running Time total Motor o...

Page 37: ...load and stop running Torque Off Count The value shows the remaining cycle times be fore maintenance Mainte Valve Switch Mainte Torque Off The value shows the remaining torque cut off times before maintenance Mainte Motor Runtime The value shows the remaining operating hours before next maintenance ...

Page 38: ...plicable Time for fault occurred The time is based on th actuator boost time hour minute second Fault code for the fault event Refer to troubleshooting for more information and soloutions Fault No for the number of alarm event The max number of events is 99 The oldest data will be coveredd if it is more than 99 The smallest figure means the latest message Short description of the Fault code ...

Page 39: ...pplicable Manufacturers Info Only the administrator level can browse the Manufacturers Info All information is manufacture info and can not be changed Product Info Except Firmware the other information can be modified by Modbus and Profibus protocol G201 stands for the gearbox It will not be shown if external gearbox is not assembled in Product Info The module is installed The module is not instal...

Page 40: ...er Level 4 1 Language User 4 2 Set LCD Contrast User 4 3 Lamp Color User 4 4 Battery Setting User 4 5 Restore Factory Administrator 4 6 Power Mode Set Administrator Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change Push Button Function Back to previous level to quit Contrast increase Contrast reduction Save the change ...

Page 41: ...y open or fully close direction Middle Travel The LED indication will stay ON when the actuator runs to middle travel no matter it is running or stops Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change Battery Setting 8 5 4 Two types of batteries alkaline battery or lithium battery could be installed in the actuator and setting the correct...

Page 42: ...tal number of switch and Torque Off Count in Operating Status Menu Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change Power Mode Set 8 5 6 Set the power mode based on the power supply and press to save the selec tion Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change ...

Page 43: ...enance Setting will be re accumulated after clearing alarm Clear Alarm 8 6 1 The display shows difference menu and base on the Maintenance Signal No Maintenance Signal and select NO to quit Select YES and press to clear all maintenance messages Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change No Menu Lowest User Level 5 1 Clear Alarm Use...

Page 44: ...s 8 6 4 Setting range is from 100 to 2 500 hours Push Button Function Back to previous level to quit Enter an incremental value for the parameter Move to next digit Save the change Push Button Function Back to previous level to quit Enter an incremental value for the parameter Move to next digit Save the change Push Button Function Back to previous level to quit Enter an incremental value for the ...

Page 45: ... The value could be set from 0 to120 Unit and default setting is 120 When the motor temperature exceeds setting value actuator will have warning mes sage and an alarm log Motor OH SpeedLimit No Menu 6 1 Motor Setting 6 2 Emergency Setting 6 3 Torque Setting 6 4 Close Open Settings 6 5 Torque Retries No Menu Lowest User Level 6 1 1 Motor Temp Warning User 6 1 2 Motor Temp Protection User Motor Temp...

Page 46: ...lower than the value set in Motor Temp Warning the ac tuator run at the set speed again Default Enable Motor Temp Protection Motor High Temperature Protection When the motor temperature is higher than 135 275 the protection function will be activated automatically to stop the motor running Af ter the motor temperature is lower than 135 275 the protection function will be based on the setting in Mo...

Page 47: ...ng refers to section 8 7 4 Close Open Settings Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change No Menu Lowest User Level 6 2 1 Close Speed User 6 2 2 Open Speed User 6 2 3 Emergency Function User 6 2 4 EmergencyInput NC NO Dealer 6 2 5 Signal Fault Mode Dealer 6 2 6 Signal Fault Position Dealer Close Open Speed ...

Page 48: ...SD signal is received the actuator will run to the fully closed position Fully Open Once the ESD signal is received the actuator will run to the fully open position Stop Running Once the ESD signal is received the actuator will stop run ning Disable ESD Signal Once the ESD signal is received the actuator will keep run ning normally Set the wiring type of emergency signal input for Normal Close or ...

Page 49: ...of the actuator The function for Analog Input Control is only available for 4 20mA 1 5V 2 10V Default Keep Position Menu Description Keep Position Once the input signal is failed the actuator will stop running Emergency Position Once the input signal is failed the actuator will operate to the position set in the Signal Fault Mode Fixed Process Once the input signal is failed the actuator will keep...

Page 50: ...us level to quit Adjust tripping torque in end position One push corresponds to 10 reduction Adjust tripping torque in end position One push corresponds to 10 increase Save the change The tripping torque in end position CLOSE and OPEN could be set from 30 to 100 and default settings are 100 for Close and 50 for Open The function must be applied with Close Open End Stop Mode and Close Open Position...

Page 51: ...avel range outside the end positions the actuator will perform the Retry func tion until programmed number of tries set in Torque Retries is reached The function must be used with Torque Retries Default 50 Close Open Setting 8 7 4 No Menu Lowest User Level 6 4 1 Close Tightly User 6 4 2 Close Direction Dealer 6 4 3 Set Close Limit Dealer 6 4 4 Set Open Limit Dealer 6 4 5 Close Speed User 6 4 6 Ope...

Page 52: ... is received or a STOP command is received from remote control Except torque overload reach the 0 position or a command of operating in opposite direction is received Default Disable Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change Select closing direction CW means the output shaft turns in Clockwise for closing di rection And CCW means ...

Page 53: ...lose Limit and Set Open Limit Real time percentage of torque when the actua tor is running The operation direction is displayed as below conditions CW means the output shaft turns in clockwise direction and CCW means in coun ter clockwise direction Operating direction icon in CW or CCW Arrow icon in right or left direction Keep pressing the button for more than 5 secs and L is displayed which mean...

Page 54: ...ternal gearbox The Product Info of actuator with gearbox needs to be set before shipment Otherwise the selection speed shown will be based on the actuatoro without gearbox Actuator Gearbox Running Speed RPM Default RPM M 41 G201 40 33 27 20 13 13 M 55 G201 30 25 20 15 10 10 M 80 G201 20 17 13 10 7 10 Actuator Gearbox Running Speed RPM Default RPM M 41 G202 24 20 16 12 8 8 M 55 G202 18 15 12 9 6 6 ...

Page 55: ... torque will be set per the setting value at End Torque Close and the actuator will stop running immediately when the torque is higher than the setting value Besides the actuator will run to ful ly closed position 0 when the torque is lower than setting value Default Position Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change The actuator ...

Page 56: ...previous level to quit Switch menu item up Switch menu item down Save the change Set the CLOSE end position range and the setting range is from 2 to 20 After entering the end position range the functions of the Close End Stop Mod and End Torque Closed will be activate Default 10 Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change Set the OP...

Page 57: ...by setting the parameters as following The parameter is set to 0 As soon as the increase in torque occurs because of overload the actuator stops and meanwhile alarms The parameter is set to 1 2 3 4 or 5 When the increase in torque occurs because of overload the actuator moves back for 3 of the entire travel and then move forth to attempt to fix the jammed valve repeatedly by 1 2 3 4 or 5 tries If ...

Page 58: ...uence will be initiated by setting the parameters as the following The parameter is set to 0 As soon as the increase in torque occurs because of overload the actuator stops and meanwhile alarms The parameter is set to 1 2 3 4 or 5 When the increase in torque occurs because of overload the actuator moves back for 3 of the entire travel and then move forth to attempt to fix the jammed valve repeated...

Page 59: ...put Mode Set 8 8 1 Digital Permanent Digital Pulse Analog Input No Menu 7 1 Input Mode Set 7 2 Analog Channel 7 3 Digital Channel No Menu Lowest User Level 7 1 1 Digital Permanent Dealer 7 1 2 Digital Pulse Dealer 7 1 3 Analog Input Dealer 7 1 4 Modbus Dealer 7 1 5 Profibus Dealer ...

Page 60: ...en V V ESD V Disable Close V Disable Open V It is needed to have a continuous signal to activate When Digital Pulse is se lected it only works in the pulse rise time Digital Permanent is a continuous signal mode which means that actuator will oper ate when a continuous signal is present It is needs to set NO Normal Open or NC Normal Close refer to section 8 8 3 as well Digital Pulse is the trigger...

Page 61: ...ller The sensitivity setting range is 0 0 5 0 When 0 0 is set the allowable tolerance is 0 which is the most sensitive state When 5 0 is set the allowable tolerance is 5 which is the most insensitive state Default 0 5 Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change No Menu Lowest User Level 7 2 1 AI Sensitivity Set Dealer 7 2 2 AI Signa...

Page 62: ...own Save the change Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change There are six signal types for AI Signal Mode and AO Signal Mode as shown below and different signals can be set for AI and AO Signal Type 0 20 mA 4 20 mA 0 5 V 1 5 V 0 10 V 2 10 V AO Signal Mode Analog Output Channel ...

Page 63: ... item up Switch menu item down Save the change Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change Channel 1 and channel 2 for Digital output There are 4 output contacts for each channel No Menu Lowest User Level 7 3 1 Digital Input NC NO Dealer 7 3 2 Digital Output CH1 User 7 3 3 Digital Output CH2 User Digital Input NC NO Digital Output C...

Page 64: ...PEN or CLOSE Direction and stops run ning 7 Fault Signal Error has occurred 8 Signal Flash Relay contact is activated every second 9 Actuator Ready Motor is normal handwheel lever is disable and limit setting is com pleted which means the actuator is ready for electrical operation 10 Remote Select Output signal for remote control 11 Motor Temp Fault The motor will stop running when its temperature...

Page 65: ...Set the transmission rate for Modbus There are 5 rates could be chosen Refer to the following instructions The LCD display shows the default value or the setting value when entering Modbus Address function No Menu 8 1 Modbus 8 2 Profibus No Menu Lowest User Level 8 1 1 Address User 8 1 2 BaudRate User Push Button Function Back to previous level to quit Enter figures from 0 to 9 Move to next digit ...

Page 66: ... shows the default value or the setting value when entering Profibus Address function and the setting range from 2 to 125 Push Button Function Back to previous level to quit Switch menu item up Switch menu item down Save the change No Menu Lowest User Level 8 2 1 Address User Push Button Function Back to previous level to quit Enter figures from 0 to 9 Move to next digit Save the change Modbus Bau...

Page 67: ...ambient temperature and operating conditions may affect battery life Remove the sealing plug with a 10 mm Alley key to ensure the O ring exists when power is energized Battery Replacement a Remove the sealing plug with 10mm Allen key b Pull out the battery case Do Not pull it out too hard to cause the wires loosed c Tighten the sealing plug after replacing the battery d Set the battery type via LC...

Page 68: ...op oil plug with a 8mm Allen key b Use a 8 mm Allen key to remove the oil plug when is located at the lower right side of the LCD panel and drain the oil completely c Tighten the oil plug back after draining the oil completely d Filled with the oil from the top oil hole The oil capacity is 1 liter e Tighten the oil plug back to the top oil hole ...

Page 69: ... short circuit and the failed PCBA caused by the temperature rise Ensure the seals are placed correctly without hardening or damage Ensure all housing screws are tightened If any safety problems are detected during maintenance the actuator must be repaired im mediately without delay Using the original or equivalent to replace the seals and etc 9 4 Operation Protection The following actions are req...

Page 70: ...Motor stops running a The temperature inside the motor is higher than 135 C 275 and stops running b The duty cycle exceeded the rating or torque is overload a Confirm if the torque of the valve suits for the actuator b Motor stops running un til it cools down 05 Driver Overheat Power module over heating The duty cycle exceeded the rating or torque is overload Confirm if the torque of the valve sui...

Page 71: ...CLOSE limited posi tion at the range of higher than 100 216 or lower than 0 216 Adjust to the normal range 13 Torque Overload Jammed or stuckpipe a Valve is blocked or stuck by foreign objects b The valve is stuck in the valve seat when the valve is inactive for a long time Operate the handwheel to confirm if the valve is stuck by foreign objects and re move them 14 Encoder Fault Encoder error a E...

Page 72: ...Flash memory failure a Data access is error b The memory is broken Replace the main board 24 Driver Comm Error Failure actuator motor signal PCBA is broken Replace a new motor driver 25 Modbus Comm Error External Modbus communication error a Poor external wiring con nection b PCBA is broken c Control signal is not re ceived for more than 2 secs a Confirm if the wiring is correct or not b Replace a...

Page 73: ...onfirm if the wiring is correct or not b Replace a new Profibus module c Confirm if the control signal is correct or not 29 Spare Encoder Fault Backup encoder fail ure a Encoder circuit is broken b Poor external wiring con nection a Confirm if the wiring is correct or not b Replace a new encoder module 30 Position Detect Fault Cur rent location detection error Operate the handwheel under power out...

Page 74: ...ediate purchaser of the Sun Yeh product and is not transferable To obtain service under this warranty the purchaser must first acquire a return authorization from Sun Yeh Products must be returned to Sun Yeh under freight prepaid This warranty is in lieu of all other obligations liabilities or expressed warranties Any implied warranties including any implied warranty of merchantability are hereby ...

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