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MICROWAVE OVEN BASIC: CP1395EST MODEL: CP1395E-S MODEL CODE: CP1395E-S/XET MICROWAVE OVEN CONTENTS 1. Precaution 2. Product Specification 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Part List 6. PCB Diagrams 7. Wiring Diagrams 8. Schematic Diagrams Refer to the service manual in the GSPN(see rear cover) for the more information.
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PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be (c) Before turning on microwave power for operated with the door open. any service test or inspection within the (b) Make the following safety checks on all microwave generating compartments, ovens to be serviced before activating the...
1. Precautions Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( 1.
1-2 Special Servicing Precautions 17. When checking the continuity of the switches or NOTE: Connect the oven to a 20A. transformer, always make sure that the power is When connecting the oven to a 15A, make OFF, and one of the lead wires is disconnected. sure that circuit breaker can operate.
In addition, you can also easily clean the inside of the upper grill by turning Cleaning the upper grill (a dual movable grill has been utilized) so that you can use the oven as if new. 2-2 Product Features Model CP1395E-S Microwave 1550W Combi Power 3050W...
2-3 Specifications BASIC MODEL NEW MODEL Items Sub - items CP1395EST CP1395E-S Capacity 1.3 cu.ft. (36 Liter) 1.3 cu.ft. (36 Liter) Installation Counter Top Counter Top Type Heat Source MICROWAVE OVEN MICROWAVE OVEN Power Source 230 V / 50 Hz 230 V / 50 Hz...
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2-3 Specifications (Continued) BASIC MODEL NEW MODEL Items Sub - items CP1395EST CP1395E-S Cabinet Color Stainless Stainless Door Color Stainless Stainless Cavity Interior Ceramic Enamel Ceramic Enamel Upper: Sheath Upper: Sheath Materials & (Grill 1500 W) (Grill 1500 W) Finishes Grill Heater...
3. Disassembly and Reassembly 3-1 Replacement of Magnetron & Lamp Parts Explaination Photo Explaination 1. Remove 3 screws from Air-Cover. Removal of 2. Remove 1 screw and Lead wire from magnetron. Magnetron 3. Remove nuts securing the magnetron to the wave guide. Removal 4.
3-2 Replacement of High Voltage Transfer Parts Explaination Photo Explaination 1. Discharge the high voltage capacitor. 2. Disconnect all the leads. Removal of High Voltage 3. Take off the lead wire from guide air duct. Transformer 4. Remove the mounting bolts. 5.
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3-2 Replacement of High Voltage Transfer (Continued) 3. Remove the mounting bolts. 4. Replace the High Voltage Transformer 5. After replace, reconnect the leads correctly and firmly. PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron. PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGHVOLTAGE TRANSFORMER secondary and filament terminals.
3-3 Replacement of Assy Casing assembly Parts Explaination Photo Explaination 1. Disconnect leads from vent motor. Removal 2. Take off the lead wire from guide air duct. of guide air duct 3. Remove the mounting bolt. 4. Lift up the assy-guide air upper. - 11 -...
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3-3 Replacement of Assy Casing assembly (Continued) Parts Explaination Photo Explaination 5. Disconnect all the leads. Removal of 6. Remove the mounting bolts. assy casing 7. Remove 2 screws in the cavity left side. 8. Push the stumbling block for taking off assy casing. - 12 -...
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3-3 Replacement of Assy Casing assembly (Continued) Parts Explaination Photo Explaination 9. Remove the nut. Removal of convection 10. Remove 4 screws from casing and washer-plain. motor 11. Take off the convection motor. - 13 -...
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3-3 Replacement of Assy Casing assembly (Continued) Parts Explaination Photo Explaination Removal of 12. Remove the mounting bolt. convection heater → 13. Pull the convection heater to the right to separate it. - 14 -...
3-4 Replacement of Door Assembly Parts Explaination Photo Explaination Removal Separate Assy door by fixing jig into the of Door hinge as shown in the fiqure Assembly Door "C" Door "C" Insert flat screwdriver into the gap be- Removal of tween Door “E”...
3-5 Replacement of Damper Motor & Drive Motor Parts Explaination Photo Explaination 1. Remove the 2 screws holding the Damper Motor at Removal of the top right. (You have to reassemble the Damper Motor aligning the holes of the motor precisely for it Damper Motor to operate properly.) 1.
3-6 Replacement of Assy Weight Sensor 1. Take out the glass tray, guide roller from oven cavity, disconnect power. 2. Remove turn table motor cover from case bottom. Removal of CAUTION : Remove sharp edge after cover removal. Assy sensor weight system 3.
3-7 Calibration Method ① ③ ⑤ ② ④ ⑦ ⑥ ① KEY_SENSOR_DEF ② KEY_SENSOR_COOK ③ KEY_KEEP_WARM ④ KEY_WEIGHT ⑤ KEY_START ⑥ KEY_CANCEL ⑦ KEY_SELECT * standby mode : display is clear. 1. supply power. 2. open the door.(Beep start) - set is on. 3.
3-8 Replacement of Heater Parts Explaination Photo Explaination 1. Remove 4 screws and wire lead. Removal of Heater 2. Pull the Heater in the direction of the groove from the inside the Cavity to separate it. - 19 -...
3-9 Replacement of Assy Duct Inner ( Gas sensor) Parts Explaination Photo Explaination 1. Disconnect leads from vent motor. Removal 2. Take off the lead wire from guide air duct. of guide air duct 3. Remove the mounting bolt. 4. Lift up the assy-guide air upper. - 20 -...
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3-9 Replacement of Assy Duct Inner ( Gas sensor) Parts Explaination Photo Explaination 5. Disconnect leads from Main PCB. Removal of Assy duct 6. Remove 2 screws. inner (Gas sensor) 7. Take off Assy duct inner. - 21 -...
3-10 Replacement of Control Circuit Board Parts Explaination Photo Explaination 1. Disconnected Lead wire from Control box Assembly. 2. Remove the 2 screws at both ends holding the Control Box Assembly. 3. Pull the Control Box Assembly to the left to separate it. Removal of Control Assembly...
4. Troubleshooting 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven.(CMO, OTR, Grill, Convection, Commercial etc.) 2. All sensors and devices have their own number. ex) Gas Sensor = 1, Temp. Sensor = 2, ... 3.
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4-1 Failure Codes (Continued) Temp Sensor Error Case Page Solution Code TEMPER SENSOR OPEN In case the value of the 26 Page E-21 temperature sensor value is more than 250 during operation/ cancellation. Check sensor part and connection of sensor housing and PCB’s connector TEMPER SENSOR SHORT In case the value of the...
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4-1 Failure Codes (Continued) Eeprom Error Error Case Page Solution Code Open (Sensor Failure) E-51 Replace EEPROM and restart. 32 Page Read/Write Error E-53 Mater - Slave MCU Error Error Case Page Solution Code Communication This error occurs when Check the communication about Assy display 33 Page E-83 communication does not working...
4-3 Electrical Malfunction 4-3-1 Sensor Open Error Sensor Open Error (E-11, E-21, E-31) Connect the sensor. Is the sensor disconnected? : Check if the sensor housing is inserted into the connector of the main PCB. Is the sensor wire Connect the : Check if the sensor wire is damaged, if the connected properly? wire properly.
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4-3-2 Sensor Short Error Sensor Short Error (E-12, E-22, E-32) Remove the shorted part : Check if both terminals of the Is the sensor shorted? of the temperature sensor. sensor are slightly shorted. Is the sensor terminal part : Check if the sensor and related Remove any foreign of the PCB shorted? Substance from the...
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4-3-3 Sensor Max Time Error Gas Sensor Max Time Error (E-13) Does it heat up without Insert food : Since heating without placing food into placing food into it? and heat it again. the oven may damage the product, take care. Does it heat with completely Place food with : Since heating completely dried food...
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4-3-4 E-23 Preheating Error (E-23) : Check the voltages of both heater terminals. Check the heater Does the heater work? related drive part. 230V is normal Is the heater temperature : After operating the heater for more then Replace the heater. very low? 10 minutes check if the heater temperature remains low.
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4-3-5 E-25 Initial Temperature Error (at MW mode), (E-25) Is the oven in MW mode? An “E-25” error Is the internal temperature occurred. over 200 degrees? Press the Cancel key. Press the Cancel key to cancel the current state. Connect it Is the sensor connectivity properly normal?
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4-3-6 E-37 , E-38 , E-39 “E-37,E-38,E-39” is displayed Has the turntable been placed Placed the turn table over the support-tray properly? over the support-tray properly Do you have a problem on calibration? S/W Error. Replace the PCB. Perform the calibration (Refer to page 18) Perform the operation again and check it is working properly...
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4-3-7 E-51 , E-53 “E-51, E-53” is displayed. Insert and solder : An R4LCO40 or 24LCO4 EEPROM EEPROM이 삽입 되었는가? Has the EEPROM been inserted? an EEPROM is to be used. Check if a proper EEPROM has been installed. Replace the Is the EEPROM terminal opened or EEPROM 단자가...
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4-3-8 E-83 LCD PCB Communication Error ( “E-83” ) Connect PCB to : Check if the the connector soldering parts are Does main PCB disconnect assy display. slightly shorted to assy display? Remove any foeign Is the display connector(CN01) substance from part of the display PCB shorted? the shorted part.
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4-3-9 E-A1 Damper Position Detection Error (E-A1) Operate the Microwave Oven for 1 minute and then operate Oven mode. Does the Damper Swing Replace the Damper Motor Motor work properly? The voltage between the two terminals while operating : 230V is normal. The resistance of the Motor : Approximately 15K is normal The Micro Switch is defective.
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4-3-10 -SE- “- SE -” is displayed. Is the key not recognized at all? Is the key recognized intermittently? Is a specific key not recognized? The membrane is defective. S/W Error Replace the Control Panel. After Power > On, does the symptom continue? Replace the PCB.
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4-3-11 If MWO malfunction MWO does not operate. Close the door and check if the Micro Switch is working properly. Is Primary interlock Is Fuse OK? switch normal? Is the power part of Replace ASSY PCB PCB normal? Is CON1 TCO & MONITOR FUSE &...
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4-3-12 If OVEN malfunction Oven Mode does not work. Close the door and check if the Micro Switch is working properly. Is the primary interlock Is Fuse OK? switch normal? Is the power part of Replace ASSY PCB PCB normal? Are CON1 TCO &...
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4-3-13 If Assy Display malfunction Ass’y Display does not work. Close the door and check if the Micro Switch is working properly. Is the primary interlock Is Fuse OK? switch normal? resistance : 0 ~ 25Ω is normal MΩ over is abnormal Is the power part of Replace ASSY PCB PCB normal?
5-2 Main Parts List (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty Remark B013 DE66-00223A LEVER-SWITCH L TRIO PLUS,PA,NON-FLAMMABL B022 DE94-02203B ASSY BODY LATCH-R CP1395EST,TRIO PLUS SE B023 DE94-02200A ASSY BODY LATCH-L TRIO PLUS,NYLON#66 GF1 B025 DE94-02201A ASSY BODY LATCH SUB-L TRIO PLUS,NYLON#66 B045 DE61-01226A...
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5-2 Main Parts List (Continued) (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty Remark PTM-K312-K2,MG620440,-20- M054 DE32-10013A SENSOR to+310C,1 M075 DE66-00176A CAM-MOTOR 1.5CONV,POM(K300NTR) M086 DE63-00460A COVER-LAMP AURORA,STS430,T0.4,W42.4,L34. M090 DE67-00226A FAN-CONVECTION AURORA,ALSTAR,T0.6,W125,L M131 DE65-20005A WIRE-SADDLE 2N,-,-,-,- M155 DE94-02199A ASSY BASE PLATE TRIO PLUS,SGCC,T0.6 AURORA M163...
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5-2 Main Parts List (Continued) (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty Remark T001 DE74-20002B TRAY-COOKING -,GLASS,T6,HKG,PI360,1.2CUF T007 DE63-00630A TRAY-BROILER TRIO PLUS,ALUMINIUM,T0.8,D3 T009 DE97-00136B ASSY WIRE RACK CK95,-,-,LOW-RACK T010 DE97-00136E ASSY WIRE RACK MG104WA,114,FOOT,VE-TYPE T030 DE74-00018D RACK-WIRE 3RD-1.0,MSWR10,PI3.0,-,110,-,S T050 DE97-00715A...
6. PCB Diagram 6-1 PCB Diagram Parts Number Part Name Function and Rule RY601 Main Relay Lamp, T/T Control RY602 Inrush Relay Inrush Electric Current Decrease RY603 Power Relay MW Power Control RY604 Conv. Motor Relay Conv. Motor Control RY605 Damper Relay Damper Motor Control RY606...
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