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International Commercial Microwave—Technical Information

 

March 2005 

16025975 

©2005 Maytag Services

 

230 V, 50 Hz Models 

ACE5302 P1331307M 

UACE5302 

P1331308M 

DS30E2 P1331309M 

UDS30E2 

P1331310M 

UCA2000NT2 P1331311M 

  Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or 

repair of this unit. 

  Refer to Service Manual RS5320016 for installation, operating, testing, troubleshooting, and disassembly 

instruction. 

 

All safety information must be followed as provided in Service Manual RS5320016. 

!

WARNING

 

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

Models ACE5302 

DS30E2 

UACE5302 

UDS30E2 

UCA2000NT2 

Power Source

 

 

 

Voltage AC 

230 VAC 

230 VAC 

Amperage (Single Unit) 

16 A 

13 A 

Frequency 

50 Hz 

50 Hz 

Single Phase, 3 wire grounded 

Plug 

CEE 7/7 Schuko 

BS1363A 

Power Output 

 Microwave

 

 

 

Nominal microwave energy (IEC705) 

1000 Watts 

1000 Watts 

Traditional test method 

900 Watts 

900 Watts 

Minimum temperature rise (

T) 

18ºF / 10ºC 

18ºF / 10ºC 

Operating Frequency 

2450 MHz 

2450 MHz 

Power Consumption

 

 

 

Microwave only 

1800 Watts 

1800 Watts 

Convection only 

2700 Watts 

2200 Watts 

Combination 

3400 Watts 

3000 Watts 

Dimensions 

 

 

Cabinet (in / cm) 

 

 

Width 

49 cm 

(19 1/4") 

49 cm 

(19 1/4") 

Height 

46 cm 

(18 1/4") 

46 cm 

(18 1/4") 

Depth 

67 cm 

(26 1/4") 

67 cm 

(26 1/4") 

Oven Interior (in / cm)

 

 

 

Width 

33 cm 

(13") 

33 cm 

(13") 

Height 

27 cm 

(10 1/2") 

27 cm 

(10 1/2") 

Depth 

38 cm 

(15") 

38 cm 

(15") 

Weight

 

 

 

Crated 

46 kg. 

(102 lbs.) 

46 kg. 

(102 lbs.) 

Uncrated 

43 kg. 

(95 lbs.) 

43 kg. 

(95 lbs.) 

 

Summary of Contents for ACE5302

Page 1: ...icing unless testing requires power Models ACE5302 DS30E2 UACE5302 UDS30E2 UCA2000NT2 Power Source Voltage AC 230 VAC 230 VAC Amperage Single Unit 16 A 13 A Frequency 50 Hz 50 Hz Single Phase 3 wire grounded X X Plug CEE 7 7 Schuko BS1363A Power Output Microwave Nominal microwave energy IEC705 1000 Watts 1000 Watts Traditional test method 900 Watts 900 Watts Minimum temperature rise T 18ºF 10ºC 18...

Page 2: ...re to terminal MT2 removed Infinite Approximately 15 Ω then reverse meter leads 30 Ω Infinite Infinite Triac 1 top is for front element Triac 2 middle is for rear element Triac 3 bottom is for microwave Measure voltage from MT1 to Gate 0 8 VAC when energized If no voltage check H V board and wiring Capacitor Discharge Capacitor Remove wires from capacitor terminals and connect ohmmeter set on high...

Page 3: ...minal 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 Infinite Infinite Indicates continuity Indicates continuity Indicates continuity Infinite A B Convection blower motor Remove wires from motor Measure resistance across terminals A and B Approximately 20 Ω Heating element assembly Disconnect wires from terminals Measure resistance a...

Page 4: ...ty Continuity Continuity Top touch panel Continuity is indicated as 100 Ω and below 1 Pad Preheat Time Entry Temp Entry Power Level Stage Program Save Hidden Pad Trace 3 4 5 7 7 8 5 8 5 9 6 7 8 9 Measurement Continuity Continuity Continuity Continuity Continuity Continuity Continuity Wire harness High voltage board to display module harness Test continuity of wires Indicates continuity Display boa...

Page 5: ...ack wire J1 pin 2 Red wire Line voltage Output to display board Disconnect J5 connector Volts J5 pin 28 J5 pin 50 24 VDC Relay Function Test Set Up Meter Setting Probe Placement Results K1 Cooling fan Disconnect J2 connector Ohms J1 pin 1 Black wire J2 pin 4 Test mode 5 off no continuity Test mode 5 on 1 Ω K2 Convection motor Disconnect J2 connector Ohms J1 pin 1 Black wire J2 pin 3 Test mode 4 of...

Page 6: ... container to the 1000 ml line with 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...

Page 7: ...imer counts up to 99 seconds Timer counts up to 99 seconds Timer counts up to 62 seconds and unit shuts off STG COOK PREHEAT STANDBY ITEM POWER C M 1 2 3 4 QTY LEVEL NOT READY LMT Component Evaluation STG COOK PREHEAT STANDBY ITEM POWER C M 1 2 3 4 QTY LEVEL NOT READY LMT 0 Deactivated 1 Activated Displays actual Amperage Displays actual Amperage Indicates Service Mode If no Amperage check Heating...

Page 8: ...QTY LEVEL NOT READY LMT LMT LMT LMT 6 7 8 9 0 Toggles Oven Light ON OFF Displays of Magnetron Hours Displays of Door Cycles with a 1 to 1 ratio rounded to the nearest ten Clears Hours and Cycles press START to activate Resets to 0 Displays current Temperature OFFSET TEMP Display current oven Temperature as sensed by RTD Press Display Component Evaluation STG COOK PREHEAT STANDBY ITEM POWER C M 1 2...

Page 9: ... C Cycle 2 230 C 240 C 450 C 480 C 930 C 930 C 4 230 C average temperature If the average temperature is too high or too low the oven temperature offset needs to be calibrated Convection Temperature Calibration NOTE It is normal for the average oven temperature to vary from the oven setting by as much as 25 F 14 C Difference will not effect cooking since recipes are written with this difference in...

Page 10: ...odes During 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 See note above Replace H V board Err2 Failed Touch Panel Failed H V Board Replace Touch pan...

Page 11: ...G To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power March 2005 16025975 2005 Maytag Services 11 12747601 UACE5302 UDS30E2 UCA2000NT2 ...

Page 12: ... risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 16025975 March 2005 2005 Maytag Services 12 12747601 DANGER HIGH VOLTAGE UACE5302 UDS30E2 UCA2000NT2 ...

Page 13: ...W ARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power March 2005 16025975 2005 Maytag Services 13 12747701 ACE5302 DS30E2 ...

Page 14: ...o avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 16025975 March 2005 2005 Maytag Services 14 12747701 DANGER HIGH VOLTAGE ACE5302 DS30E2 ...

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