Whirlpool MT 263/WH Service Manual Download

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S E R V I C E

Whirlpool Europe
Customer Services

MT 263/WH

This documentation is only intended for qualified technicians who are aware of the respec-
tive safety regulations.
Date: 27.01.1998

Subject to modification

Document-No.: 4812 714 12124

Model

MT 263/WH

Version

8538 263 53291

Page

Introduction safety

Technical data

Text/Legend

4 - 12

Spare part list

Exploded view

Wiring diagram

Program diagram

16 - 17

Service Manual

Microwave oven
MT 263/WH

Summary of Contents for MT 263/WH

Page 1: ...e aware of the respec tive safety regulations Date 27 01 1998 Subject to modification Document No 4812 714 12124 Model MT 263 WH Version 8538 263 53291 Page Introduction safety 2 Technical data 3 Text Legend 4 12 Spare part list 13 Exploded view 14 Wiring diagram 15 Program diagram 16 17 Service Manual Microwave oven MT 263 WH ...

Page 2: ... the oven make sure that each replacement part you use conforms to the manufacturer s specifications Do not start a repair if you have any doubt as to your ability to complete it CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT BE EXPOSED TO THE MICROWAVE ENERGY WHICH MAY RADIATE FROM THE MAGNETRON WAVEGUIDE OR ANTENNA IF THEY ARE IMPROPERLY USED OR CONNECTED ALL INPUT AND OUTPUT MICROWAVE CONNECT...

Page 3: ...30 V 50 Hz 230 240 V 50 Hz UK East Europe 220 V 50 Hz Australia 240 V 50 Hz Hong Kong 220 V 50 Hz USA 120 V 60 Hz Canada 120 V 50 Hz Microwave characteristics Output power 950 W frequency 2450 Mhz Grill 900 W Timer Electronic Range 5 s to 90 min Weight Gross 23 5 kg Dimensions Outer dimensions 320 x 530 x 450 mm Cavity dimensions 205 x 330 x 370mm ...

Page 4: ...S E R V I C E 27 01 1998 Page 4 MT 263 WH Whirlpool Europe Doc No 4812 714 12124 8538 263 53291 Customer Service Text Legend ...

Page 5: ...t It flashes rapidly if the turntable is switched off when it must be rotating m The Power Temp Process bar indicates MW power Jet is indicated by a rolling bar the temperature in convection heating how far the process has advanced when using the auto functions Real time clock Time is set by pressing the CLOCK button Set the hours with the timer knob Press the CLOCK button again and set the minute...

Page 6: ...r grill indicator blinks NOTE 2 The turntable must be rotating when using GRILL only Grill MW combination is allowed with nonrotating turntable however Forced Air El Convection and Fuzzy Crisp Convection only Press the Forced air button repeatedly until the desired temperature in C is displayed If the Forced air button is pressed again the temperature will change to the next level If 0 C is select...

Page 7: ...nd press the START button Turn Table Stop The Turn Table Stop switch is used to select between rotating and non rotating turntable Some functions require that the turntable is rotating however Stop The STOP button aborts any operation started and returns the oven to standby If the door is left open one extra press of the Stop button will switch of the light Microwave Power Control Power table and ...

Page 8: ...her The voltage is doubled in the circuit consisting of the diodes 6110 and 6112 and the capacitors 2101 and 2110 Microcomputer The oven is controlled by a single chip microcomputer It contains RAM and ROM timer and a clock generator The input and output ports are used to control the display and relays to read the keys and the rotary encoder and to measure the signals from the weight humidity and ...

Page 9: ... used to switch on MW Grill FC heat and the FC fan relays The El Crisp does not contain the FC relays The F L relay has to be on to enable any other relay to be activated When the door is open and the fan supply is interrupted by the secondary door switch the frequency of the pulse train on P20 is 340 Hz when the F L relay shall be turned on the dutycycle is 75 low on the El Crisp control and 58 l...

Page 10: ... error code The following codes are implemented ERR 0 Convection temperature sensor fault Not connected or short circuit ERR 1 Short circuit in the MW relay ERR 6 Weight sensor calibration has not been performed ERR 7 Humidity sensor is defect or has not been connected ERR 8 Impossible to write to E PROMERR 9Options have not been set ERR A No wheel detected on weight sensor ERR B No pulses from th...

Page 11: ...any of FC or QH keys is pressed Test Mode Functions The following table is valid for processor 4619 678 4333x The following table is valid for processor 4619 678 4361x Key Crisp Conv Digit F L relay 1901 Grill relay 1904 FC heat 1905 FC fan 1907 Buzzer Clock 4251 5 G on off off off off Toggles Buzzer com munication on off AUT Dfr 4240 4 G on off off off off AUT Cri 4243 1 G on off off off off Cris...

Page 12: ...is off Start calibration CAL If calibration is finished store calibration factor S 4222 off off off off Exit test mode 4252 Cal Fact on off off on if fault Display calibration factor If no pulses display Errb 4232 Balance Err 7 on off off on if fault Display humidity sensor balance The value should be from 129 to 767 Err7 is displayed if no sensor is connected 4231 Fuzzy Temp on on off on if fault...

Page 13: ...31 58019 Magnetron 404 1 4819 462 38875 Conveyor 404 2 4819 462 38874 Air guide 406 0 4819 361 18381 Motor TT 406 1 4819 502 18372 Screw for TT Motor 406 2 4819 532 68686 Gasket ring 411 0 4819 148 68081 Transformer 412 0 4819 145 78208 Transformer HT 240 V 420 0 4819 121 38012 Capacitor HT 240V 420 1 4819 404 78839 Bracket capacitor 421 0 4819 121 18162 Filter mains 426 0 4819 121 18265 Diode HV ...

Page 14: ...S E R V I C E 27 01 1998 Page 14 MT 263 WH Whirlpool Europe Doc No 4812 714 12124 8538 263 53291 Customer Service Exploded view ...

Page 15: ...sfilter 4040 Secondary doorswitch 4050 Monitor doorswitch 4060 Primary doorswitch 4070 Motor fan 4080 Motor turntable 4120 Oven lamp 4130 Thermostat oven 4140 Thermostat magne tron 4170 Thermostat hot air 4180 Heatingelement grill 4181 Heatingelement grill 4190 Heatingelement hot air 4305 Sensor temp 4450 Sensor humidity 2000 HT capacitor 5000 HT transformer 6000 HT diode ...

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