Frigidaire FFHN2740PE Wiring diagram
Contents
1. _ Ae Pn Ts BOW OND o DK BLU WHT pa MAIN BOARD GRY BLK WHT YEL BLK YEL GRY BLK BRN YEL RED YEL LT BLU YEL BLK 9 FRESH FOOD THERMISTOR GRY BLK INCANDESCENT LIGHT MODELS BLK RED BLK WHT YEL LT BLU BLK GRN YEL LT BLU YEL BLK RED BLK BLK PNK WHT YEL BLK YEL BRN YEL RED YEL TOP LIGHTS RIBBED MACHINE COMPARTMENT CONNECTION AT CONTROL BOARD SPLICE see eee ee ee ee eee ee eee eee ee eee Lu 2 H RIBBED 12V BLK J 12V RED 4 L PUR q COND FAN GREEN HHL I M WATER VALVE LED LIGHT W ON LED LIGHT MODELS IRING P VARIABLE SPEED COMPRESSOR INV j l j j l 12 VDC 120V AC REF TYPICAL LED CONNECTOR REFRIGERATOR DOOR OPENING IS DETERMINED REFRIGERATOR BY MAGNETIC SWITCH ON USER INTERFACE DAMPER CONTROL MOTOR 3 NTC 2 31 REFRIGERATOR LIGHTS FZR DOOR SW SENSE NEUTRAL oo FREEZER LIGHTS NEUTRAL 2 DEFROST HEATER of o LINE DEFROST THERM NEUTRAL G5LE RELAY VEE 12 COMM GROUND ISOLATED DC EVAPORATOR FAN ASSY_OUT COMPRESSOR IN 5V GROUND 5V FLASH BKGD MSJ GROUND2. ERF2500 ICE MAKER FILL VALVE IM WATER SENSE NEUTRAL ICE MAKER OUTPUT MULLION HEATER FREEZER ICE MAKER 1 1 I I 1 ERF2500 ERROR CODES FREEZER DISPLAY 5 1 OP OR 2 FREEZER THERMISTOR OPEN i SH OR 3 FREEZER THERMISTOR SHORTED FRESH FOOD DISPLAY OP OR 2 FRESH FOOD THERMISTOR OPEN SH OR 3 FRESH FOOD THERMISTOR SHORTED i BOTH DISPLAYS SY CE COMMUNICATION ERROR SY CF COMMUNICATION LOST ERROR 1 1 I 1 1 I 1 I SY EF EVAPORATOR FAN ERROR GD LED POWER ae PCBA 21 9 FRESH FOOD SWITCH 120V AC NEUTRAL Wiring Diagram 242107201
3. 24 26 9 Identify and repair damaged 2 FF Thermistor Activates automati UI shows temperature sensed by FF thermistor pass if within 10 F of wires or poor connections l Check ae oe between Inverter Board and Mid level cally temperature measured with gauge at mid level FF thermistor location cord harness wiring and 5 Check at Main Control Board Compressor OP if open SH if short connections BLK WHT and RED BLK wires o Is Main Control Board sending gt Replace Main Control Board 10 15 VAC and 1 5 VDC to Inverter Board VCC Resistance Check Replace Inverter Board 33 yes 30 FZ Thermistor Activates automati UI shows temperature sensed by FZ thermistor pass if within 10 F of tempera cally ture measured with gage at FZ thermistor location OP if open SH if short Ambient Thermistor Activates automati UI shows temperature sensed at main board pass if within 20 F Main Board cally 10 F of temperature measured with gauge at main board location OP if open SH if short 35 FF Thermistor Activates automati UI shows temperature sensed by upper level FF thermistor pass if Upper Level cally within 10 F of temperature measured with gauge at upper level FF thermistor location OP if open SH if short Ambient Thermistor Activates automati UI shows temperature sensed at UI pass if within 20 F 10 F of tem Ul cally perature measured with gauge at
4. Always check for pin back outs pinched or damaged wires before replacing FZ Licht aa With EZ door open FZ liahts on when on off when off failure on start up components 9 Set With FZ door open FZ lights on when on off when off FZ lig i Main Contrai e Determine whether failure is caused by the component main control board or FF door must be closed wiring Contact TID before replacing main control board Motor running when on motor stopped when off Set CONDENSER FAN MOTOR Board communication error after a period in operation Refer to Service Manual for additional information 11 Cube Crush FF door must be closed Do not leave solenoid in activated state Solenoid Solenoid activated when on deactivated when off 41 Perfect Temp PTD UI illuminated when off when off Drawer PTD Set FREEZER ICE MAKER SPECIFICATIONS 12 VCC Condenser Fan running when on stopped when off Electrical 115 vac 127 vac max Fan Set t ga 1100 CW Opposite Shaft 0 03 Running Opens at 48 F 9 C Closes at 15 9 C 38 VCC Compressor St sd Compressor running when stopped when off Evaporator Fan Set Fan running for minimum of 10 sec when LO or HI stopped when off Feedback failure if fan starts but runs less than 10 sec Listen for speed change from LO to HI Ice Chute Door Depre
5. PERFORMANCE DATA NO LOAD amp NO DOOR OPENINGS 37 0 CONTROL SETTING Type A with Run Start 65 F 18 C Ambient 90 F 32 C Ambient Capacitor System Diagnostic Mode Activate Press A and V for up to 10 sec simultaneously Deactivate Press for up to 10 sec Diagnostic Mode will automatically deactivate after 5 min of inactivity Note Silence alarm SERVICE DATA SHEET 242321500 ICE amp WATER AUTOMATIC DEFROST BOTTOM FREEZER R134a e Tests marked with may not be applicable to this unit and will not be displayed in System Diagnostic Mode Operating Time 90 to 100 100 Freezer Temperature 5 to 2 F 20 to 17 C 1 to 3 F 18 to 16 C Refrigerator Temperature 34 to 39 F 1 to 4 C 34 to 39 F 1 to 4 C Test IMPORTANT PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION Test 2 to 6 psig 14 to 41 kPa 2 to 6 psig 14 to 41 kPa First Screen JAILED tights on e Tests displayed in diagnostic mode but not described below are for internal purposes only advance through e View UI display for on off CL OP SH LO HI or numerical results of tests e Listen for operating sounds feel for heat or air flow as appropriate to determine results of tests Low Side Pressure High Side Pressure last 1 3 8510105 psig 686 to 724 120 to 135 psig 827 to 931 Second Screen __ All segments on Ul tempera
6. UI location OP if open SH if short Firmware Set Displays digit sequence record Parameters Main Board Set Displays digit sequence record Firmware ed IMPORTANT SAFETY NOTE The information provided herein is designed to assist qualified repair personnel only Untrained persons should not attempt to make repairs due to the possibility of electrical shock Disconnect power cord before servicing this appliance IMPORTANT anid 11 THERMAL CUT OUT Check resistance between terminals 1 and 2 2 3 and 1 Identify and repair damaged wires or If all resistances are equal poor connections between Main Control compressor is operative Board and Inverter Board Tes t Test 1to2 3101 LT BLUE ICE MAKER SARE ANIWA YALVM MOLD HEATER 165 WATTS FREEZER ICE MAKER INFORMATION Where Applicable Water Fill Adjustment 34 GRN YEL 4 1 Test Cycling Remove cover by inserting screwdriver in notch at bot tom and prying cover from housing Use screwdriver to rotate motor gear counterclockwise until holding switch circuit is completed All components of ice maker should function to complete the cycle MOLD MOUNTING gt Mounting Plate Water Fill Volume The water fill adjustment screw will change the Seles fill time One full turn is equal to 20cc 68 oz The correct fill is 102 130cc 3 4 to 4 3 When a water valve is rep
7. laced the Mounting fill volume must be checked Screw O CAUTION All electrical parts and wiring must be shielded from torch flame DO NOT allow torch to touch insulation it will char at 200 F and flash ignite burn at 500 F Excessive heat will distort the plastic liner If any green grounding wires are removed during servicing they must be returned to their original position and properly secured FREEZER THERMISTOR CAB DOOR CONNECTIONS LEFT DOOR GROUND USER INTERFACE BOARD BLK WHT RED LEFT DOOR RIGHT DOOR CONNECTION MULLION GROUND GRN YEL FLIP MULLION HEATER FREEZER COMPARTMENT DEFROST HEATER a UUN THERM 1 1 DEFROST 1 GROUND ATTACHED BEHIND LEFT ROLLER 49 ICE MAKER SEE ICE MAKER DIAGRAM 20 b d 14 FREEZER Haven CONNECTION AT ii CONTROL BOARD gt BRN q BLK ORN 114 GRY WHT ee y P GRY WHT YEL YEL PNK BLU WHT YEL WHT LT BLU YEL RED BRN WHT RED WHT FREEZER DOOR 61 SWITCH SPLICE g 1 LIGHT g 4 YEL RED FRZR DC BRN LEFT DOOR HINGE GROUND 9 AIR TOWER CONNECTION te ose LT BLU RIGHT GROUND FRESH FOOD CONNECTION IN MACHINE COMPARTMENT COMPARTMENT CONNECTION AT CONTROL BOARD
8. ss ice chute OP on UI when manually opened when closed Or using power door or set on off OP UI when solenoid activated when deactivated Thermostat Variable Capacity Compressor VCC Diagnostics select models 115 vac If test 38 fails diagnose as follows FREEZER ICE MAKER CONNECTOR PLUG CONNECTIONS WireNumber 5 Wire Color Connects to gt Check at the connector from the power cord gt Check at Inverter Board on gt Remove inverter box from the gt Check connections from Inverter harness into the inverter board located in Compressor compressor and check resistance Board to Compressor Green Yellow Ground yes BLK RED wires yes sled compressor winding pairs as yes Are connections from Inverter an wires shown c f 2 Yell Water Valve Is Inverter Board receiving 10 15 Board to Compressor intact SHOW Is Inverter Board receiving 115 VAC VAC and 1 5 VDC from Main Is resistance across all winding from power supply Control Board pairs equal no no no no Replace Compressor Inverter Board Heater Voltage With inspection mirror observe damper open when OP closed when Open close FF door CL on UI when door closed OP when open Open close FZ door on UI when door closed OP when open Defrost Limit Switch on UI when closed OP when open cally i 36 22 23
9. ture displays illuminated cycle kPa Third Screen Blank UI display no lights illuminated no shadowing and Error Codes Special Modes blinking on FF display side to show location Display Activate Deactivate Dispenser Paddle Press disp paddle on on UI when depressed off when released Mode press for up to 10 sec simultaneously Compressor running when stopped when off Compressor Manual Defrost FP and same to deactivate 2 Defrost Heater Set Display Showroom A and Power on Reset POR Sabbath V and same to deactivate System Diagnostic No FF or FZ dis A and V to deactivate acl vith FF door Open FP lighis on when OU when Ol play all UI LEDs on Water Valve Set FF door must be closed prepared to collect water at dispenser UI to Main Control Notes 30 to 50 50 to 70 7 to 9 Wattage last 1 3 cycle Amps running 4 to 8 Base Voltage 115 vac 127 vac max DEFROST SPECIFICATIONS Thermostat Cut in Cut out Watts Ohms 25 F 4 C 47 F 500 26 5 8 C Electronic Timer ADC Defrost 24 minutes every 6 96 hours of compressor run time Defrost limit switch must be closed verify CL in test 26 Feel for heat from defrost heater when on If OP in test 26 heater will not activate Cabinet Size Dispenser 268 28 SD 23 CD Water dispenses when on stops when off Board communication
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