ACP DQ22HSI Service Manual Download Page 16

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Wiring Diagram and Schematic

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.

16500030

January

2012

12719101

DANGER

HIGH VOLTAGE

KFC2W2 MC23MPW2

MC23MPTW2

RC30S2

Summary of Contents for DQ22HSI

Page 1: ...0 VAC 208 230 VAC 208 230 VAC 208 230 VAC 208 230 VAC Amperage Single Unit 20 A 20 A 30 A 30 A 20 A Frequency 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz Single Phase 3 wire grounded X X X X X Receptacle 6 20R 6 20R 6 30R 6 30R Plug 6 20P 6 20P 6 30P 6 30P Power Output Microwave Nominal microwave energy IEC705 1700 Watts 2200 Watts 3000 Watts 2700 Watts 2000 Watts Operating Frequency 2450 MHz 2450 MHz 2450 MHz ...

Page 2: ...1 center Triac 2 left Triac 3 right Voltage Check Measure voltage from MT1 to Gate 0 8 VAC when energized If no voltage check H V board and wiring Capacitor Some units may use more then one type of capacitor Refer to Parts Manual for correct capacitor quantity Discharge Capacitor Remove wires from capacitor terminals and connect ohmmeter set on highest resistance scale to terminals Also check betw...

Page 3: ...inal 5 to 6 Terminal 4 to Ground Less than 1 Ω Less than 1 Ω Infinite Infinite Less than 1 Ω Approximately 59 Ω 7 8 2 4 3 5 Interlock switch Door Closed 2 4 7 3 5 8 Primary Secondary Monitor Disconnect wires to switch With door open measure resistance from Terminal 2 to 3 Terminal 4 to 5 Terminal 7 to 8 With door closed measure resistance from Terminal 2 to 3 Terminal 4 to 5 Terminal 7 to 8 Infini...

Page 4: ...ity Continuity Top touch panel Removal of touch panel is required to perform test Continuity is indicated as 100 Ω and below 1 Pad Time Entry Power Level Stage Program Save Quantity Menu Hidden Pad Trace 5 7 5 8 5 9 6 7 6 8 7 9 8 9 Measurement Continuity Continuity Continuity Continuity Continuity Continuity Continuity Display board J1 J5 J6 J4 Pin 1 Pin 1 Pin 1 Pin 1 Side Touch Panel Connector H ...

Page 5: ... J1 pin 1 Brown wire J1 pin 2 White wire Line voltage Output to display board Disconnect J5 connector blower runs continuously Volts J5 pin 28 J5 pin 50 24 VDC NOTE For the following test place oven in Service Test Mode see page 11 Relay Function Test Set Up Meter Setting Probe Placement Results K1 at 230 VAC line voltage Blower motor Antenna motor Cavity light Disconnect J2 connector Ohms J1 pin ...

Page 6: ...Orange wire Test mode 2 off line voltage Test mode 2 on 0 volts K6 Magnetron 3 Bottom at 230 VAC All wires connected to H V board VAC J4 pin 4 Black wire J4 pin 6 Black wire Test mode 3 off line voltage Test mode 3 on 0 volts K7 Magnetron 3 Bottom at 208 VAC All wires connected to H V board VAC J4 pin 4 Black wire J4 pin 5 Brown wire Test mode 3 off line voltage Test mode 3 on 0 volts Two Magnetro...

Page 7: ...s testing requires power January 2012 16500030 2012 ACP Inc 7 Three Magnetron Models 1 1 1 1 2 2 2 2 3 3 3 3 H V System 1 H V System 2 H V System 3 Top Rear Magnetron Center Transformer Bottom Center Capacitor Diode Center Triac Top Front Magnetron Left Transformer Top Left Capacitor Diode Left Triac Bottom Magnetron Right Transformer Right Capacitor Diode Right Triac ...

Page 8: ...to oven and discharge capacitor before servicing unless testing requires power 16500030 January 2012 2012 ACP Inc 8 Two Magnetron Models 1 1 1 1 3 3 3 3 H V System 1 H V System 3 Top Rear Magnetron Left Transformer Top Capacitor Diode Left Triac Bottom Magnetron Right Transformer Bottom Capacitor Diode Right Triac ...

Page 9: ... cool tap water NOTE Water temperature should be approximately 60 F 16 C 2 Using the thermometer stir water for five to ten seconds measure and record the temperature T1 3 Place test container of water in the center of oven cavity and close door 4 Heat the water for a 33 second full power cycle NOTE Use a digital watch or a watch with a second hand for ovens with electromechanical timers 5 At end ...

Page 10: ... operation the display may show the following service codes NOTE Before scheduling service for any error codes instruct customer to unplug oven for 1 minute reconnect power and retest If unit operates properly no service call is required Display Description Corrective Action Err1 Failed H V Board Replace H V board Err2 Shorted Touch Panel Failed H V Board Shorted Display Board Shorted Cable HV to ...

Page 11: ... 8 V Pad 1 Mode Name Service Pad 1 Entry Pressing Pad 1 while in Service Mode Functional Description Display Pad 2 Mode Name Service Pad 2 Entry Pressing Pad 2 while in Service Mode Functional Description Magnetron 1 shall be toggled When on it shall run for 62 seconds Display M a g n e t r o n 1 O N 0 0 4 5 A m p s 1 2 Magnetron 2 shall be toggled When on it shall run for 62 seconds M a g n e t r...

Page 12: ...cription Displays Tube Hours stored in EEPROM Display M a g n e t r o n H o u r S 0 0 1 7 4 3 Pad 8 Mode Name Service Pad 8 Entry Pressing Pad 8 while in Service Mode Functional Description Displays Door Cycles stored in EEPROM Will always be a multiple of ten Display D o o r C y c l e s 0 0 2 4 5 3 8 0 Pad 9 Mode Name Service Pad 9 Entry Pressing Pad 9 while in Service Mode Functional Description...

Page 13: ...Service Test January 2012 16500030 2012 ACP Inc 13 12719301 DQ22HSI2 RC17S2 RC17SX RC22S2 ...

Page 14: ...id risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 16500030 January 2012 2012 ACP Inc 14 12719301 DANGER HIGH VOLTAGE DQ22HSI2 RC17S2 RC17SX RC22S2 ...

Page 15: ...NG To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power January 2012 16500030 2012 ACP Inc 15 12719101 KFC2W2 MC23MPW2 MC23MPTW2 RC30S2 ...

Page 16: ...d risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 16500030 January 2012 2012 ACP Inc 16 12719101 DANGER HIGH VOLTAGE KFC2W2 MC23MPW2 MC23MPTW2 RC30S2 ...

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