9123540_service manual HR8+8P Mexico.indb
Contents
1. 74 USYNSYJOOJB ABOZSNI AOSZSNI 85 vsn ogln 00s8 4 8 915 11004 pu9jsog N 9 2 Q SSS 666 56 6 G vynpojd dod 9004 8 62 HRB Circuit Diagram Page 33 ELECTRICAL DIAGRAMS ELECTRICAL DIAGRAMS N 52 5 71 xv4 2 L ZL xon LLYM 005 LLYM 005 SYSLV3H rev 05 2007 Service Manual HRB P form 9123540 ELECTRICAL DIAGRAMS 37 TT 2 fri jado 91340225 rev 05 2007 while Mt white o 5 Fuse 10 HRB Wiring Diagram JHe 21 8 06 3100 W 1 6 6 5 7 58 302. 16 element mene 17 eaten 17 Door adjustment 18 Door glass 18 Doorglass outside 19 Electrical tests and service 20 PI5OU Sensor teste t v u va o 20 Heating lenie O 20 oo o 21 Control 22 Part 1 General troubleshooting 23 Troubleshooting the HR8 P Rotisserie 23 Part 2 Analytic troubleshooting list 24 Servicing and repairing of the rotisserie 24 Exploded views 8 ko 28 plecirical diagrams 33 Service Manual HRB P form 9123540 05 2007 Page 3 fri jado GENERAL TECHNICAL DATA This manual covers the HRB series rotisserie ovens Ovens will also be delivered in stacked versions e HR8 Oven with eight spits 32 to 40 chickens All of th
3. 2 5 Optional settings for the HRB 7 Removal and replacement of parts for the HRB 2 9 9 a 9 EE 9 panel aenn creas 10 CME 10 11 Panel and keypad creer de 11 hlamiepanel 11 12 Halogen Lamp 12 Electronic 13 cas T 13 14 14 COMO GIO 15 15 Blower motor bottom rotisserie stacked HRB 16 PTO
4. Ik rape per 38 4 6 is 8 19 22 TONES SLA A i a M A o N int c Ni BS N 0 G T N M i zs U Ole gt gt 2 J 194 ol Pil 1 z ale al v al BE 15 ji 7 36 1 50 c2 2 55 12 whi TIR Service Manual HRB form 9123540 9909609 34 fri jado EMPTY PAGE Service Manual HRB P form 9123540 05 2007 fri jado 77 tri jado worldwide retail solutions Fri Jado Inc 180 Kehoe Blvd Carol Stream Ill 60188 USA tel 630 784 3469 fax 630 784 1650 toll free 877 FRI JADO us info frijado com www frijado com Service Manual HRB P form 9123540 05 2007
5. DOOR GLASS INSIDE 1 Lift the door upward out of the hinges and place on a table 2 Remove the cap nuts and rings on the profiles of the door 3 Remove the profiles from the glass 4 Mount the profiles on the new glass Do not forget the nylon rings inside the holes and the rings between metal and glass 5 Mount the cap nuts and rings Note Tightening of nuts max 4 2Nm 3 1 6 Place the door in the hinges Page 18 Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT OF PARTS 44 fri jado DOOR GLASS OUTSIDE 1 Lift the inner door out of the hinges and lay aside 2 Remove the left side panel according prior pro cedure 3 Remove the 2 nuts behind the top hinge The door must be closed 4 Hold the door on both sides and move this towards yourself before lifting it out of the hinges Place the door with the rounded side down on a table 5 Remove the screws cap nuts and rings on the profiles of the door and remove the profiles 6 Mount the profiles on the new glass Do not forget the nylon rings inside the holes and the rings between metal and glass 7 Reverse the procedure to install Page 19 Service Manual HRB P form 9123540 05 2007 ELECTRICAL TESTS AND SERVICE PROCEDURES fri jado ELECTRICAL TESTS AND SERVICE PROCEDURES WARNING Disconnect the electrical power to the machine at the main circuit box Place a tag on the circuit box indi
6. 47 INSTRUMENT PANEL Remove the right side panel according prior procedure Remove the knobs according prior procedure Remove the screw that secures the panel Remove the 2 bolts the backside of the instrument panel Remove the screws that secure the meat probe holder and remove the holder supplied Remove the flatcable on the power section Remove the clip on the back top left side that secures panel and frame Remove the instrument panel Reverse the procedure to install Remove the instrument panel according prior procedure Remove on the front side the screws that secure the panel Remove on the inside bottom of the elec tric panel the bolt and nuts Disconnect the wiring Slide the electrical panel backwards Reverse the procedure to install Page 10 Service Manual HRB P form 9123540 rev 05 2007 REMOVAL AND REPLACEMENT OF PARTS 44 DISPLAY 1 Remove the right side panel according prior procedure 2 Disconnect the flatcable on the display 3 Remove the clip on the back top left side that secures panel and frame 4 Remove the nuts and washers on the backside of the display and remove the metal cover 5 Remove the nuts and plastic rings that secure the board and remove the board Do forget to disconnect the blue connector on the board 6 Reverse the procedure to install PANEL A
7. change the wiring if necessary Page 15 Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT OF PARTS 77 fri jado BLOWER MOTOR BOTTOM ROTISSERIE STACKED HR8 1 Remove the right side panel according prior procedures 2 Remove the rotor discs suction and fan plate in the bottom oven 3 Remove the wing nut on the fan blade and remove fan blade Left handed threads 4 Remove fat drawer from upper oven 5 Remove the bolts that secure the intermediate plate and remove this plate 6 Remove the drip trays from the upper oven 7 Remove the bolts that secure the top plate and remove the top plate 8 Disconnect wiring of the motor 9 Remove the screws that secure the motor and remove the motor 10 Reverse the procedure to install Note The blowers are equipped with a capaci tor Check the direction of rotation of the motor clockwise and change the wiring if necessary PT500 SENSOR 1 Remove the right side panel according to prior procedure 2 Disconnect the wiring of the sensor 3 Remove the screw that secures the sensor and remove the sensor 4 Reverse the procedure to install Note The wiring cable is an insulated cable with an earthing screen Page 16 Service Manual HRB form 9123540 rev 05 2007 REMOVAL AND REPLACEMENT OF PARTS fri jado HEATING ELEMENT 1 Remove the rotor discs right side panel suc tion and
8. the oven and guide it outside through the ope ning In the side wall 4 Remove the screws on the electric panel that secure the thermostat 5 Remove the thermostat and disconnect the wiring 6 Reverse the procedure to install Note Set the new high limit thermostat to its maximum position MAIN SWITCH 1 Remove the instrument panel according prior procedure 2 Loosen the screws on the electric panel that secure the switch 3 Remove the switch and disconnect the wiring 4 Reverse the procedure to install Page 14 Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT OF PARTS fri jado CONTACTOR 1 Remove the right side panel according prior procedure 2 the lead wires to the contactor 3 Push down on the locking tab and lift out and then up to remove it from the mounting brac ket 4 Reverse the procedure to install BLOWER MOTOR 1 Remove the right side panel and the top cover according to prior procedures 2 Remove the rotor discs suction and fan plate in the oven 3 Remove the wing nut on the fan blade and remove fan blade Left handed threads 4 wiring of the motor 5 Remove the screws that secure the motor and remove the motor 6 Reverse the procedure to install Note The blowers are eguipped with a capaci tor Check the direction of rotation of the motor clockwise and
9. 9 39 10 39 12 Service Manual HRB form 9123540 74 70535 72054 2 4 2 4 2 2 2 4 4 4 4 4 4 4 4 31 05 2007 44 5 1 9172258 2 3 5 5 2000072 9044140 10802 72043 7204 10242 10276 72021 72037 701026 71078 3701052 9044650 72065 72066 74162 89966 7468 88320 72049 74131 72300 71014 74398 0 N N N N 7 7 3 4 N N 42 0 N i N 10250 72113 0141 72052 71018 51010 72252 N N 4 N A A N o 2 2 4 2 53 55 S 7 o 2 05 zs e 8 8 0 2 93 CE 104 108 32 EXPLODED VIEWS AND PARTLISTS Rotor disc right coated incl support pins Service Manual HRB P form 9123540 05 2007 44 7880116 zau 10 3 2121 02333 0 8 096 snajsog
10. HR8 When the main switch 15 turned to 1 the dis play lights up and the rotisserie is ON Page 5 Service Manual HRB P form 9123540 05 2007 tri jado SETTING ACTUAL TIME Press and hold Time of day key Press Up or Down key Release Time of day key ENTERING A PROGRAM Select Program number 010101010 TOOU Press both Up and Down keys during 2 seconds FIRST COOKING STEP TEMP Press and hold the Tempe rature key Press Up or Down key Page 6 15 PROGRAMS After the unit is switched on the time display indica tes 15PR Key 1 program 01 2x program 06 3x program 11 Key 2 program 02 2x program 07 3x program 12 FIRST COOKING STEP TIME Press Cooking process key Cooking symbol lights up Press and hold the Time key Press Up or Down key SECOND COOKING STEP TIME Press Grilling process key Grilling symbol lights up Press and hold the Time key Press Up or Down key Service Manual HRB P form 9123540 05 2007 4 tri jado TEMPERATURE HOLD Press Temperature Hold process key SECOND COOKING STEP TEMP Press and hold Tempera ture key Temperature Hold symbol lights Up Press Up or Down key Press and hold the Tempe rature key Press Up or Down key PROGRAM START LOADING Press Start Stop key LOADING PROGRAM Press progra
11. ND KEYPAD ASSEMBLY 1 Remove the instrument panel according prior procedure 2 Remove the display according prior procedure 3 Remove the nuts that secure the panel with foil and remove panel 4 Reverse the procedure to install 1 Remove the instrument panel according prior procedure 2 Remove the 4 nuts that secure the panel and remove panel 3 Reverse the procedure to install Page 11 Service Manual HRB P form 9123540 05 2007 fri jado REMOVAL AND REPLACEMENT PARTS CERAMIC ELEMENT 1 Remove the rotor discs suction fan plate according prior procedures Remove the 3 screws that secure the reflector ass and lower the reflector Loosen the bolts that secure the cover plate and turn the cover plate open towards yourself Lower the reflector until the connector is on the inside of the cabinet Remove the wiring of the ceramic element on the connector Remove the ceramic element from the reflector by sliding off the clip Reverse the procedure to install Note On a single unit or on the top side of a stacked unit it is easier to remove the top plate and access the connector from this side HALOGEN LAMP HOLDER Page 12 1 Remove the screws that secure the lamp holder Lower the lamp holder until the connector is on the inside of the cabinet Remove the glass and lamp from the lamp holder Turnin
12. SERVICE MANUAL 8 8 Solid Back MODELS Programmable controls HR8 af y Model HR8 HR8 P NOTICE This manual is prepared for the use of trained Service Technicians and should not be used by those not properly qualified If you have attended a trianing for this product you may be qualified to perform all the proce dures in this manual This manual is not intended to be all encompassing If you have not attended a training for this product you should read in its entirety repair procedure you wish to perform to determine if you have the necessary tools instruments and skills required to perform the procedure Procedures for which you do not have the necessary tools instruments and skills should be performed by a trained technician Reproduction or other use of this Manual without the express written consent of Fri Jado is prohibited 77 tri jado worldwide retail solutions WWW FRUADO COM Service Manual HRB P form 9123540 05 2007 fri jado EMPTY PAGI Page 2 Service Manual HRB P form 9123540 05 2007 47 tri jado INDEX A 3 oa 4 Technical Data 5 Standard Models ee 4 Programming instructions for the
13. Sheet Work Service Manual HRB P form 9123540 05 2007 Page 28 2 N N N N 2 6 e 2 2 _ aa 56 s a 82 98 2 1 102 70421 70531 9 9 9170544 004 N 67519 Qt 2 2 4 2 16 1 1 2 Service Manual HRB P form 9123540 EXPLODED VIEWS AND PARTLISTS 44 Drain tap with handle Page 29 rev 05 2007 EXPLODED VIEWS AND PARTLISTS 44 4 18 L HR8 HR8 Components Service Manual HRB form 9123540 05 2007 Page 30 11 N 4 34 1 34 2 34 5 34 6 34 7 34 8 34 9 34 10 34 11 34 12 34 15 34 16 7 38 1 38 2 38 3 38 4 38 5 38 6 38 7 38 8 38 9 74162 e EN 0 4 029 9174632 2 EXPLODED VIEWS AND PARTLISTS 44 fri jado 38 10 38 11 39 6 39 7 39 8 39 9 39 10 39 11 39 12 41 414 tem 28 ESN 342 345 34 6 347 348 349 3410 34 12 34 16 381 384 385 38 6 387 388 389 3810 38 11 39 393 4 395 39 6 397 398 39
14. all contacts Check he contacts of the switch Service Manual HR8 P form 9123540 05 2007 Page 25 TROUBLESHOOTING 47 tri jado Contactor Contactor doesn t come in Wiring Check the wiring Coil malfunction Check resistance of the coil This should be 5250 Check the contacts of the contactor Contact burned Check the thermostat see safety thermostat Thermostat malfunction Keypad on No possibility to make a Permanent contact of Check key functions display program more mem Check functions of keypad See table on page 21 brane keys Check grey flat cable connection Some keys don t func Check green flat cable connection tion Check functions after connecting a new grey flat cable Display and No illumination on display Wiring Check the wiring power board Some function doesn t work or stay activated No possibility to make a program Fuse burned Flat cable Display malfunction Power board malfunction Relay malfunction Power board malfunc tion Check the power on the board Check the 63 mA fuse on the power board Repla cing of fuse for 100 mA is permitted Check grey flat cable connection Check functions after connecting a new grey flat cable Check power to display on connector J1 of power board 5V DC between pin 30 and 32 or between 31 and 33 Check functions after connecting a new display board Check functions afte
15. cates a resistance less than 200 Ohms Page 21 ELECTRICAL TESTS AND SERVICE PROCEDURES fri jado CONTROL LOCATION DISPLAY PROGRAMMABLE 2 CONTROLS ROTOR PROCES INDICATORS KEYS INDICATOR 4 A START STOP UP 008 WARM HOLE BO 7 PROCESS DOWN PROGRAM COOKING GRILL END PROCESS PROCESS PROGRAM INDICATORS PROGRAM MAIN SWITCH DIAL Page 22 Service Manual HRB P form 9123540 rev 05 2007 TROUBLESHOOTING Zz ri jado PART 1 GENERAL TROUBLESHOOTING LIST TROUBLESHOOTING THE ROTISSERIE No power to oven controls Main fuse or breaker blows Drive motor does not run in program mode Blower motor does not run Oventemperature differs from temperature setting in program mode All heating elements out halogen lamps and blowers operate while oven cavity is below set temperature Oven temperature does not reach desired temperature in program mode No display and or keypad does not function Halogen lamp s do not light up Service Manual HRB P form 9123540 05 2007 1 2 3 4 1 2 Main breaker open Fuse F1 burned Main switch malfunction Wiring loose Wiring incorrectly Heating element drive motor blower or contactor switch shorted 3 Wiring shorte
16. cating the circuit is being serviced Follow OSHA Lockout Tagout procedures PT500 SENSOR TEST 1 Remove the right side panel according prior E procedure 2 Remove the wiring from the sensor oe 3 Connect a temperature sensor to the probe for comparison 4 Test the probe with Ohmmeter HEATING ELEMENT TEST 5 10 resistance of the element HRB 3100 208 14 0 14 9 2 remove the wiring HR8 P 500 230 105 0 2 2 2 0 at 208V Page 20 Service Manual HRB P form 9123540 05 2007 ELECTRICAL TESTS AND SERVICE PROCEDURES 44 ti jado KEYPAD TEST PINS PINS PINS PINS PINS 11 4 11 5 11 6 11 7 11 8 PINS 1 PINS PINS 1 8 10 8 123456789101 165 5707 3 KEYPAD PLUG PIN IDENTIFICATION Service Manual HRB P form 9123540 05 2007 1 Remove the instrument panel according prior procedure Remove the display according prior procedure Remove the nuts that secure the panel with foil and remove panel Use a multimeter to test Connect the measuring pins to the cable plug pins for each key to be tested as indicated in the dia gram You can set the multimeter on a beep signal or set it on resistance measuring Press the key to be tested and the meter should give a beep signal or indi
17. d Main braker LI or L2 open also no readings on display Fuse burned also no readings on display Capacitor malfunction Wiring loose Main switch malfunction Motor malfunction Capacitor malfunction Wiring loose Motor inoperative Safety thermostat malfunction Blower motor s inoperative turning direction Electronic control inoperative PT 500 sensor malfunction Dirty fanguard or fanblade s Safety thermostat malfunction Contactor inoperative Wiring loose Safety thermostat malfunction PT 500 sensor malfunction Electronic control inoperative Heater s inoperative Incorrect line voltage Loose flatcable from display to electronic control Fuse F4 63mA burned Fuse FI or F2 burned Display and or electronic control malfunction Lamp s broken Wiring loose Transformer malfunction Page 23 fri jado TROUBLESHOOTING PART 2 ANALYTIC TROUBLESHOOTING LIST SERVICING AND REPAIRING OF THE ROTISSERIE HR8 P This is an analytic description for servicing and repairing all major parts of the rotisseries and warmers It consists off 4 basic steps to recognize and solve the problems These steps are 1 Symptoms 2 Possible causes 3 Solving of the problem checking action 4 Replacing of pars and testing a Replacing is described in the service manual b For testing see programming of rotisserie o
18. e information illustrations and specifications contained in this manual are based on the latest product information available at the time of printing TECHNICAL DATA U S STANDARD MODELS Type HR8 P HR8 P Power 10500W Fuses needed with power connection 3x 35 A 208 V 60 Hz 3 phases without zero Fuses needed with power connection 208 V 1N 60 Hz 1 phase with zero NEMA 15 50P Recommended plug Stacked HRB cabinets each cabinet comes with separate power Net weight 399 lbs 181 kg Gross weight 478 lbs 217 kg Height 40 1015 mm Width 38 13 16 985 mm Depth 33 1 2 850 5 Standard set of tools Metric wrenches sockets and hex socket key wrenches VOM with current tester any with a sensitivity of at least 20 000 ohms per volt be used Insulation value tester Megger Temperature tester TL 84919 Field Service Grounding Kit Page 4 ja Service Manual HRB form 9123540 05 2007 47 tri jado PROGRAMMING INSTRUCTIONS FOR THE HRB DISPLAY AND KEYS Time Display Temperature Display Cooking indicator Program indicators Grill indicator P Temperature hold indicator rogram keys Buzzer key Start Stop Probe key Rotor key Time of day Temperature key Program end Up Down key Time key Temperature hold process Second grilling step First grilling step SETTING THE
19. fan plate according prior procedures 2 Disconnect the wiring from the element 3 Remove the mounting nut 4 Remove the element from the mounting clip and pull it from the wall 5 Reverse the procedure to install DRIVE MOTOR ke 1 Remove the right side panel and rotor discs ac cording prior procedure 2 Disconnect the wiring of the motor Check where the wire marked A is connected 3 Remove the screws that secure the fan cover and remove the cover 4 Set the drive arm in a position vertical down wards This can be done manually or by tur ning the fan blade by hand 5 Mark the position of the motor support with a marker 6 Remove the bolts that secure the motor and the nuts that secure the motor support and remove the motor 7 Check the white Teflon ring Replace if neces sary 8 Install the fan blade on the new motor 9 Reverse the procedure to install Note Always make a test run on maximum tem perature to insure the motor is well mounted and adjusted Page 17 Service Manual HRB P form 9123540 rev 05 2007 REMOVAL AND REPLACEMENT OF PARTS 77 fri jado DOOR ADJUSTMENT LEFT SIDE 1 Remove the left side panel according prior pro cedure 2 Loosen the nuts of the upper hinge The door must be closed 3 Loosen the locknut and adjust the bolt in or out to adjust the door 4 Tighten the nuts of the hinge and mount the left hand panel
20. g direction of glass is counter clockwise Remove the wiring of the lamp on the tor Remove the holder You have to deform the holder to take it out Insert a new holder and click this in Reverse the procedure to install Note On a single unit or on the top side of a stacked unit it is easier to remove the top plate and access the connector from this side Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT OF PARTS fri jado ELECTRONIC TRANSFORMER 1 Remove the right side panel according prior procedure 2 Remove the screw that secures the cover plate and remove the cover plate 3 Remove the wiring 4 Remove the screw that secures the transformer and remove the transformer 5 Reverse the procedure to install 1 Remove the right side panel according prior procedure 2 Disconnect wiring and flatcable on the board 3 Remove the board from the clips by pressing the clips together 4 Reverse the procedure to install Note When installing new board ensure that JP3 and JP4 on new board are set the same as on the old board Page 13 Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT PARTS 47 HIGH LIMIT THERMOSTAT 1 Remove the right side panel according prior procedure 2 Remove the suction and fan plate on the inside of the oven 3 Remove the thermostat probe from the clip in
21. ge 20 PT sensor Temperature indication on No connection bet Check the wiring display runs up very fast and ween wires Check thin wire on sensor over the maximum of 250 C 482 F 290 C 550 F in 20 seconds Temperature indication on Full contact between Check the wiring display doesn t go up and wires of sensor stays on Prh Short circuit in sensor Measure resistance of sensor This is zero Rotisserie doesn t reach adjus Malfunction sensor Measure resistance of sensor with a thermometer ted temperature probe next to the sensor See table in service ma nual Sensor not in right position Check position of sensor Temperature indication on Malfunction sensor Measure resistance of sensor See table on page 20 display runs up too fast Safety ther Contactor doesn t come in Wiring Check the wiring mostat after starting of program Thermostat malfunc Check if the thermostat is making contact tion Contactor switches off before Thermostat malfunc Check if the thermostat is turned fully clockwise reaching the adjusted tempe tion contact closed rature in program Thermostat probe not Check the position of the thermostat probe in right position Main switch No power to all or some Wiring Check the wiring on the switch oven controls Malfunction of the Check the cams cams on the switch Switch comes butone or Contacts burned Check the wiring more functions from the switch Check the power on
22. m number to pre set values On indicator lights up 0101010 Press Rotor key to start turning the rotor Press Rotor key again to stop AA AA A Load the rotisserie with products OPTIONAL SETTINGS FOR THE HRB INTERRUPTING ACTIVE PROGRAM SET ADDITIONAL BUZZER SIGNAL Press Rotor key Select a pre defined pro gram Heaters and front lamp switch off Press and hold Buzzer key Rotor stops Press Down key On indicator is blinking Process time in hold 7 Service Manual HRB P form 9123540 05 2007 47 tri jado SET PROGRAM END TIME Select a pre defined pro gram Press and hold the Pro gram end key Press Up key ADJUSTING ACTIVE PROGRAM Press and hold Tempera ture or Time key Adjust temperature or time with Up or Down key TEMPERATURE PROBE OPTIONAL Press the Rotor key Insert the probe in the meat up to the core Press Temperature sensor key after 20 seconds the temperature reading swtiches off Page 8 DISPLAY SET TIME amp TEMPERATURE Select a pre defined pro gram Press Cooking Grilling or Temperature hold key No time indictaion for Temperature hold Visible during process or program selection PREHEAT INDICATION Under 40 C 104 F the display shows PRH INDICATIONS DURING PROCESS Process indicators shows actual process after completion indica
23. n page 5 in this manual Description of Symptoms Possible causes Solving checking action part Inside door Broken glass Slamming of door Give instruction to operator Fastening bolts and nuts are loose No sealing ring bet ween steel and glass Tighten all fastenings Mount new glass with sealing rings between glass and steel Outside door Broken glass Door adjustment Slamming of door Fastening bolts and nuts are loose No sealing ring bet ween steel and glass Door not well adjusted and closes against Give instruction to operator Tighten all fastenings Mount new glass with sealing rings between glass and steel Adjust door on hinge and tighten the hinge plate bottom side Transformer Lamps don t light up Wiring Check the wiring Check the power on the transformer Transformer Check the 11 5V outgoing signal on the transfor Malfunction mer Relay on power Check power on relay X18 board Page 24 Service Manual HRB P form 9123540 05 2007 TROUBLESHOOTING don t work 47 tri jado Heating element Rotisserie doesn t reach adjus Wiring Check the wiring ted temperature Check the power on the element Element malfunction Check the current with AC current tester See table on page 20 Duration of grilling Wiring Check the wiring time is too long Element malfunction Check the current with AC current tester See table on pa
24. nother heat source Measure temperature motor during process Check insulation value of coil with Megger on 500V Minimum value is 0 5 MQ Blower Blower doesn t run Blower runs after starting it up by hand Blower stops during process and comes in again after a period of time Temperature indication on dis play runs up very fast 180 C 355 F after 5 minutes Fuse Fl or F2 burned Wiring Coil malfunction Relay on power board Capacitor malfunction Coil overheated thermistor switches off 150 C 302 F Blower doesn t turn and heat stays in top of cavity Short circuit in coil to earth Check the wiring Check the power on the blower Check resistance of the coils Between blue and brown wire 3100 Between blue and black wire 1900 Between brown and black wire 500Q Check power on relay 9 and X10 Check capacitor see capacitor Or connect new capacitor Check cooling circuit of blower Check if rotisserie is close to another heat source Measure temperature blower during process Check the wiring Check the power on the blower Check insulation value of coil with a Megger on 500V Minimum value is 0 5 MQ Service Manual HRB P form 9123540 rev 05 2007 Page 27 EXPLODED VIEWS AND PARTLISTS 47 tri jado EXPLODED VIEWS amp PARTLISTS HR8 HR8
25. r connecting a new power board Check relay on function with problem Check functions after connecting a new power board Capacitor Drive motor or blower don t work Wiring Capacitor malfunction Check the wiring Check function after connecting a new capacitor Checking of capacitor Discharge capacitor with screwdriver Set meter on and connect the pins of the meter on contacts value runs up Change the pins on contacts value runs up again This means the capacitor is OK Page 26 Service Manual HRB form 9123540 05 2007 TROUBLESHOOTING 47 tri jado Drive motor Motor doesn t run Motor runs after starting it up by hand Motor stops during process and comes in again after a period of time Fuse FI or F2 burned Wiring Coil malfunction Reduction gearbox Relay on power board Capacitor malfunction Coil overheated thermistor switches off 105 C 221 Short circuit in coil to earth Check the wiring Check the power to the motor Check resistance of the coils Between whiteA and white wire 2340 Between whiteA and brown wire 117Q Between white and brown wire 117Q Check if reduction gearbox is blocked Check power on relay X14 Check capacitor see capacitor or connect new capacitor Check position of fan blade Air is sucked up over the motor Check cooling circuit of motor Check if rotisserie is close to a
26. tor switches off Time display shows program time which is the sum of the remaining cooking and grilling time Temperature display indicates actual temperature in the grill Under 40 C 104 F the display shows PRH preheat When remaining time reaches 0 the process indicators and the On indicator switches off Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT OF PARTS fri jado REMOVAL AND REPLACEMENT OF PARTS FOR THE HRB WARNING Disconneci the electrical power to the machine at the main circuit box Place a tag on the circuit box indicating the circuit is being serviced Follow OSHA lockout tagout procedures RIGHT OR LEFT SIDE PANEL 1 Remove the screws that secure the panel to the frame 2 Remove the panel 3 Reverse the procedure to install 1 Remove the left side panel according prior procedure 2 Remove the screws securing both large and small top covers 3 Remove the top cover Lift at left side and remove to the left 4 Reverse the procedure to install 1 Remove cover plate on the knob with a small screw driver 2 Loosen the srew inside the knob 3 Remove the knob with ring 4 Reverse the procedure to install Note check that the ring behind the knob is in the right position and runs free from the panel Page 9 Service Manual HRB P form 9123540 05 2007 REMOVAL AND REPLACEMENT PARTS
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