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CF SERIES GAS FRYERS

CHAPTER 6: OPERATOR TROUBLESHOOTING

6-3

6.2 Troubleshooting Fryers with Solid State (Analog), Digital, or CM III.5

Controllers (cont.)

PROBLEM

PROBABLE CAUSES

CORRECTIVE ACTION

CM III.5 will not go

into programming

mode. (cont.)

B. Failed controller.

B. If available, substitute controller

known to be good for suspect
controller (see Section 6.6). If
fryer operates normally, order
replacement controller from
FASC.

Setpoint incorrect.

Verify that setpoint has been
properly entered.

Temporary controller malfunction
caused by voltage surge.

Disconnect unit from electrical
power, wait at least one minute,
and reconnect unit to the power
supply.

CM III.5 displays

as it comes out of

melt cycle

Heating mode

indicator does not

come on at all.

Failed controller.

If available, substitute controller
known to be good for suspect
controller (see Section 6.6). If
fryer operates normally, order
replacement controller from
FASC.

Burner is not lit.

Refer to

Burner does not light

problem on the following page in
Sec. 6.3.

Heating mode

indicator is on but

fryer is not heating

properly.

Failed controller.

B. If available, substitute controller

known to be good for suspect
controller (see Section 6.6). If
fryer operates normally, order
replacement controller from
FASC.

Summary of Contents for CF

Page 1: ...nds using CFESA Certified Technicians PRINTED IN THE UNITED STATES 24 Hour Service Hotline 1 800 551 8633 www frymaster com Email service frymaster com 8195613 APRIL 2005 Series FMCF FMCFE FMCFEC MJCF MJCFE MJCFEC KJ3FC JCFX J3F J65X CF Series Gas Fryers Installation and Operation Manual ...

Page 2: ...PED WITH COMPUTERS U S This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation While this device is a verified Class A device it has been shown to meet the Class B limits CANADA This digita...

Page 3: ...ryers equipped with a filter system must be emptied into a fireproof container at the end of frying operations each day Some food particles can spontaneously combust if left soaking in certain shortening material WARNING Do not bang fry baskets or other utensils on the fryer s joiner strip The strip is present to seal the joint between the fry vessels Banging fry baskets on the strip to dislodge s...

Page 4: ...ogramming 3 5 CHAPTER 4 Filtration Instructions 4 1 Draining and Manual Filtering 4 1 4 2 Filter Magic II Filtration System Operation 4 3 Preparing the Filter Unit for Use and or Changing Filter Paper 4 3 Operation of the Filter Unit 4 6 CHAPTER 5 Preventive Maintenance 5 1 Fryer Preventive Maintenance Checks and Services 5 1 Daily Checks and Services 5 1 Weekly Checks and Services 5 2 Quarterly C...

Page 5: ...artment representative requires certain information about your equipment Most of this information is printed on a data plate affixed to the inside of the fryer door Parts orders must be placed directly with your local FASC or distributor Included with fryers when shipped from the factory is a list of Frymaster FASCs If you do not have access to this list contact the Frymaster Technical Service Dep...

Page 6: ...RNING boxes contain information about actions or conditions that may cause or result in damage to your system and which may cause your system to malfunction DANGER DANGER boxes contain information about actions or conditions that may cause or result in injury to personnel and which may cause damage to your system and or cause your system to malfunction 1 4 European Community CE Specific Informatio...

Page 7: ...s frypot quick and easy Fryers equipped with built in filtration systems are shipped completely assembled Fryers without built in filtration require installation of legs or optional casters at point of use All fryers are shipped with a package of standard accessories Each fryer is adjusted tested and inspected at the factory before crating for shipment Frypots are constructed of welded heavy gauge...

Page 8: ...ified installation personnel are individuals or firms corporations or companies which either in person or through a representative are engaged in and are responsible for the installation of gas fired appliances Qualified personnel must be experienced in such work be familiar with all gas precautions involved and have complied with all requirements of applicable national and local codes QUALIFIED S...

Page 9: ...nd record all visible loss or damage and ensure that this information is noted on the freight bill or express receipt and is signed by the person making the delivery 3 Concealed loss or damage that was unnoticed until the equipment was unpacked should be recorded and reported to the freight company or carrier immediately upon discovery A concealed damage claim must be submitted within 15 days of t...

Page 10: ... this manual and local or national codes or regulations installation and operation shall comply with the codes or regulations in force in the country in which the equipment is installed DANGER Building codes prohibit a fryer with its open tank of hot oil being installed beside an open flame of any type including those of broilers and ranges Upon arrival inspect the fryer carefully for visible or c...

Page 11: ...to the intake of the exhaust fan and the fryer must never have its flue extended in a chimney fashion An extended flue will change the combustion characteristics of the fryer causing longer recovery time It also frequently causes delayed ignition To provide the airflow necessary for good combustion and burner operation the areas surrounding the fryer front sides and rear must be kept clear and uno...

Page 12: ...ical shock it must be plugged directly into a properly grounded three prong receptacle Do not cut remove or otherwise bypass the grounding prong on this plug DANGER This equipment requires electrical power for operation Place the gas control valve in the OFF position in case of a prolonged power outage Do not attempt to use the equipment during a power outage FCC COMPLIANCE The user is cautioned t...

Page 13: ...n your accessory package 2 3 Pre Connection Preparations DANGER Do not connect this appliance to the gas supply before completing each step in this section After the fryer has been positioned under the fry station exhaust hood ensure the following has been accomplished 1 Adequate means must be provided to limit the movement of fryers without depending upon the gas line connections If a flexible ga...

Page 14: ...ay indicates c Place the fryer power switch in the OFF position Verify that the power and heat lights are out or that the display is blank 5 Refer to the data plate on the inside of the fryer door to verify that the fryer burner is configured for the proper type of gas before connecting the gas line quick disconnect device or piping from the gas supply line 6 Verify the minimum and maximum gas sup...

Page 15: ... fryer has received the CE mark for the countries and gas categories indicated in the table below BE I2E S I3P G20 G25 G31 20 25 37 DE I2 ELL 13P G20 G25 G31 20 50 FR II2Esi3P G20 G25 G31 20 25 37 ET 50 LU I2E G20 G25 20 25 ES II2H3P G20 G31 20 37 ET 50 NL II2L3P G25 G31 25 50 IE PT GB II2H3P G20 G31 20 37 CE Approved Gas Categories Country Category Gas Pressure mbar DK GR IT I2 H G20 20 The size ...

Page 16: ...e gas supply line at the rear of the unit When using thread compound use very small amounts on male threads only Use a pipe thread compound that is not affected by the chemical action of LP gases Loctite PST567 sealant is one such compound DO NOT apply compound to the first two threads Applying compound to the first two threads will cause clogging of the burner orifices and control valve 2 Open th...

Page 17: ... Gas Pressure Natural 3 5 W C 0 85 kPa LP 8 25 W C 2 05 kPa Non CE Standard Burner Manifold Gas Pressures Gas Pressure mbar Natural Gas Lacq G20 under 20 mbar 7 5 Natural Gas Gronique G25 under 25 mbar 10 Natural Gas Gronique G20 under 20 mbar 10 Propane G31 under 37 or 50 mbar 14 9 CE Standard Burner Manifold Gas Pressures Belgian G25 7 0 mbar 5 Check the thermostat calibration or temperature pro...

Page 18: ...termine the conversion kit appropriate for your configuration and altitude Contact your local FASC to order the kit and arrange for installation CE Gas Conversion Instructions 1 Between G20 and G25 type Natural Gas adjust the gas pressure at the regulator Refer to the CE Standard Burner Manifold Gas Pressure Chart Do not change the orifice or pilot 2 Between a 2nd family gas G20 or G25 and a 3rd f...

Page 19: ...egulator and orifices kit P N 826 1478 Natural G20 G25 to Propane G31 Regulator only P N 810 1292 Pilot regulator and orifices kit P N 826 1204 Non CE Only Propane G31 to Natural G20 G25 Regulator Conversion Kit P N 807 1849 Pilot regulator conversion kit and orifices kit P N 826 1748 Propane G31 to Natural G20 G25 Regulator Conversion Kit P N 807 1846 Pilot regulator conversion kit and orifices k...

Page 20: ... system particularly the aspects of oil filtration draining and cleaning procedures CAUTION The cooking oil shortening capacity of the CF Series fryer is 80 pounds 43 liters at 70 F 21 C Before lighting the fryer make sure the fryer is OFF and the frypot drain valve is closed Remove the basket support rack if installed and fill the frypot to the bottom OIL LEVEL line If solid shortening is being u...

Page 21: ...to the PILOT position see Figure 1 Lighting the Pilot OFF ON PILOT OFF ON PILOT Figure 1 Figure 2 2 Push the knob in and light the pilot If the fryer is equipped with a piezo ignitor repeatedly press the piezo ignitor button while depressing the gas valve knob until the pilot lights Continue to hold the knob in for about 60 seconds after the flame appears on the pilot Release the knob The pilot sh...

Page 22: ...n the button is released wait at least 5 minutes then repeat this step PLACING THE FRYER INTO OPERATION CAUTION If this is the first time the fryer is being used after installation refer to Section 3 2 Boiling Out the Frypot non KFC co branded locations For units equipped with Thermostat Controls non KFC co branded locations Place the Melt Cycle switch if so equipped to the ON position Set the the...

Page 23: ...d out before first use Frymaster recommends boiling out the frypot each time the oil or shortening is changed Boil out is not allowed at KFC co branded locations DANGER Never leave the fryer unattended during the boil out process If the boil out solution boils over turn the fryer off immediately and let the solution cool for a few minutes before resuming the process To lessen the chance of boil ov...

Page 24: ...e Step 2 8 After the solution simmers for 1 hour all except Thermostat or Solid State Analog Controller See Step 2 turn the fryer off allow the solution to cool and then add 2 gallons 8 liters of cold water and stir Drain the solution into a suitable container and clean the frypot thoroughly WARNING Do not drain boil out solution into a shortening disposal unit a built in filtration unit or a port...

Page 25: ... at closing time place the fryer power switch in the OFF position place the gas valve in the OFF position and put the frypot covers in place if the fryer is so equipped 3 4 Controller Operation and Programming CF Series fryers can be equipped with Computer Magic CMIII 5 computers KFC 1 computers Basket Lift Timers Digital Controllers Solid State Analog Controllers or Thermostat Controllers Operati...

Page 26: ...pot will severely damage the frypot and void warranties DANGER Allow oil to cool to 100 F 38 C or lower before draining to an appropriate container for disposal If the fryer is not equipped with built in filtration the oil must be drained into another suitable container For safe convenient draining and disposal of used oil Frymaster L L C recommends the use of the Frymaster shortening disposal uni...

Page 27: ...a leaky valve 4 After draining the oil clean all food particles and residual oil from the frypot If the fryer is equipped with a float switch clean it at this time The float switch prevents frypot damage in the event the power switch is not OFF while draining used oil The float switch must be cleaned on a regular basis to ensure proper operation Use caution as frypot residue can cause severe burns...

Page 28: ...t your system operates as intended DANGER The crumb tray in fryers equipped with a filter system must be emptied into a fireproof container at the end of frying operations each day Some food particles can spontaneously combust if left soaking in certain shortening material PREPARING THE FILTER UNIT FOR USE AND OR CHANGING FILTER PAPER 1 Slide the filter unit from the cabinet and remove the crumb t...

Page 29: ...ation Replace the filter paper support screen removed in Step 2 NOTE Failure to replace the paper support screen prior to paper installation will result in filter system malfunction 4 Lay one sheet of filter paper over the top of the filter pan overlapping on all sides 5 Position the hold down ring over the filter paper and lower the ring into the pan allowing the paper to fold up around the ring ...

Page 30: ... cont 6 Sprinkle filter powder over the filter paper For powder quantity see the filter powder manufacturer s instructions 7 Replace the crumb tray in the filter pan 8 Install the filter into the cabinet Ensure the pan connection securely connects to the cabinet connection The system is ready for filtering ...

Page 31: ... The filter pan is designed to hold the contents of one frypot ONLY NEVER attempt to clear a clogged drain valve from the front of the valve Hot oil will rush out creating the potential for severe burns DO NOT hammer on the drain valve with the cleanout rod or other objects Damage to the ball inside will result in leaks and will void the Frymaster warranty 2 When the frypot is empty use a long han...

Page 32: ...pump and begin the filtering process There may be a slight delay before the pump activates 4 Oil will flow through the Power Shower rinsing debris from the frypot Continue circulating oil through filter for 5 minutes 5 After the oil is filtered close the drain valve and allow the fryer to refill When bubbles appear in the oil allow the filter to run 10 to 12 seconds longer to clear the lines and p...

Page 33: ... the fryer on If the drain valve is not fully closed the controller will display an error message or a trouble light and the fryer will not operate WARNING The filter pump is equipped with a manual reset switch in case the filter motor overheats or an electrical fault occurs If the thermal overload switch trips turn off power to the filter system and allow the pump motor to cool 20 to 45 minutes b...

Page 34: ...process or when the frypot is filled with hot oil If water comes in contact with oil heated to cooking temperature it can cause spattering which can result in severe burns to nearby personnel WARNING Use a commercial grade cleaner formulated to effectively clean and sanitize food contact surfaces Read the directions for use and precautionary statements before use Particular attention must be paid ...

Page 35: ...atch or a watch with a second hand and a good grade thermometer or pyrometer is required Turn the fryer on and set the controller to cooking temperature Place the thermometer or pyrometer in the frypot When the frypot reaches 250 F 121 C start the stopwatch or record the time When the temperature reaches 300 F 149 C stop the stopwatch or record the time Clean Float Switch and Shaft If the fryer is...

Page 36: ...g 2 Set the temperature control knob to frying temperature 3 Let the burner cycle on and off automatically three times in order for the oil temperature to become uniform If necessary stir to get all shortening in the bottom of the frypot melted 4 Insert a good grade thermometer or pyrometer probe into the oil with the end touching the fryer temperature probe 5 When the burner starts for the fourth...

Page 37: ...Point Accuracy NOTE This check applies only to units equipped with Computer Magic III 5 Controllers 1 Insert a good grade thermometer or pyrometer into the oil with the end touching the fryer temperature probe 2 When the computer displays with no red dot between the first and second dashes indicating that the frypot contents are within the cooking range press the switch once to display the tempera...

Page 38: ...the filter pan screen is on the bottom of the filter pan with the paper on top of the screen If the filter screen and paper are correctly installed change the filter paper and verify that the O rings on the connection fitting located inside the cabinet at the back are present and in good condition NOTE With fresh paper and properly installed O rings the system should refill the fryer in 2 to 3 min...

Page 39: ...ed Verify that the burner manifold pressure is in accordance with that specified on the appliance s rating plate Verify that the temperature and high limit probes are properly connected tightened and functioning properly and that probe guards are present and properly installed Verify that component box components i e computer controller transformers relays interface boards etc are in good conditio...

Page 40: ...ump activates and that bubbles appear in the oil or that gurgling is heard from the Power Shower port of the associated frypot Close all oil return valves i e place all oil return handles in the OFF position Verify proper functioning of each oil return valve by activating the filter pump using the lever on one of the oil return handle microswitches No air bubbles should be visible in any frypot or...

Page 41: ...ea of why a problem has occurred Part of your corrective action involves taking steps to ensure that it doesn t happen again If a controller malfunctions because of a poor connection check all other connections while you re at it If a fuse continues to blow find out why Always keep in mind that failure of a small component may often be indicative of potential failure or incorrect functioning of a ...

Page 42: ... known to be good for suspect controller If fryer operates normally order replacement controller from FASC Solid state analog controller power and trouble lights on but heat light is not OR CM III 5 display shows Failed controller If available substitute controller known to be good for suspect controller If fryer operates normally order replacement controller from FASC Unit stays in melt cycle con...

Page 43: ...y voltage surge B Disconnect unit from electrical power wait at least one minute and reconnect unit to the power supply CM III 5 displays as it comes out of melt cycle OR Heating mode indicator does not come on at all C Failed controller C If available substitute controller known to be good for suspect controller see Section 6 6 If fryer operates normally order replacement controller from FASC A B...

Page 44: ...st be replaced Call FASC Fryer never reaches frying temperature Failed thermostat or thermostat out of calibration Isolating the problem requires additional troubleshooting beyond the scope of operator troubleshooting Call FASC Pump won t start OR Pump stops during filtering A Thermal overload switch has tripped on an overheated motor Test If the pump stopped suddenly during the filtering process ...

Page 45: ...ockage Test Close the drain valve Place the filter handle in the OFF position allow the pump to cool for at least 45 minutes and then press the reset button on the pump motor Pull the filter pan from the unit and then activate the pump If the pump motor hums and then stops the pump is blocked C Pump blockages are usually caused by sediment build up in the pump due to improperly sized or installed ...

Page 46: ...e wire If unable to remove the blockage call FASC Pump starts but no transfer takes place or the transfer is very slow cont C Improperly installed or prepared filter pan components C Verify that filter connection O rings are present and in good condition Replace the filter paper ensuring that the filter paper support screen is properly positioned under the paper A Plugged openings or solidified sh...

Page 47: ...sure is too high B Gas valve vent tube clogged C Gas valve regulator defective A Call FASC to adjust pressure to recommended standard B Remove and clean vent tube and reinstall C Call FASC to replace gas valve Fryer is operating normally but flames are rolling out of the front of the burner Obstructed gas valve vent tube Shut the fryer down and clean the gas valve vent tube in accordance the instr...

Page 48: ...n from the top allowing it to rest on its hinge tabs 4 Disconnect the wiring harness from the back of the controller and if replacing the harness disconnect it from the interface board arrows 5 If replacing the controller disconnect the ground wire and the 15 pin connector arrows and then remove the controller by lifting it up and out from the hinge slots in the control panel frame 6 Reverse the p...

Page 49: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 50: ...port Louisiana 71135 1000 Shipping Address 8700 Line Avenue Shreveport Louisiana 71106 TEL 1 318 865 1711 FAX Parts 1 318 219 7140 FAX Tech Support 1 318 219 7135 Price 12 00 PRINTED IN THE UNITED STATES SERVICE HOTLINE 1 800 551 8633 819 5613 APRIL 2005 ...

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