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Blodgett Combi BCX14G Troubleshooting Manual

Combination oven steamer
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COMBI
BCX14G AND BX14G
COMBINATION OVEN STEAMER
TROUBLESHOOTING MANUAL
BLODGETT COMBI
www.blodgett.com
44 Lakeside Avenue, Burlington, Vermont 05402 USA ~ Tel. (802) 658-6600 Fax (802) 652-2814
PN 52051 Rev B (12/15/2010)

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Summary of Contents for Blodgett Combi BCX14G

  • Page 1 COMBI BCX14G AND BX14G COMBINATION OVEN STEAMER TROUBLESHOOTING MANUAL BLODGETT COMBI www.blodgett.com 44 Lakeside Avenue, Burlington, Vermont 05402 USA ~ Tel. (802) 658-6600 Fax (802) 652-2814 PN 52051 Rev B (12/15/2010)

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section 1 Controls Manual Control Operation………………………………………………………………1-3 Manual Control Second Level Programming……………………………………………..4 New Manual Control Operation………………………………………………………...5-7 New Manual Control Second Level Programming……………………………………..8-9 New Manual Control Factory Level Programming…………………………………..10-11 MenuSelect Control Operation……………………………………………………….12-15 MenuSelect Control Second Level Programming……………………………………16-17 Notes……………………………………………………………………………………..18 Section 2 Troubleshooting Troubleshooting Guide……………………………………………………………….19-22 Incoming Power Supply………………………………………………………………….23 Logic Board Dcv Test Points…………………………………………………………….24...
  • Page 3 1K value. At 75° 1090 and at 300° 1575 ohm’s (BX14G) with MenuSelect Control Part number 50310 all the same as above for the BCX14G with MenuSelect Control. (BX14G/BCX14G with the New Manual) Part number 50310 all the same as the above for MenuSelect Controls.
  • Page 4 Operation Standard Controls for Models BCX 14 and BX 14 Standard Controls for Models BCX 14 and BX 14 CONTROLS IDENTIFICATION 1. POWER ON LAMP - when lit indicates when lit indicates power to the unit is turned on. power to the unit is turned on. MODE SELECTOR SWITCH - - turns power to the oven on or off.
  • Page 5 Operation Operation Standard Controls for Models BCX 14 and BX 14 Standard Controls for Models BCX 14 and BX 14 TIMER COOKING PROBE COOKING 1. Press the TIMER/PROBE TOGGLE KEY (7) Press the TIMER/PROBE TOGGLE KEY (7) 1. Press the TIMER/PROBE key (7) to select Press the TIMER/PROBE key (7) to select to select the timer mode.
  • Page 6 Operation Standard Controls for Models BCX 14 and BX 14 Standard Controls for Models BCX 14 and BX 14 STEAM ON DEMAND Uses for Steam On Demand: How to set the Steam On Demand feature: How to set the Steam On Demand feature: Most of the ideas came from our creative custom Most of the ideas came from our creative custom ers.
  • Page 7 Control Second Level Programming Standard Combi Manual Control Temp. (BP# 39673) Instructions For +7° Temperature Offset Recommended: Read instructions before programming. If each step is not conducted within 9 seconds, the control will lock up and the programming sequence will have to be restarted from step 1 1.
  • Page 8 Operation Standard Controls for Models BCX 14 and BX 14 Standard Controls for Models BCX 14 and BX 14 CONTROLS IDENTIFICATION MODE SELECTOR SWITCH - - turns power to the oven on or off. Allows selection of the oven on or off. Allows selection of Steam, Hot Air, Combi or Cool Down Modes.
  • Page 9 Operation Operation Standard Controls for Models BCX 14 and BX 14 Standard Controls for Models BCX 14 and BX 14 TIMER COOKING PROBE COOKING 1. Press the TIMER/PROBE knob (8) to Press the TIMER/PROBE knob (8) to Press the TIMER/PROBE KNOB (8) to select Press the TIMER/PROBE KNOB (8) to select select the probe setpoint mode.
  • Page 10 Operation Standard Controls for Models BCX 14 and BX 14 Standard Controls for Models BCX 14 and BX 14 STEAM ON DEMAND Uses for Steam On Demand: Most of the ideas came from our creative Most of the ideas came from our creative How to set the Steam On Demand feature: How to set the Steam On Demand feature: custom ers.
  • Page 11 BCX, BX – NEW MANUAL CONTROL Service Level Programming Code: 7378 (The oven needs to be in the “OFF” position) Press the Timer Dial Till “0000” Is Displayed Turn the Dial: Scroll the flashing # to (7)000 Press the Dial to Enter Scroll the flashing # to 7(3)00 Press the Dial to Enter Scroll the flashing # to 73(7)0...
  • Page 12 BCX, BX NEW MANUAL CONTROL Service Level Programming Code: 7378 (The oven needs to be in the “OFF” position) D-20 SIB Software Number D-21 Cavity Set Temperature D-22 Cavity ACT Temperature D-23 Cooling Fan Probe Temperature D-24 Quench Probe Temperature D-25 Core Probe Temperature D-26...
  • Page 13 BCX, BX – NEW MANUAL CONTROL Factory Level Programming Code: 3228 (The oven needs to be in the “OFF” position) Press the Timer Dial Till “0000” Is Displayed Turn the Dial: Scroll the flashing # to (3)000 Press the Dial to Enter Scroll the flashing # to 3(2)00 Press the Dial to Enter Scroll the flashing # to 32(2)0...

  • Page 14: New Manual Control Factory Level Programming

    BCX, BX NEW MANUAL CONTROL Factory Level Programming Code: 3228 (The oven needs to be in the “OFF” position) (P-20) Upper Ready Band (P-21) Lower Ready Band (P-22) Cavity Probe Offset (P-23) Core Probe Offset (P-24) Spritzer Solenoid Duty Cycle (P-25) User Response Timeout (P-26)
  • Page 15 Operation Operation MenuSelect Control for Models BCX 14 and BX 14 MenuSelect Control for Models BCX 14 and BX 14 MenuSelect Control for Models BCX 14 and BX 14 CONTROL DESCRIPTION 1. START/STOP KEY START/STOP KEY press to start, cancel or press to start, cancel or pause the bake 2.

  • Page 16: Notes

    Operation MenuSelect Control for Models BCX 14 and BX 14 MenuSelect Control for Models BCX 14 and BX 14 OVEN STARTUP Press the START/STOP KEY (1) to begin the Press the START/STOP KEY (1) to begin the bake cycle. The timer counts down and the bake cycle.
  • Page 17 Operation Operation MenuSelect Control for Models BCX 14 and BX 14 MenuSelect Control for Models BCX 14 and BX 14 MenuSelect Control for Models BCX 14 and BX 14 4. Press the desired mode key, combi, Press the desired mode key, combi, time.
  • Page 18 Operation MenuSelect Control for Models BCX 14 and BX 14 Control for Models BCX 14 and BX 14 PRODUCT PROGRAMMING Programming a Product Recipe Programming a Product Recipe Entering the Program Mode NOTE: The control can hold 99 recipes. Each rec NOTE: The control can hold 99 recipes.
  • Page 19 BCX, BX – MENUSELECT CONTROL Service Level Programming (The oven needs to be in the “ON” position) Press the Maint Key Scroll to “SERVICE” Press the Dial to Enter Enter Service Code “7378” Press the Dial to Enter Scroll to “Diag Output” Press the Dial to Enter Press and hold # button to test Component Function Test:...
  • Page 20 BCX, BX MENUSELECT CONTROL Service Level Programming (The oven needs to be in the “ON” position) Prog Cooling Fan Probe Temp Quench Probe Temp Core Probe Temp Boiler Probe Temp Steam Water Hi Level SW Steam on Demand Water Low Level SW “Press the Dial to Exit”...
  • Page 21 Operation SmartTouch Touchscreen Control for Models BX-14 & CNVX-14 CONTROL DESCRIPTION 1. DISPLAY - displays information related to oven func- BX-14 tion and/or programming. 2. CORE PROBE CONNECTION - plug core tempera- ture probe in here when using probe cooking 3.
  • Page 22 Operation SmartTouch Touchscreen Control for Model BX-14 BX-14 & CNVX-14 MANUAL MODE COOKING 1. Select the POWER button to turn on the oven and proceed to the manual screen. Figure 17...
  • Page 23 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 2. Set the desired cook settings. Steam on Demand (BX-14 only) - Press the Steam On Demand key and enter the desired time period of Temperature - Press the temperature text and enter 100% humidity.
  • Page 24 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 MENU MODE COOKING 1. On a manual screen, press the ESC key to exit the 4. Select the desired food category for your product. the screen. 2. Select the MENU icon to cook using the pre pro- grammed menu items.
  • Page 25 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 SHELF COOKING 1. Select the SHELF COOKING key. 3. During the cook cycle, individual shelf cook timers will count down as the product is cooked. If you wish to cancel the bake, you can press the STOP ALL key, or you can stop individual shelves.
  • Page 26 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 EDITING A MENU 1. Select the MENU/EDIT icon to edit the recipes in the 3. To edit an existing item, select the item while the EDIT menu mode. ITEMS key is highlighted. To delete an Item, select the item while the DELETE key is highlighted.
  • Page 27 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 4. Each recipe is made up of steps containing seven settings - temperature, time, fan, etc. A new step is needed when you desire a different setting within a step. To edit a setting within a particular step, press the icon for that setting.
  • Page 28 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 EDITING A CATEGORY 1. Select the MENU/EDIT icon to edit the recipes in the To delete a category, select the category while the menu mode. DELETE key is highlighted. To create a new category, select the NEW ? icon while the EDIT key is highlighted.
  • Page 29 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 5. To edit the category icon, press the category icon dis- 6. To edit items within a category, press the SELECT played in the category edit screen. The Select Icon ITEMS key on the edit category screen. screen is displayed.
  • Page 30 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 CREATING NEW MENU ITEMS 1. Select the EDIT ITEMS key. 5. Program the recipe steps - Each recipe is made up of steps containing seven settings - temperature, time, fan, etc. A new step is needed when you desire a different setting within a step.
  • Page 31 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 CREATING NEW CATEGORIES 1. Select the EDIT CATEGORIES key. 4. Press EDIT NAME. A keyboard will appear. Enter the to the previous screen. new category. Items will be highlighted as they are selected.
  • Page 32 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 TRANSFERRING RECIPES USING THE USB 1. Return to the power screen. To Store Menu Data to a USB 1. Press the STORE MENU DATA to USB key to trans- fer recipes to the USB. Figure 38 Figure 40 2.
  • Page 33 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 3. The status screen appears to display the download status. The display returns to the previous screen when download is complete. Figure 44 Figure 42 3. The overwrite warning screen appears. Press YES to continue 4.
  • Page 34 Operation SmartTouch Touchscreen Control for Model BX-14 & CNVX-14 COOL DOWN 1. To cool down the unit, press the COOL DOWN icon. 2. The oven will toggle between cooling and open door in yellow until the oven is cool. Once cool, the oven will go to standby.
  • Page 39 Notes: Page 18...

  • Page 40: Door Switch Troubleshooting Flow Chart

    BCX14G BCX14G TROUBLESHOOTING GUIDE In this troubleshooting guide, the schematic is 6. Acv/Dcv. See the incoming power supply flow broken down into areas. This allows the oven to be chart (FIGURE 1). checked in sections. NO OPERATION WITH THE MODE SWITCH...
  • Page 41 BCX14G BCX14G TROUBLESHOOTING GUIDE 4. Checking for logic board input/output LED 6. CR7 relay LED (D71) should be on. If not indicators, in the hot air mode the amber input check IFB connector J7 between (J7-1) to (J7- LED’s #6 and #9 need to be on along with the 2) for 24Dcv input see wire schematic.

  • Page 42: Float Switch Troubleshooting Flow Chart

    BCX14G BCX14G TROUBLESHOOTING GUIDE 6. If all of the above is good continue testing would indicate the (LLC) low level cut float is checking at the (T1) transformer for 24Acv in the closed position and will not open. Repair output if good inspect at the IFB connector J4 or replace floats switch as needed.
  • Page 43 BCX14G BCX14G TROUBLESHOOTING GUIDE been activated and the blower motor should several seconds 24Vdc should be applied began running. directly the delime pump. 6. At this point check for +24Vdc_H output from 2. Verify when you activate the steam on demand the IFB connector J5 from (J5-2) to (J5-5).
  • Page 44 BCX14G BCX14G INCOMING POWER SUPPLY CHECK 24dcv Power Supply 24dcv Incoming ACV + + 24dcvRtn A. 24Vdc to J7 at (IFB) + 24dcv - 24dcvRtn B. 24Vdc to J1 connector Switch Closed +24Vdc 24Vdc Rtn Logic Board J1 Conn. Incoming powers from the DC power supply control (B.24Vdc.) J1-4 J1 ∧...
  • Page 45 BCX14G BCX14G LOGIC BOARD ( J1 ) CONNECTOR VOLTAGE TEST POINTS OGIC BOARD VOLTAGE TEST POINTS AT (J1 CONNECTOR) From (J1-1) BK 24Dcv_Rtn_L to (J1-4) RD +24Dcv_H (Always live with circuit breaker 24DCV Trouble shooting test points! Your volt meter leads should insert...
  • Page 46 BCX14G BCX14G COOL DOWN MODE OPERATION TROUBLESHOOTING Connector 24Dcv_Rtn_L 24Dvc_Rtn_L J3-1 Motor_Fwd_Ena J3-2 Motor_Rev_Ena Switch Closed J3-3 Spd_Sel_0 J3-4 Spd_sel_1 +24dcv 1&3 J3-5 Drv_@SetSpd Mode_Sw J3-7 Inv_Com J1-4 115Ac J1 Connector Logic Board Inverter Drive 24Dcv_L MOTOR FIGURE 3...
  • Page 47 BCX14G BCX14G HOT AIR FLOW CHART +24Vdc_H Logic Board 24Vdc_Rtn_L TMR1 24Vdc_Rtn J1-1 +24Vdc J1-4 Oven_On_L Oven On J1-6 Logic Board Logic Board Green Output Mode_Sw Input # 13 5,7,9 #10 (J3-6) Heat_Demand_In Amber J4-2 # 6 & (Switch Closed)
  • Page 48 BCX14G BCX14G STEAM FLOW CHART +24Vdc_H Logic Board 24Vdc_Rtn_L TMR1 24Vdc_Rtn_L J1-1 +24Vdc_H J1-4 Oven_On_L Oven On J1-6 Logic Board Logic Board Green Output Mode_Sw Input # 10 5,7,9 (J3-2) Heat_Demand_In_L Amber J4-6 # 3 & (Switch Closed) J4-1 24Dcv...
  • Page 49 BCX14G BCX14G COMBI FLOW CHART +24Vdc_H Logic Board 24Vdc_Rtn_L TMR1 24Vdc_Rtn_L J1-1 +24Vdc_H J1-4 Oven_On_L Oven On J1-6 Logic Board Logic Board Green Output Mode_Sw LED # 13 Input & #10 5,7,9 #6 (J3-1) Heat_Demand_In_L Amber J4-6 # 2 &...
  • Page 50 BCX14G BCX14G DOOR SWITCH TROUBLESHOOTING +24Dcv Door_Sw_Pwr_H J5-3 Door_Sw_Rtn_L J5-4 Door_Closed_H J5-5 J1-1 BK J1 Connector Logic Board J5 Connector Output when door is closed Switch will be lighted Logic Board J1 Connector J1-1 BK +24Dcv_H +24Dcv TMR1 Y-10 Door_Closed_H...
  • Page 51 BCX14G BCX14G FLOAT SWITCH TROUBLESHOOTING +24Dcv_H J8-1 24Dcv_Rtn J8-2 J8-3 Relay Board J8-4 J8-5 J8-6 The Flats are normally closed HI_Lvl_Float_Sw and open when the boiler is full. +24Dcv should always be applied to the float wires R-15 that activates the fill solenoid’s...
  • Page 52 BCX14G BCX14G MOTOR REVERSE DIRECTION TROUBLESHOOTING Connector 24Dcv_Rtn_L J3-1 Motor_Fwd_Ena J3-2 Motor_Rev_Ena J3-3 Spd_Sel_0 1&3 J3-4 Spd_sel_1 Mode_Sw J3-5 Drv_@SetSpd J3-7 Inv_Com 115Ac J1-3 24Dvc_L J1-4 Door_Closed_H J1-1 Inverter Drive GY-12 24Dcv_L MOTOR FIGURE 9...
  • Page 53 BCX14G BCX14G DRAIN VALVE OPERATION TROUBLESHOOTING +24Dcv_H J8-1 24Dcv_Rtn J8-2 Relay Board Drain_Closed_H J8-8 J8-9 Drain_Open_H The drain valve in its normally closed position should always have 24Dcv_Rtn_L input along with the +24Dcv_H out put from the IFB J8 connector to the motorized drain valve.
  • Page 54 BCX14G BCX14G LOGIC BOARD LED INDICATOR DESIGNATIONS LOW FLOAT LEVEL LED'S BOILER PREHEAT TO 185F LED On = INPUT LED On = INPUT AMBER - INPUT LED'S AMBER - INPUT LED'S DESCRIPTION DESCRIPTION Flush Disable (above 140F) J2-2 Flush Disable (above 140F) J2-2...
  • Page 55 BCX14G BCX14G LOGIC BOARD LED INDICATOR DESIGNATIONS COMBI MODE LED'S STEAM ON DEMAND LED'S LED On = INPUT LED On = INPUT AMBER - INPUT LED'S AMBER - INPUT LED'S DESCRIPTION DESCRIPTION Flush Disable (above 140F) J2-2 Flush Disable (above 140F) J2-2...

  • Page 56: Notes

    D11 = Conv. Heat Note: The red momentary button next J4.6 +24VAC Output / J1.7 to D101 manually opens -24VDC & J5.5 +24VDC Input Trigger the drain D21 = Drive@Speed D9 = Quench Valve Internal Outputs allowing J8.7 -24VDC Output J4.6 Fed by J4.4 +24VAC J1.16 -24VDC Input Trigger J3.5 -24VDC Input Trigger...
  • Page 57 Amber LEDs glow to show Inputs Green LEDs glow to show Outputs LED 1 = Flush Disable (&Combi Preheat) LED 14 = Boiler Drain Open J1.2 -24VDC Input from Flush Disable T-stat that J3.10 -24VDC Output to the Relay Board to enable opens at 158˚F.
  • Page 58 BCX14G - Trouble shooting test points ~ DC Voltage Test Points ~ Test Points Voltage AC Components Testing Black lead Red Lead + DC DC Power Supply 115 VAC Power supply (N) Power supply (L) DC Power Supply 24 VDC...
  • Page 59 ~ Steam Mode with Heat Light Active ~ Test Points Voltage AC Components Testing Black lead Red Lead + DC BCX2 (Logic Board) J3 Connector (J3-2) GY-2 J1 Connector (J1-4) RD-1 24 VDC BCX2 (Logic Board) J4 Connector (J4-1) V-6 J1 Connector (J1-4) RD-1 24 VDC BCX2 (Logic Board)
  • Page 60 ~ Boiler Float Level Troubleshooting ~ Test Points Voltage AC Components Testing Black lead Red Lead + DC ( IFB ) Relay Board 24 VDC J8 Connector (J8-2) BK-4 J8 Connector (J8-1) RD-4 ( IFB ) Relay Board 24 VDC J8 Connector (J8-2) BK-4 J8 Connector (J8-3) V-3 (Hi_Lvl Float Closed)
  • Page 61 Symbol Description Diagram DESCRIPTION BCX-2 24DCV BX Series BC2 Logic Board CON4 24DCV Power Supply Relay, Oven, On/Off Power On Light Heat Demand Light Low Water light Delime Light Steam On Demand Light Interface Relay Board Hot Air Contactor K1_Aux Hot Air Auxiliary Contact Steam Contactor K2_Aux...
  • Page 62 Notes: Page 40...
  • Page 63 BX / BCX Man Control - L100 Parameters for 50816 Inverter Drive NOTE: Oven connected to power, mode switch in "OFF" position, display should read " 0.0". PRESS DISPLAY PRESS DISPLAY ▲ FUNC keep pushing until ▼ keep pushing until FUNC once ▼...
  • Page 64 BX / BCX Man Control - Stored Fault Codes for 50816 Inverter Drive NOTE: Oven connected to power, mode switch in "OFF" position, display should read " 0.0". PRESS STORED FAULT CODES DISPLAY PRESS DISPLAY FUNC ▲ keep pushing until FUNC once Record Code...
  • Page 67 Error Codes Manual Control W/Meat Probe. Errors messages On any Error condition the K1 output relay will de-energize. Display reads “E r r 2” indicates open or shorted cavity probe, Check for ohm’s @ 75° = 1090Ω Display reads “E r r 3” indicates open or shorted meat probe (If) it is plugged in at the time check to see if the meat probe has been activated with/out a meat probe in jack.
  • Page 68 Error Codes New Manual Control W/Meat Probe Error Codes Cavity Probe open/shorted E-01 Access Codes Boiler Probe open/shorted E-02 Factory 3228 High Float switch E-03 Service 7378 E-04 Low Float switch Manager 6647 E-05 Communication Error Cooling Fan Probe Error E-06 Delime E-07...
  • Page 69 Error Codes MenuSelect Control W/Meat Probe Error Message Display Will Read ERROR – COOLING FAN PROBE COOLING FAN PROBE ERROR and flash call for Service ERROR – QUENCH PROBE QUENCH PROBE ERROR and flash call for service ERROR – FAN ERROR FAN ERROR and flash call for service ERROR –...

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