background image

Service Training Manual

Compact Models

DEC - 50 Hz

CHDC - 50Hz (Chinese Oven )

September 2011

16400016

Summary of Contents for Menumaster DEC21E2

Page 1: ...Service Training Manual Compact Models DEC 50 Hz CHDC 50Hz Chinese Oven September 2011 16400016 ...

Page 2: ...t Safety Information 2 5 Quick Start Reference Guide 9 10 0 123425 6 07 8 2942 1 16 1 1 1 32 9A91B 1 1CD 32 1 16 1 1 122 E2 2F31 1G 33 1 16 1 1 122 E2 2FE1 1CD 3E C H I 3F 0 1J K1B L 3 4E2 J L7 M K EE4EF N K1 1 M 0 16 K 0 E 4AA ...

Page 3: ...1 Important Safety Information 1 ...

Page 4: ...n ITISTHETECHNICIANSRESPONSIBLITYTOREVIEWALL APPROPRIATESERVICEINFORMATIONBEFOREBEGINNINGREPAIRS WARNING Toavoidriskofseverepersonalinjuryordeath disconnectpowerbeforeworking servicingonappliancetoavoid electrical shock Tolocateanauthorizedservicerpleasecontact ComServ Support Center Web Site Telephone Number WWW ACPSOLUTIONS COM E Mail commercialservice acpsolutions com 1 866 426 2621 or 319 368 ...

Page 5: ...icer is to cease repair and contacttheACPComServ Department immediatelyforfurtherdirection ACP willcontacttheproperGovernment Agency upon verification of the test results 1 Always operate the unit from an adequately grounded outlet Do not operate on a two wire extension cord 2 Beforeservicingtheunit ifunitisoperable perform themicrowaveleakagetest 3 Theovenshouldneverbeoperatedifthedoordoes not fi...

Page 6: ... 61 YJ17 1cGCJG61 1 M 1 O 5 1 1 M 1 VL 0 1Y a1D 1 1 1L 1 1 7 1 1 M 10 L 16 1 1L 1 O 1 M 0 1 1O 1 1 M 1 VL 0 1JM 1 8 1 D1 O 1 1 81 K 1 1M e1 Qe1 1 81D 1 1 1 1 K 1D 1 L 1 1 7 81L 11 C 1I M1 81 VL 0 e1 Y G1 BGW Y 1 1 81IM 1L 1781 c 6WG 9 1 1 1 K1 L 1 1 K 1C4A1 D1 M 1 I 10 L 1 6Y1 YJ1M 17 7817 1 1 O 2 1 781D 1R 1 M 17 1 1IM 1M 1 1 1 1 1 M Q 17 D 1 L0 e1 1 1 1 O 17L 221 6Y1 YJ1 1 M 1 VL 0 1 D1 1M 1 1 0...

Page 7: ...M 1 0 17 D 1 0 O K1 M 1 OU11 1 P 0 1 1IM 1 K1 1 1 1 M 1L 1 1 M 1 2 1 6 1 1 1D 1D 81 1 O 1X 1 L 1 O M 1 17 1M f L 1 1M 3 1 6 1 1 Q1 1 M 1 KK 1 1 M 1 1I M1 1L 7 Q 18 Q1L K10 I O 1 K8 1 B L 10 817L 1L 1 1 L 1B 18 Q1 I M1D Q1 1Q D 17 D 1 Q K E 1 B 1 Q 1 D1 e1 0 e1 1 0 1 D 17 D 1 Q K1I M10 I O 1 K8 1 NM 1 Q 1 1 e1 01 1 O 8 1 A 1 6 1 1 1 VL 0 1I M L 1 1 1D 1 1 O 1 O 8 1 5 _ I O 1 1 M L 1 17 1 1 1 O 5 1 ...

Page 8: ...6 DEC 50 Hz Specifications Power Specification Input Output Consumption Oven Dimensions Weight Installation Unpacking the oven Radio Interference 2 ...

Page 9: ...321mbU 1FA 1T321mbU FA 1T321mbU FA 1T321mbU Cavity Dimensions N M 1EE 1T2EbU 1EE 1T2EbU EE 1T2EbU EE 1T2EbU c KM 12 21T51nbU 112 21T51nbU 2 21T51nbU 2 21T51nbU 6 M 1E F1T23bU 11E F1T23bU E F1T23bU E F1T23bU Weight Crated 391QK 1T531 7 U1 1 1EE1QK 1T E1 7 U EA1QK 1T A1 7 U EA1QK 1T A1 7 U 3F1QK 1TF51 7 U 1E 1QK 1T5 1 7 U E21QK 1T591 7 U E21QK 1T591 7 U Unpacking Oven o1 1 O 1D 1 0 K 1 L M1 1 1 1 1 ...

Page 10: ...8 DEC 50 Hz Quick Start Reference Guide Control Panel Programming items Clean Filter Settings User Options Changing options Factory presets 3 ...

Page 11: ...rowave oven can cause voltag der unfavorable voltage supply conditions can have adverse effects This device is intended for the connection to a power supply system with a maximum permissable system impedance Zmax of 0 31 Ohms the requirement above If necessary the user can ask the public power supply company for the system impedance at the interface point X2 Programming some models To change the c...

Page 12: ...until door is opened 2 Speaker Volume OP 20 OP 21 OP 22 OP 23 Eliminates beep Sets volume to low Sets volume to medium Sets volume to high 3 Key Beep OP 30 OP 31 Prevents beep when pad is pressed Allows beep when pad is pressed 4 Keyboard Enable Window OP 40 OP 41 OP 42 OP 43 15 seconds after oven door is opened keyboard disabled 30 seconds after oven door is opened keyboard disabled 1 minute afte...

Page 13: ...11 DEC 50 Hz Components 4 ...

Page 14: ... Interlock Switch Assembly Tray Support Oven Tray Touch Panel Grease Shield Air Filter This Side Up This Side Up Included in oven beginning S N 1010101648 Tray Support is now included in Oven Tray Kit Part 14109040 ...

Page 15: ...13 Components Basepan Diodes Blower Motor Capacitors Diode Bracket HV Transformer Traic DANGER High Voltage Components 0 1123122143 ...

Page 16: ...14 Components Antenna Motor Washer Shaft Gear Top Antenna Assembly Bottom Antenna Assembly Antenna Motor Magnetrons DANGER High Voltage Components ...

Page 17: ...15 Components Control Board Cavity Thermal Cutout Magnetron Thermal Cutout Traic HV Transformer Blower Motor Upper Antenna Motor DANGER High Voltage Components ...

Page 18: ...16 Components Sample Door Assembly 5 6 7 8 7 9 7 7 6 6 7 6 ...

Page 19: ...17 Disassembly Inner door window removal Switch replacement door adjustment 5 ...

Page 20: ...carefully insert 1 25 mm putty knife between inner and outer door Pry up on inner door to release tabs 2 tabs per side Work in aclockwise direction to release all tabs see illustration below 1 2 3 4 Tabs Remove T15 safety Torx screws CAUTION When glass retainer is removed be careful glass does not fall out of frame ...

Page 21: ...h assembly towards front of oven and tighten screws 5 Transfer wires to new switch 6 Install wire ties Important It is necessary to adjust the door assembly for correct switch function 7 Tape shims 12382602 and 12019302 to door as shown 12382602 Shim 060 in 1 5 mm 12019302 Shim 030 in 75 mm 8 With door closed loosen door hinge bolts 1 2 turn 9 Lift upward on door using the door handle 10 With left...

Page 22: ...itor Diode Location Capacitor Diode location starting S N 0902100848 and location prior to S N 0902100848 Capacitor Diode Location S N 1103100152 and Earlier Capacitor Diode Location S N 1103100153 and After 6 ...

Page 23: ...is configuration to improve airflow to short lead diode Used on models starting at serial number 0902100848 Used on models starting prior to serial number 0902100848 Img Ref PartNumber Series Description Qty Note 1 A 6B346A36 CD E 2 Note 0 FG 3435633787 1 A H4733355 ICJK CD E 2 Note FG 3435633787 ...

Page 24: ...22 Capacitor Diode Location S N 1103100152 and Earlier Capacitor and Diode Location DANGER High Voltage Components ...

Page 25: ...23 Capacitor Diode Location S N 1103100153 and After Capacitor Location C L FG MN J O F DANGER High Voltage Components View of left side facing oven View of right side facing oven ...

Page 26: ...24 Airflow 7 ...

Page 27: ...25 Air filter must be in place and cleaned regularly Some Models ...

Page 28: ...26 Component Testing Procedures 8 ...

Page 29: ...e Between Terminals Meter should momentarily deflect towards zero then return to over 5 M If no deflection occurs or if continuous deflection occurs replace capacitor Terminal to Case Infinite resistance Snubber Assembly Disconnect wires to snubber Measure resistance across terminals Infinite Magnetron Discharge Capacitors Remove wires from magnetron and connect ohmmeter to terminals Also check be...

Page 30: ...witch assembly Disconnect wires to switch With door open measure resistance from Terminal C to NC Monitor Terminal C to NO Primary Logic Terminal C to NO Secondary With door closed measure resistance from Terminal C to NC Monitor Terminal C to NO Primary Logic Terminal C to NO Secondary Door Closed Primary Logic C NC NO C C NO Secondary Monitor Continuity Infinite Infinite Infinite Continuity Cont...

Page 31: ... line voltage Fan relay controls blower motor antenna motor s and oven light Control board Terminals L2 BU J2 7 OR Control board Terminals E1 RD E4 PK Line voltage All Conditions 0 VAC Idle and Standby 0 9 VAC Cook Line voltage Idle 0 VAC Standby and Cook Line voltage Idle 0 volts Standby and Cook Invensy Control Board CPI Control Board Pin 1 Pin 1 P1 P2 A B C J F K Line voltage to control board P...

Page 32: ...or 2 Press and hold pad 3 for five 5 seconds NOTE After five 5 seconds SErv illuminates in the display 3 Press pad 1 for Magnetron Hours 4 Press pad 2 for Magnetron Cycles 5 Press pad 3 for Door Cycles Conditions Initial Power Up Condition Apply power to oven with door closed Idle Condition Oven plugged in display blank no other components operating Standby Condition Open oven door light and motor...

Page 33: ...hould 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 of the cycle remove test container Using...

Page 34: ...32 Troubleshooting Intial Power Up Standby Condition Cook Condition 9 ...

Page 35: ...rol board Broken or improper wire connections Proceed to Standby condition YES Which display is shown Open magnetron TCO Inoperative interlock switch assembly logic 1 2 3 Blower oven light and antenna all activate Open cavity TCO 4 5 Open magnetron TCO Broken or improper wire connections Troubleshooting ...

Page 36: ...ive light bulb Inoperative light socket Inoperative auto transformer Broken or improper wire connections 1 2 3 4 Inoperative antenna motor Binding gears bottom antenna only Inoperative auto transformer Broken or improper wire connections 1 2 4 5 Inoperative interlock switch assembly logic or primary Inoperative control board Broken or improper wire connections 1 2 3 NO Inoperative control board 5 ...

Page 37: ...tory preset at 60 seconds but can be changed with user options Shut down door open approximately 2 minutes After shut down display goes blank Display Display Broken or improper wire connections 7 Inoperative or misadjusted interlock switch assembly 5 Inoperative or misadjusted interlock switch assembly Broken or improper wire connections 5 Display counting down to 0 and beep sounds Yes Magnetron T...

Page 38: ...36 Wiring Diagrams Schematics 10 ...

Page 39: ...NE FILTER BK LINE LOAD L1 L1 L2 L2 BR BU BU BR CL BK CL GN YL WH 28 OR 7 TOROID OVEN THERMAL LINK MON FUSE A B C D BU LINE FILTER LINE L1 L2 L1 LOAD L2 BLOWER MOTOR NO NC OR 9 WH 3 WH 2 WH 3 SECONDARY COM COM NO NC MONITOR BU 14 OR 8 BK 23 WH 1 UPPER ANTENNA MOTOR WH 2 BK 24 BK 24 BLOWER MOTOR NO NC GY 20 OR 7 BR 18 RD 15 CONTROL BOARD J2 PK 11 RD 22 BU 14 COM NC PRIMARY NO VT 17 YL 6 COM J1 J4 RD...

Page 40: ... ALL MODELS INTERLOCK SWITCH SECONDARY UPPER ANTENNA MOTOR UPPER ANTENNA MOTOR MAG TCO 15A FUSE LINE FILTER INTERLOCK SWITCH PRIMARY OVEN THERMAL LINK POWER CORD J1 2 E4 J4 6 J2 3 J2 2 E1 J4 1 J1 1 E3 G TRIAC 2 J2 5 J2 4 1 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power Schematic Diag...

Page 41: ...mple w Invensy Control Current Production ending at S N 0911102347 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power ...

Page 42: ...Sample w Invensy Control Current Production ending at S N 0911102347 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power ...

Page 43: ... TERM BLK WH 28 BU BR BU LINE FILTER BK LINE LOAD L1 L1 L2 L2 BR BU BU BR CL BK CL GN YL WH 1 MON FUSE A B C D TERM BLK LINE FILTER LINE L1 L2 L1 LOAD L2 BLOWER MOTOR NO NC OR 9 WH 3 WH 2 WH 3 SECONDARY COM COM NO NC MONITOR BU 14 OR 8 BK 23 WH 1 UPPER ANTENNA MOTOR WH 2 BK 24 BK 24 BLOWER MOTOR NO NC GY 20 OR 7 BR 18 RD 15 CONTROL BOARD J2 PK 11 RD 22 BU 14 COM NC PRIMARY NO VT 17 YL 6 COM J1 J4 ...

Page 44: ...R ANTENNA MOTOR UPPER ANTENNA MOTOR TOP MAG TCO 20A FUSE LINE FILTER INTERLOCK SWITCH PRIMARY OVEN THERMAL LINK POWER CORD RECTIFIER C C C NO SECONDARY DOOR CLOSED INTERLOCK SWITCH SCHEMATIC NC MONITOR NO C PRIMARY J1 2 E4 J4 6 J2 3 J2 2 E1 J4 1 J1 1 E3 G TRIAC 2 J2 5 J2 4 1 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before s...

Page 45: ...EC18E2 Sample w Invensey Control ending at S N 0911102347 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power ...

Page 46: ...m DEC18E2 Sample w Invensy Control ended at S N 0911102347 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power ...

Page 47: ...45 Notes ...

Page 48: ...www acpsolutions com 01 23 45 6 7 7 8 94 7 1 8 1 ...

Reviews: