Frymaster LOV Technical Information Manual
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Frymaster LOV Technical Information Manual

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LOV Fryer Technical Information Manual
1.1
ATO (Automatic Top-Off) Service Procedures............................2
1.1.1
ATO (Automatic Top-Off) Troubleshooting................................ 2
1.1.2
1.1.3
1.1.4
Replacing the ATO (Automatic Top-Off) Board/Transformer......... 6
1.1.5
Replacing the ATO Pump/Solenoid......................................... 6
1.2
1.2.1
Manually Draining............................................................... 8
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
Replacing an MIB Board....................................................... 14
1.3
1.3.1
1.3.2
AIF (Automatic Intermittent Filtration) Board #1 Pin Positions.........16
1.3.3
AIF (Automatic Intermittent Filtration) Board #2Pin Positions.........17
1.3.4
1.3.5
Replacing an Actuator........................................................... 18
1.4
1.4.1
M2007 Computer Troubleshooting...........................................19
1.4.2
M2007 Useful Codes............................................................ 22
1.4.3
Get Mgr Flowchart............................................................... 22
1.4.4
M2007 Menu Summary Tree.................................................. 24
1.4.5
M2007 Pin Positions/Harnesses.............................................. 26
1.5
Loading and Updating Software.............................................. 27
1.5.1
1.5.2
1.6
Tech Mode......................................................................... 31
1.7
Fryer Setup Mode................................................................ 32
1.8
RTI Service Issues............................................................... 34
1.8.1
RTI MIB Tests..................................................................... 34
1.8.2
RTI LOV Wiring................................................................... 35
1.8.3
RTI LOV Test Quick Reference............................................... 36
1.9
Wiring Diagrams.................................................................. 37
1.9.1
1.9.2
LOV Electric Wiring Diagram with RTD..................................... 38
1.9.3
LOV Gas Wiring Diagram with Thermal Sensor.......................... 39
1.9.4
LOV Gas Wiring Diagram with RTD......................................... 40
Description
819xxxx
Page
rev. 12.7.2007
DECEMBER 2007

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  • Page 1: Table Of Contents

    RTI LOV Wiring…………………………………………………………. 35 1.8.3 RTI LOV Test Quick Reference……………………………………….. 36 Wiring Diagrams………………………………………………………… 37 1.9.1 LOV Electric Wiring Diagram with Thermal Sensor ……………….. 37 1.9.2 LOV Electric Wiring Diagram with RTD………………………………. 38 1.9.3 LOV Gas Wiring Diagram with Thermal Sensor…………………….. 39 1.9.4...

  • Page 2: Ato (Automatic Top-Off) Service Procedures

    1.1 ATO (Automatic Top-off) Service Procedures The automatic top-off system is activated when the oil level falls below a sensor in the rear of the frypot. The signal is sent to the ATO board to engage the solenoid to the frypot and turn on the ATO pump.
  • Page 3 Problem Probable Causes Corrective Action A. Verify that the auto top off power switch is switched on. The switch is located behind the JIB on the left side of the auto top off control box. B. Check to see that fryer is heating.

  • Page 4: Ato (Automatic Top-Off) Board #1 Pin Positions/Harnesses

    1.1.2 ATO (Automatic Top-Off) Board #1 Pin Positions (Current Prod with Thermal Sensors) Connector From/To Harness # Pin # Function Voltage Wire Color Output DV - Vat #1 Output FV - Vat #1 8074572 x1 (FV) Output DV - Vat #2 Solenoids Ground Orange...

  • Page 5: Ato (Automatic Top-Off) Board #2 Pin Positions/Harnesses

    1.1.3 ATO (Automatic Top-Off) Board #2 Pin Positions (Current Production with RTD) Connector From/To Harness # Pin # Function Voltage Wire Color Output DV - Vat #1 Output FV - Vat #1 8074572 x1 (FV) Output DV - Vat #2 Solenoids Ground Orange...

  • Page 6: Replacing The Ato Pump/Solenoid

    1.1.4 Replacing the ATO board or Transformer Disconnect the fryer from the electrical power supply. Locate the ATO box (see Figure 1 on page 12), behind the JIB (Jug In Box). Remove the cover to expose the transformer and ATO board (see Figure 2). Mark and unplug any wires or harnesses.

  • Page 7: Manually Draining

    Buttons and LED’s Manual – This button is used to toggle between auto and manual filtration mode. corresponding LED is lit when in Manual mode. When pressed, a message will be sent to all vats, indicating the mode has changed. The following buttons are inoperable in auto mode: Select - This button is used to scroll through available vats, choosing one to be manually filtered.

  • Page 8: Mib (Manual Interface Board) Troubleshooting

    1.2.2 MIB (Manual Interface Board) Troubleshooting Problem Probable Causes Corrective Action A. Ensure board “A” A. Check that MIB board is not automatic mode. Press the reset in manual mode. button. Auto filtration won’t B. Check to see that the MIB B.
  • Page 9 Problem Probable Causes Corrective Action A. Ensure the CAN bus system is terminated at BOTH ENDS (on the M2007 connector J6 and on the ATO board connector J10) with a resistor equipped 6-pin connector. The resistor can be shorted. If so, remove the shrink wrap and ensure that the resistor leads are not touching.

  • Page 10: Mib (Manual Interface Board) Pin Positions/Harnesses

    1.2.3 MIB (Manual Interface Board) Pin Positions and Harnesses Connector From/To Harness # Pin # Function Voltage Wire Color Ground Black CAN Lo CAN Hi White M2007 J7 8074546 Ground Black CAN Lo CAN Hi White AIF J4 8074547 5VDC+ 5VDC Black 24VDC...
  • Page 11 From RTI transformer 24VAC Black Common White To Waste Solenoid - 3 Way 24VAC Brown From RTI Box 24VAC RTI JIB Valve Fill Solenoid Green Ground - Fill Solenoid 0VDC – From RTI "Waste Tank Full Full Sensor" Test Pins 1 to 8 5VDC –...

  • Page 12: Mib (Manual Interface Board) Display Diagnostics

    1.2.4 MIB (Manual Interface Board) Display Diagnostics DISPLAY LEDS EXPLANATION Drain Vat # Drain led on Drain valve on vat # is open Vat # Drain led off Drain valve on vat # is closed Vat # Drain led slow blink Drain valve on vat # is opening or closing Vat # alternating with O Drain led fast blink...
  • Page 13 MIB (Manual Interface Board) Display Characters A – Auto Mode – Auto Filtration enabled. C – Closed Valve - The display will alternate between C and the corresponding vat number and the corresponding valve led is blinking. d – Drain Issue- The display will alternate between d and the corresponding vat number. This indicates the drain valve has a problem.

  • Page 14: Mib (Manual Interface Board) Auto Filtration Failure Scenarios

    1.2.5 MIB (Manual Interface Board) Auto Filtration Failure Scenarios Failure Display Solution Cannot open drain valve. Vat # alternating with O, fast Check drain valve. blinking drain LED. No message from the cooking Vat # alternating with d, fast Close drain valve. computer, indicating that the oil blinking drain LED.

  • Page 15: Aif (Automatic Intermittent Filtration) Service Procedures

    1.3 AIF (Automatic Intermittent) Filtration Service Procedures The AIF (Automatic Intermittent Filtration) board controls the actuators that open and close the drain and return valve. The AIF boards are located inside a protective housing, under each frypot (see Figure 11). Figure 11 1.3.1 AIF Troubleshooting Problem...
  • Page 16 1.3.2 AIF (Auto Intermittent Filtration) Actuator Board Pin Positions with Thermal Sensors Wire Connector From/To Harness PN Function Voltage Color Ret + (Open) 24VDC Black Ret – (Closed) 24VDC FV Return Actuator Ret Position Purple Ground White Ground White FV AIF RTD FV - Temp Ground White...
  • Page 17 1.3.3 AIF (Auto Intermittent Filtration) Actuator Board Pin Positions with RTD Sensor Wire Connector From/To Harness PN Function Voltage Color Ret + (Open) 24VDC Black Ret – (Closed) 24VDC FV Return Ret Position Purple Ground White Ground White FV AIF RTD FV - Temp Ground White...

  • Page 18: Replacing An Aif (Automatic Intermittent Filtration) Board

    1.3.4 Replacing an AIF (Automatic Intermittent Filtration) board Disconnect the fryer from the electrical power supply. Locate the AIF board to be replaced under a frypot. Mark and unplug the harnesses. The AIF board assembly is held in place with one screw in the front of the assembly (see Figure 12).

  • Page 19: M2007 Computer Filtration Service Procedures

    M2007 Computer Filtration Service Procedures 1.4.1 M2007 Computer Troubleshooting Problem Probable Causes Corrective Action A. Press the ON/OFF switch to turn A. Computer not turned on. the computer on. B. This fryer has two cords: a computer power cord and a main power cord.
  • Page 20 Problem Probable Causes Corrective Action A. Pull filter pan out and fully reinsert into fryer. B. Ensure the filter pan magnet is A. Filter pan is not fully set into fryer. in place and if missing replace. M2007 display C. If the filter pan magnet is fully B.
  • Page 21 Problem Probable Causes Corrective Action This indicates a problem within the M2007 display Problem with the temperature temperature measuring circuitry shows PROBE measuring circuitry including the that is beyond the scope of FAILURE. probe. operator troubleshooting. Swap the computer wiring harness M2007 display shows PROBE with one known to be good.

  • Page 22: M2007 Useful Codes

    If the desired scale is not displayed, repeat. Enter Tech Mode – Enter 1650. Readdress LOV configuration after changing an MIB board – Enter 2007. PASSWORDS Press and hold the TEMP and INFO buttons To enter level one, level two passwords: simultaneously until level 1 or level 2 is displayed.

  • Page 23: Get Mgr Flowchart

    1.4.3 Get Mgr Flowchart...

  • Page 24: M2007 Menu Summary Tree

    1.4.4 M2007 Menu Summary Tree Reflected below are the major programming sections in the M2007 and the order in which submenu headings will be found under the sections in the Installation and Operation Manual. Adding New Product Menu Items See pg. 4-12 Storing Product Menu Items in Product Buttons See pg.
  • Page 25 1.4.5 M2007 Pin Positions and Harnesses Connector From/To Harness PN Function Voltage Wire Color 12VAC In 12VAC Ground 12VAC In 12VAC FV Heat Demand V Relay 12VDC DV Heat Demand R/H B/L 12VDC Black Analog Ground L/H B/L 12VDC 8074199 Interface ALARM SMT Computer to...

  • Page 26: Loading And Updating Software

    It will not update. If this happens, contact Frymaster. 5. The period blinks several times while loading. Wait for a minimum of two minutes and the period in the display stays off.

  • Page 28: Loading Software From Sd Card To M2007 Computer

    1.5.2 Loading Software from an SD card to an M2007 Computer To update M2007 and ATO software in the field, follow these steps: 1. Switch all computers to OFF. With the computer displaying OFF, press the TEMP button to check current M2007/MIB/AIF software version. 2.

  • Page 30: Tech Mode

    1.6 Tech Mode Tech mode allows technicians to reset passwords set in levels one and two. It also resets the time and date. It also allows the technician to access the fryer main setup mode. 1. Press and hold simultaneously for TEN seconds until a third chirp is heard and CODE is displayed.

  • Page 31: Fryer Setup Mode

    1.7 Fryer Setup Mode Setup mode allows technicians to set the time, date, temperature format, language, fryer type, vat type and oil system. 1. With the computer displaying OFF, press and hold the TEMP and INFO buttons until LEVEL 1 is displayed. 2.
  • Page 32 22. Press the button to toggle between ENGLISH, FRENCH, FRENCH CANADIAN, SPANISH, PORTUGUESE, GERMAN and SWEDISH languages. 23. Press the (1) button to accept selection. 24. The computer displays FRYER TYPE on the left and eLEC on the right. 25. Press the button to toggle between ELECTRIC and GAS fryers.

  • Page 33: Rti Service Issues

    RTI Service Issues 1.8.1 RTI MIB Tests Normal measurements, measured on MIB J6 8 pin connector with everything connected. AC voltage measurements: Pin 1 to Pin 2 - 24 VAC. Pin 2 to Pin 3 - 24 VAC when RTI add pump is on, 0 VAC when it is off. Pin 4 to Pin 5 - 24 VAC when RTI waste valve is on, 0 VAC when it is off.

  • Page 34: Rti Lov Wiring

    1.8.2 RTI LOV Wiring with RTI Switchbox...

  • Page 35: Rti Lov Test Quick Reference

    1.8.3 RTI LOV TEST QUICK REFERENCE DISPOSE TO WASTE, REFILL POT FROM BULK: 1. Hold down “filter” button until computer beeps twice. 2. Scroll down to “dispose” using “Info" button then press “√” button to select. 3. Select “Yes” by pressing “√” to dispose of oil in pot (this is a timed function).

  • Page 36: Wiring Diagrams

    1.9 Wiring Diagrams 1.9.1 LOV Electric Wiring Diagram with Thermal Sensor RESET SWITCH...

  • Page 37: Lov Electric Wiring Diagram With Rtd

    1.9.2 LOV Electric Wiring Diagram with RTD...

  • Page 38: Lov Gas Wiring Diagram With Thermal Sensor

    1.9.3 LOV Gas Wiring Diagram with Thermal Sensor...

  • Page 39: Lov Gas Wiring Diagram With Rtd

    1.9.4 LOV Gas Wiring Diagram with RTD...

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