CLOTHES DRYER Technical Information • • Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit. Refer to Service Manual (DV456*,DV422*,DV400*) for detailed installation, operating, testing, troubleshooting, and disassembly instructions. CAUTION All safety information must be follwed as provided in Service Manual of DV456*,DV422*,DV400*.
ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. ERROR ITEMS AND DIAGNOSTIC CODES An occurrence of an Error will make a sound of error melody for 5sec and continuously show one of the Error Displays from the following errors. Error Display Trigger Action Taken Check for: - Clogged lint screen. - Restricted vent system. - Check Thermistor resistance.
ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. TEST MODE Continuous Run Mode: 1. Press Wrinkle Prevent + Dry Level for 7 sec during Power On State (Normal User Mode) . 2. Once in Continuous Run Mode, display “CC” for 1 sec and the number of Cycle for 1 sec and the remaining time for 1 sec in turns. 3.
ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. Data Display Mode Definition of Temperature Display Mode: Display Mode 0 : Temperature data(Celsius) Display Mode 1 : Average Touch Sensor data for 1 minute Display Mode 2 : Average Temperature(Celsius) data for 1minute How to Enter: With Power On, press AdjustUp Key + AdjsutDown Key for 7 seconds until it sends out a beeping sound .
ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. TROUBLE DIAGNOSIS - As the micom dry machine is configured of the complicate structure, there might be the service call. Below information is prepared for exact trouble diagnosis and suitable repair guide. Caution for the Repair and Replacement Please follow below instruction for the trouble diagnosis and parts replacement.
TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. No Problem What To Do • • • • All wires are hooked up to their corresponding terminals. Dryer is plugged in. Blown fuse or circuit breaker. Door switch functional...door closed. Check for error code 3 (See Table for codedefinition). Start/Pause rotary selector dial functional. Control Board operational.
TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power.
TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. COMPONENT TESTING PROCEDURES Component Electrical Testing (with ohmmeter) Thermistor resistance 10K Ω @ 25°C 77°F Thermostat 1 resistance < 1Ω Belt Cut-off S/W - Lever open: Resistance value < 1Ω - Lever push: Resistance value : ∞ Ω Thermostat 3 resistance < 1Ω - If resistance is infinity, replace thermostat 3.
TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. GAS MODEL Radiant Sensor(10RS) Resistance value < 1 Ω If resistance is infinite, replace Radiant sensor Gas Valve(25M01A) Valve 1-2 : Resistance value 1.2K Ω Valve 1-3 : Resistance value 0.5K Ω Valve 4-5 : Resistance value 1.
TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. 1. 2. 3. CN1 AC Power Port Door Detection Sensor Motor Switch Sensor - RY7 Heater Relay Switch - RY5 Motor Relay Switch Sensor Bars & temperature sensor check Sensor Bars - Disconnect harness and test Pink wire Pin 4 to Orange wire Pin 5.
TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. 3-WIRE system connections A. B. C. D. E. External ground connector Neutral grounding wire (green/yellow) Center silver-colored terminal block screw Neutral wire (white or center wire) ¾” (1.9 cm) UL-listed strain relief 1. Loosen or remove the center terminal block screw. 2.
WIRING DIAGRAM WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. WIRING DIAGRAM 12 [HUDSON]_Technical_information-03171A_EN.
