LG DLEX4370 Series, Service Manual

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1. SPECIFICATIONS .................................................................................................................. 4
2. FEATURES AND BENEFITS ................................................................................................... 6
3. INSTALLATION INSTRUCTIONS ............................................................................................ 6
4. DRYER CYCLE PROCESS .................................................................................................... 11
5. COMPONENT TESTING INFORMATION ............................................................................. 12
6. MOTOR DIAGRAM AND SCHEMATIC ................................................................................. 15
7. WIRING DIAGRAM ............................................................................................................... 16
8. STEAM FUNTION ................................................................................................................. 18
8-1. STEAM CYCLE GUIDE .................................................................................................. 18
8-2. TROUBLESHOOTING .................................................................................................. 19
8-3. DISPLAY FAULT/ERROR CODES ................................................................................. 20
8-4. TROUBLESHOOTING WITH SYMPTOM ....................................................................... 22
9. FLOW SENSOR FUNCTION ................................................................................................. 29
9-1. FLOWSENSOR .............................................................................................................. 29
9-2. INSTALLATION CHECK ................................................................................................ 30
9-3. TROUBLESHOOTING FOR FLOW SENSOR DRYER .................................................... 31
10 . DIAGNOSTIC TEST ............................................................................................................ 32
10-1 TEST 1 120V AC ELECTRICAL SUPPLY ...................................................................... 33
10-2. TEST 2 THERMISTOR TSET – MEASURE WITH POWER OFF .................................... 36
10-3. TEST 3 MOTOR TEST .................................................................................................. 37
10-4. TEST 4 MOISTURE SENSOR ...................................................................................... 38
10-5. TEST 5 DOOR SWITCH TEST ..................................................................................... 39
10-6. TEST 6 HEATER SWITCH TEST – ELECTRIC TYPE .................................................... 40
10-7. TEST 7 GAS VALVE TEST – GAS TYPE ...................................................................... 41
10-8. TEST 8 MOTOR ASSEMBLY, DC, PUMP .................................................................... 42
11. CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) ............................................. 43
12. DISASSEMBLY INSTRUCTIONS ........................................................................................ 45
13 . EXPLODED VIEW ............................................................................................................... 56
13-1. CONTROL PANEL AND PLATE ASSEMBLY ............................................................... 56
13-2-1. CABINET AND DOOR ASSEMBLY: ELECTRIC TYPE ............................................ 57
13-2-2. CABINET AND DOOR ASSEMBLY: GAS TYPE ....................................................... 58
13-3-1. DRUM AND MOTOR ASSEMBLY: ELECTRIC TYPE ................................................ 59
13-3-2. DRUM AND MOTOR ASSEMBLY: GAS TYPE ......................................................... 60
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