Service Manual |
Vacuum Cleaner |
Model : RC-450 |
DAEWOO ELECTRONICS CO., LTD. |
OVERSEAS SERVICE DEPT. |
1. SPECIFICATION
MODEL |
RC-450 |
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RATED VOLTAGE/FREQUENCY |
AC 230V/50Hz |
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INPUT WATT |
MAX 1300W (CEE 1100W) |
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WEIGHT(BODY) |
5.2kg |
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DIMENSION(LXHXD) |
376X231X286m |
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CORD LENGTH |
6m |
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POWER CONTROL |
ELECTRONICS VARIABLE |
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DUST METER |
MECHANICAL |
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HOSE |
CURRENT 1.8m |
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EXTENSION PIPE |
2 STEELS |
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NOZZLE |
WIDE SUCTION BRUSH, DUSTING BRUSH, |
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CREVICE TOOL |
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2
2. DIAGRAM
2-1. WIRING DIAGRAM |
2-2. CIRCUIT DIAGRAM |
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T2 |
TRIAC |
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C2 |
T1 |
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C3 |
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C4 |
C5 |
R4 |
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DIAC |
S /V |
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AC 230V/50Hz |
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R3 |
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THERMOSTAT |
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C1 |
R1 |
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MOTOR |
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3 |
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3. CAUSE OF TROUBLE AND COUNTERMEASURE
TROUBLE |
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CAUSE |
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SUCTION POWER IS
WEAK
CLEANER DOES NOT WORK
MOTOR DOES NOT STOP EVEN IF SWITCH OFF
MOTOR DOES NOT STOP EVEN IF SWITCH OFF
POWER CORD IS NOT
WOUND UP
FILTER BAG(PAPER OR CLOTH) IS FULL WITH DUST
CLOGGING OR TEAR IN HOSE
DEFECTIVE MOTOR
BREAKING IN POWER CORD
(AT BLADE TIP OR ROOT OF PLUG)
BREAKING OF CONNECTIONS IN HOSE ASSEMBLY
DEFECTIVE SLIDE VOLUME LOCATED IN HOSE HANDLE
DEFECTIVE PCB ASSEMBLY
BREAKING OF CONNECTIONS OR POOR CONTACTS IN CORD REEL ASSEMBLY
DEFECTIVE MOTOR
BREAKING OF CONNECTIONS IN BODY ASSEMBLY
DEFECTIVE SWITCH
DEFECTIVE PCB ASSEMBLY
DEFECTIVE PCB ASSEMBLY
BROKEN REEL SPRING OF CORD REEL
POWER CORD BROKE AWAY FROM THE BOBBIN
COUNTERMEASURE
CHANGE IT WITH NEW ONE
REMOVE OBSTACLE OR REPLACE THE HOSE
REPLACE THE MOTOR
REPLACE THE POWER CORD
REPAIR
REPLACE IT
REPLACE IT
REPAIR
REPLACE IT
REPAIR
REPLACE IT
REPLACE IT
REPLACE IT
REPLACE IT
REPAIR
¡ÿCAUTION : BE CAREFUL WHEN BREAKING UP THE CORD REEL. THE REEL SPRING MAY SPRING OUT OF THE SPRING COVER.
POWER CORD DOES NOT STOP AT AN ARBITRARY POSITION
ABRASION OF THE ROLLER BRAKE OF CORD REEL
LEVER SPRING BROKE AWAY FROM THE CORD REEL BRACKET
REPLACE THE ROLLER BRAKE
REPAIR
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4.DISASSEMBLING
1.Open the dust cover. While inserting the tip of the [-] screwdriver into the slit, push it upward.
2.Close the dust cover and remove the middle cover.
3.Unscrew the 6 [+] screws which lock the body and the body cover.
4.Remove the protector and unscrew the 2 [+] screws.
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5. EXPLODED VIEW AND PARTS LIST
5-1. BODY ASSEMBLY(3620406800) |
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