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LOV

™

Generation II Technical Reference

MIB (Manual Interface Board) Pin Positions and Harnesses

Connector

From/To

Harness #

Pin #

Function

Voltage

Wire Color

M3000 J7

8074546

Ground

Black

CAN Lo

Red

CAN Hi

White

5
6

AIF J4

8074547

Ground

Black

CAN Lo

Red

CAN Hi

White

5VDC+

5VDC

Black

24VDC

Red

Ground

White

Transformer

8074649 RTI

8074844

NON-RTI

24VAC

Black

24VAC Ret

White

Filter Relay

Pump Motor

24VDC

Red

Pump Motor

Green

Blue LED

Blue LED +

24VDC

Red

Blue LED -

Black

RTI Open Switch

Open

Black

RTI Closed Switch

Closed

Red

Pan Switch

Pan Sw +

24VDC

Black

Pan Sw -

Red

13
14

RTI Open Switch

Ground -

White

RTI Closed Switch

Ground -

Green

To RTI connection in rear of

fryer

8074760

From RTI transformer

24VAC

Black

Common

White

To RTI “Add Pump” Relay

24VAC

Green

5
6
7

From RTI “Waste Tank Full
Sensor” Test Pins 2 to 8

24VAC – Full

0VAC – Not

Full

Red

Содержание LOV M3000

Страница 1: ...E MANUAL FEB 2010 Edition Introducing the LOV Fryer 1 The LOV Systems 2 M3000 12 RTI equipped Systems 31 Board Replacement 38 Wiring Diagrams 41 Pin Positions 44 Frymaster and Dean Technical Service 8700 Line Ave Shreveport LA 71106 Service Hotline 800 551 8633 Website www frymaster com 8196506 ...

Страница 2: ...lly maintains an optimal oil level with a reservoir in the cabinet M3000 computer a sophisticated controller with multiple levels of programming Automatic filtration the fryer performs hands free filtering at prescribed cook cycle counts or at prescribed times Oil savings The combination of a low volume fry vat and oil automatically kept at a optimal level reducing oil usage Introducing the Low Oi...

Страница 3: ...uited to filling the frypot when it is empty and there are safeguards to prevent it from activating when the fryer is cold and the oil is rest ing at the lower position The system is not active until the oil in the frypot reaches setpoint That temperature is monitored by the temperature probe The activation of the system is handled by the fryer s computer the M3000 The automatic top off system is ...

Страница 4: ...board A J5 connection unplugged B Fuse blown C Transformer malfunction A Check to ensure J5 on front of ATO board is fully locked into connector B Ensure fuse below right control box is not blown C Check that proper voltage is present at transformer See charts on pages 43 47 The yellow JIB low light won t illuminate A Loose wire connection B Power in the component box is not present C Failed trans...

Страница 5: ...ansformer to ATO board Ensure all harnesses are plugged securely into place F Ensure pump is operational Check voltage to pump Replace the pump if defective G Check for proper voltages using the pin position charts found on pages 43 47 If ATO found defective replace ATO board and clear any errors One vat tops off but other vats fail to top off A Loose wire connection B Actuator issue A Ensure all ...

Страница 6: ...ws filter cycles to be launched after a set number of cook cycles and a prescribed elapsed time The system can be set to lock out automatic filtration during busy times such as the lunch rush The fryer prompts for filtration by illuminating a blue LED on the front and a text prompt on the computer The operator can say no cooking can continue Responding yes leads to communication between the MIB an...

Страница 7: ...response from AIF LED illuminated constantly drain open no illumination drain closed The pump operates with a momentary switch Pressing and holding the return button after the valve is open activates the filter pump Releasing the button deactivates the pump The mode display on the face of the MIB board displays a range of letters which indicate activity or an error These codes are listed on the ne...

Страница 8: ... number indicates that the MIB board is resetting If r is displayed without alternating with a vat number a problem may exist with the MIB board itself Three horizontal lines temperature sensor sensor did not detect that the vat was full during auto filtration Press the M button which switches the board to manual The display becomes the number of the vat to be controlled manually Press the vat sel...

Страница 9: ...d in left component box Check output on the left transformer in left component box should read 24VAC If not replace transformer MIB will not clear error Error remains in non volatile memory Press and hold reset button in top right cor ner for five seconds The drain return and manual auto LEDS will illuminate and the MIB will reset and clear any remaining errors from memory Allow 60 seconds to rese...

Страница 10: ...10V to the ATO transformer may be missing or bad The J4 J5 connector may be loose Check to see if MIB has 24V on pins 5 and 6 of J2 Check to see if 24V is present on pins 5 and 6 of wire harness plugging into J4 or J5 of the first AIF board If 24V miss ing check the pins Replace the harness if necessary Check continuity between each color wire on the CAN connectors into J7 on the far right compute...

Страница 11: ...is opening 24VDC should be read from Pins 2 red and 4 white when the actuator is closing If either voltage is missing the AIF board is likely bad Test the actuator by plugging into another connector to open or close If the actuator operates replace the board Check resistance of the potentiometer between pin 2 purple wire and pin 4 gray white wire Closed should read 0 560Ω Open should read 3 8KΩ 6 ...

Страница 12: ...0VAC Power to heater relay coil on relay board Check voltage to the coil on pins 8 and 1 to ensure that 120VAC is present with oil in the vat If the vat is empty the power will cycle 4 seconds on 4 seconds off Check between pin 3 and 2 5VDC for air and 0VDC for oil A common message for a shorted harness or issue is IS DRAIN CLEAR IS DRAIN CLEAR with oil in the filter pan Check ground on pin 2 on r...

Страница 13: ...uct name For example a typical M3000 computer on a 3 vat fry station will display FR FRIES FR FRIES Pressing one of the cook cycle buttons will begin a cook cycle for French fries The chicken fillet station will usually display dashed lines Pressing the product button assigned to McChicken for example will cause mcchick mcchick to be displayed Then press a cook cycle button beneath the word mcchic...

Страница 14: ...essed twice the date and time of the last filter will be displayed Temp Button The TEMP button if pressed once while the fryer is on displays current vat temperature on both sides If the TEMP button is pressed twice while the fryer is on it shows the setpoint temperatures of the vats If the fryer is off the display shows the current versions of software Info Button The INFO button if pressed once ...

Страница 15: ...ok Cycle Multi Product Mode Press product key bearing icon for desired product Press cook channel button to begin cook cycle 2 Cancel Duty or Remove Alarm Press key under active display 2 TEMP TEMP Press product key bearing icon for desired product Press cook channel button under display showing desired item until beep is heard approx 3 seconds 2 Change From Dedicated to Multi Product Mode Press a...

Страница 16: ...play alternates between MCCK and remaining cook time Dashed lines appear in both displays Dashed lines reappear under active display at the end of the cook cycle Press cook channel button under duty display to cancel alarm 10 Mc cK 2 34 Press cook channel button under pull display to cancel alarm 11 McCK 2 2 McCK 1 If this occurs change setpoint by pressing the button assigned to the product When ...

Страница 17: ...down 2 34 1 9 10 11 1 Press a cook channel button to begin the cook cycle 1 2 Display alternates between abbreviated product name and remaining cook time 3 FRY Duty is displayed when itis time to shake the fry basket duty 4 1 Press cook channel button to cancel alarm 6 5 Pull is displayed when the cook cycle is complete pull Press cook channel button to cancel alarm 1 7 A menu item such as FR FRIE...

Страница 18: ...Brn to an alarm will sound Press and hold the cook channel button under the display until a beep is heard approximately three seconds and release Display changes to FR Fries fr fries hash brn Changing from Breakfast Setup to Lunch 1 2 3 4 Perform these steps on both sides to change both displays to FR FRIES F F R Y Hash brn Hash brn ...

Страница 19: ...annel button under the display until a beep is heard approximately three seconds and release Display changes to Low Temp until setpoint is reached LOW temp fr fries Changing from Lunch Setup to Breakfast 1 2 3 4 Computer displays FR FRIES FR FRies 5 H a s h b r n Display changes to Hash Brn hash brn 6 Fr fries Fr fries Perform these steps on both sides to change both displays to FR FRIES ...

Страница 20: ...ode Level 2 Program Manager Level Press and hold TEMP and INFO buttons 3 beeps displays Level 2 enter 1234 Press and hold INFO for 3 seconds displays Info Mode Full Split Vat Configuration Filter Stats Review Usage Last Load Setup enter 1234 Usage enter 4321 Level 1 enter 1234 Level 2 enter 1234 Volume 1 9 Tone 1 3 Alert Tone Volume and Tone Prod Comp E Log Password Setup Filter After Filter Time ...

Страница 21: ...VED SD CARD on the left and 100 100 on the right 8 Remove the SD card using the fingernail slot on the top of the SD card 9 Once the SD card is removed the display changes to CYCLE POWER CYCLE POWER 10 Cycle the control power using the hidden reset switch behind the right control box see page 38 HOLD THE SWITCH FOR 10 SECONDS ENSURING THE MIB BOARD HAS POWERED FULLY DOWN 11 M3000 CAN TX FULL M3000...

Страница 22: ... good If computer functions replace the computer F Swap with a harness known to be good If computer functions replace the harness G If any component in the power supply system including the transformer and interface board fail power will not be supplied to the computer and it will not function Computer locks up Computer error Remove and restore power to the computer M3000 display shows filter busy...

Страница 23: ...y is in wrong temperature scale Fahrenheit or Celsius Incorrect display option programmed See page 28 to change temperature scale M3000 displays CHANGE CHANGE FILTER PAD FILTER PAD Filter error has occurred filter pad clogged 24 hour filter pad change prompt has occurred or change filter pad was ignored on a prior prompt Change the filter pad and ensure the filter pan has been removed from the fry...

Страница 24: ...replace the harness MAINT FILTER MAINT FILTER Manual Filter won t start Temperature too low Ensure fryer is at setpoint before starting MAINT FILTER MAINT FILTER M3000 display shows REMOVE DISCARD REMOVE DISCARD In non dedicated mode a product is dropped that has a different setpoint that the current vat temperature Remove and discard product Press a cook button under the display with the error to...

Страница 25: ...imit circuit A Ensure all cords are fully seated in the receptacles locked into place and that circuit breakers are not tripped B Replace computer C Replace computer wiring harness D Check high limit circuit starting at the control box connector working to the high limit M3000 display shows IS IS VAT FULL YES NO VAT FULL YES NO A filter error has occurred due to dirty or clogged filter pad or pape...

Страница 26: ... of the J3 locator plug on the rear of the computer before entering the code 1000 1000 Reset CALL TECH CALL TECH Message Disconnect board locator plug J10 Reinsert plug Enter 1000 1000 Computer display switches to off off Remove and then restore power to the computer using the 20 pin plug 9988 9988 Reset BADCRC BADCRC Message Disconnect board locator plug J10 Reinsert plug Enter 9988 9988 Computer...

Страница 27: ...ge DRAIN VALVE NOT OPEN Drain valve failed to open the valve s position is unknown DRAIN VALVE NOT CLOSED Drain valve failed to close the valve s position is unknown RETURN VALVE NOT OPEN Return valve failed to open the valve s position is unknown RETURN VALVE NOT CLOSED Return valve failed to close the valve s position is unknown MIB BOARD Problem with CAN communications check for loose CAN conne...

Страница 28: ...wn E11 ERROR DRAIN VALVE NOT CLOSED Drain valve failed to close the valve s position is unknown E12 ERROR RETURN VALVE NOT OPEN Return valve failed to open the valve s position is unknown E13 ERROR RETURN VALVE NOT CLOSED Return valve failed to close the valve s position is unknown E14 ERROR AIF BOARD MIB detects AIF missing AIF board failure E15 ERROR MIB BOARD Cooking computer detects MIB connec...

Страница 29: ... and 25 25 on the right 25 hours is the default time to change the pad 7 Press the 8 2 button to accept changes and exit 8 The computer displays OFF OFF Continue below to enter the setup mode Fryer Setup Mode Fryer Setup Mode is used to setup the time date date format language fryer type vat type oil system type and temperature scale in the fryer s computer These settings are needed for the fryer ...

Страница 30: ...24 hr 11 With the desired selection displayed press the 9 1 yes yes button The computer displays enter time enter time on the left and current time on the right in hh MM hh MM format AM AM or PM PM is displayed if 12 hour system is chosen For example 12 Hour Format 7 30 AM is entered as 0730 24 Hour Format 2 30 is entered as 1430 Change AM AM and PM PM use the cd buttons 12 Enter time in hours and...

Страница 31: ...IT and FULL FULL 21 With the desired selection displayed press the 9 1 yes yes button The computer displays OIl SYSTEM OIl SYSTEM on the left and JIB JIB on the right 22 Use the _ and buttons to toggle between JIB JIB and BULK BULK NOTE A JIB system uses a disposable JIB JIB Jug in a Box A BULK BULK system has large storage oil tanks that are connected to the fryer that fills a reservoir 23 With t...

Страница 32: ...IRED the fryer can be used in most cases by answering NO NO when the prompt for SYSTEM ERROR FIXED YES SYSTEM ERROR FIXED YES NO NO is displayed The message repeats every 15 minutes until the issue is repaired and error cleared by a technician To clear the error enter 1111 after answering YES YES when SYSTEM ERROR FIXED YES NO SYSTEM ERROR FIXED YES NO is displayed Change filter pad and ensure fil...

Страница 33: ...hen the MIB board is bad or wires are shorted If JIB valve is not opening measure when JIB valve supposed to be open Voltage at MIB board from Pin 1 to Pin 2 should be 24 VAC if not check connections from RTI 24VAC transformer and check transformer JIB solenoid is not opening Take these readings when the JIB valve is in the open position Reset the power wait 60 seconds and see if the valve opens C...

Страница 34: ... C O U T R T I P U M P R ED RT I D IS P O S E T A NK F U LL M IB J6 C O N T R O L LIN E A D D P UM P SE N S E L IN E W A ST E F U LL T E S T IN G B E T W E E N P IN S 1 4 R T I D R O P P L U G S H O U LD R E A D 2 4V A C W H E N RT I T A N K IS F U L L 0 V A C W H E N R T I T A N K IS E M P T Y H IR S C H M A N N C O N N EC T IO N O N R E A R O F F R YE R 1 2 3 4 5 1 2 3 4 5 GR AY 5 CO ND U CT OR ...

Страница 35: ...ing off the frypot An orange momentary switch located adjacent to the JIB allows the operator to fill the JIB from the bulk oil storage tank To fill the JIB press and hold the orange button until the JIB is full then release Using the filter menu scroll to DISPOSE and select to dispose using the RTI system When prompt ed open the dispose valve by pulling the handle forward To close push the handle...

Страница 36: ...Oil Tank Fryer Filter Pump Built in Filter Box Built in Filter Box New Oil Pump New Oil Pump Fry Pots New Oil Tank Top off Jug Top off Pump Dispose Manual Valve Return Valves Jug Valve Bypass Check Valve Frymaster LOV Fryer and RTI Bulk Oil System Plumbing Schematic ...

Страница 37: ...red level 21 Filling is displayed while button is depressed 22 Continue Filling Yes No is displayed 23 Press 9 to continue filling or 8 to Exit program NOTE If the waste tank is full the computer displays RTI Tank Full Call RTI DISPOSE TO WASTE 1 Hold down Filter button until computer beeps twice 2 Scroll down to dispose using Info button and press 9 button 3 Dispose Yes No is displayed 4 Press 9 ...

Страница 38: ...ES NO CONFIRM YES NO CONFIRM YES NO or SKIM VAT SKIM VAT is displayed the fill jug button is disabled until either a filter is complete or until no is chosen The system also checks these conditions The following must be met before jug fill is allowed Solenoid closed Orange fill button pressed longer than 3 seconds Waste valve closed FILTER NOW YES NO FILTER NOW YES NO CONFIRM YES NO CONFIRM YES NO...

Страница 39: ...acement The LON gateway and ATO board are located inside the box behind the JIB The LON gateway covers the ATO board and must be removed to access it Both are connected to single phase power from the control box Disconnect the fryer from the electrical power supply Locate theATO box behind the JIB Jug In Box Remove the cover to expose the transformers relay and LON gateway if installed see image b...

Страница 40: ...oard see image at right 5 Replace with a new MIB board and reverse steps to reassemble 6 Once replaced reconnect the power 7 Cycle all power to the unit to readdress the fryer using the steps on the previous page AIF Replacement The AIF boards are located inside a protective housing underneath each frypot 1 Disconnect the fryer from the electrical power supply 2 Locate the AIF board to be replaced...

Страница 41: ... the hinged slots in the control panel frame Install the replacement computer Reinstall the control panel assembly by reversing steps 1 thru 4 Setup the computer following the instructions on page 4 9 in the Installation and Opera tion manual Setup MUST be performed after replacement Cycle all power to the unit to readdress the fryer using the steps on page 37 ATO Pump Replacement Disconnect the f...

Страница 42: ...LOV Generation II Technical Reference 41 LOV Electric Fryer Wiring Diagrams START OF 6 WIRE DATA POWER ...

Страница 43: ...LOV Generation II Technical Reference 42 LOV Gas Fryer START OF 6 WIRE DATA POWER ...

Страница 44: ...s 6 wire harness 6 wire harness 3 wire harness For systems that have a LON Board and or 4 or 5 battery systems have an additional ATO Board ATO J202 J9 120 Ω Pins 2 3 6 wire harness 6 wire harness J10 2nd ATO J9 J10 6 wire harness LON J203 2nd ATO board only in 4 and 5 batteries 6 wire harness 6 wire harness 6 wire harness Oil Level Sensor gas only Oil Level Sensor gas only Oil Level Sensor gas on...

Страница 45: ...3 4 5 12VAC Ret 12VAC Red 6 12VAC Brown 7 8 J3 Vat 3 J2 Vat 2 J1 Vat 1 ATO RTD 8074655 Vat 1 8074654 Vat 2 8074621 Vat 3 1 DV Probe Ground Ohm White 2 DV Probe Red 3 FV Probe Ground White 4 FV Probe Red J6 Orange LED 8074555 1 16VDC 16VDC Black 2 16VDC Ret Red J7 1 2 3 Ground 4 RB7 DATA 5 RB6 CLOCK J10 Network Resistor pins 2 3 or to next ATO Board 4 5 vat units 8074552 1 Ground Black 2 CAN Lo Red...

Страница 46: ...44 NON RTI 1 24VAC 24VAC Black 2 24VAC Ret White Filter Relay 3 Pump Motor 24VDC Red 4 Pump Motor Green Blue LED 5 Blue LED 24VDC Red 6 Blue LED Black RTI Open Switch 7 Open Switch Black RTI Closed Switch 8 Closed Switch Red 9 10 Pan Switch 11 Pan Sw 24VDC Black 12 Pan Sw Red 13 14 RTI Open Switch 15 Ground White RTI Closed Switch 16 Ground Green J6 To RTI connection in rear of fryer 8074760 1 Fro...

Страница 47: ...er is followed by an L to indicate left side of a split vat or an r to indicate the right side of a split vat or a full vat Blink Return valve on vat is opening or closing or an error condition may exist Network N Network error displays for 10 seconds in no communications are received from the M3000 within 10 seconds after power on or MIB reset Resetting r An r is displayed for ten seconds or unti...

Страница 48: ...k J3 DV Return N A 1 Ret Open 24VDC Black 2 Ret Closed 24VDC Red 3 Ret Position Purple 4 Ground White J4 MIB J2 or AIF J5 8074547 AIF Board Communication and Power 1 Ground Black 2 CAN Lo Red 3 CAN Hi White 4 5VDC 5VDC Black 5 24VDC 24VDC Red 6 Ground White J5 AIF J4 or ATO J10 8074547 AIF Board Communication and Power 1 Ground Black 2 CAN Lo Red 3 CAN Hi White 4 5VDC 5VDC Black 5 24VDC 24VDC Red ...

Страница 49: ...M 11 Sound Device 5VDC 12 ALARM 13 FV Probe 14 Common Probes 15 DV Probe 16 17 18 19 20 J6 Next M3000 J7 or Network Resistor 807 4546 Computer Commu nication Harness 1 Ground Black 2 CAN Lo Red 3 CAN Hi White 4 5 6 J7 MIB J1 or previous M3000 J6 807 4546 Computer Commu nication Harness 1 Ground Black 2 CAN Lo Red 3 CAN Hi White 4 5 6 J9 ONLY USED ON NON AIF UNITS J10 Interface Board Ground to Comp...

Страница 50: ...Frymaster L L C 8700 Line Avenue Shreveport LA 71106 Service Center 800 551 8633 or 318 865 1711 Printed in the United States of America English 2009 February 23 2010 ...

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