ADC 450428 - page 62

ADC 450428 1- 02/22/00-25

Contents

Main Retain This Manual In A Safe Place For Future Reference Important ML-130 Page Page Table of Content Page SECTION I IMPORTANT INFORMATION A. SAFETY PRECAUTIONS Page SECTION II ROUTINE MAINTENANCE A. CLEANING B. ADJUSTMENTS C. LUBRICATION SECTION III INSTALLATION REQUIREMENTS A. ENCLOSURE, AIR SUPPLY, and EXHAUST REQUIREMENTS B. ELECTRICAL and GAS REQUIREMENTS C. OPERATIONAL SERVICE CHECK PROCEDURE Page SECTION IV DESCRIPTION OF PARTS A. CONTROL BOX B. DRIVE MOTOR C. HSI (HOT SURFACE IGNITION) MODULE (Gas Models Only) D. GAS BURNER ASSEMBLY E. BLOWER MOTOR and IMPELLOR F. IDLER ASSEMBLY Page J. SAIL SWITCH (Gas and Electric Models Only) K. HI-LIMIT (Gas and Electric Models Only) L. MANUAL RESET THERMOSTAT M. LINT DRAWER N. LINT DRAWER SWITCH O. STEAM DAMPER SYSTEM SECTION V SERVICING INTRODUCTION WARNING: PERSONAL INJURY COULD RESULT. A. COMPUTER CONTROLS To Replace Computer Control Panel To Replace Computer To Replace Keyboard (Touchpad) Label Assembly To Replace Microprocessor Temperature Sensor Probe NOTE: DO NOT remove screws. B. IGNITION CONTROLS To Remove Hot Surface Ignitor (refer to illustration above) To Remove Flame Sensor Probe HSI Ignitor Flame Sensor Probe To Replace Gas Valve (Refer to burner illustration on previous page [page 17].) To Replace Main Burner Orifices To Test and Adjust Gas (Water Column) Pressure To Convert from Natural Gas to L.P. Gas To Replace Burner Tubes To Replace HSI (Hot Surface Ignition) Module IMPORTANT: UNDER NO CIRCUMSTANCES should heat circuit safety devices ever be disabled. NOTE: Models manufactured as of 1998 are equipped with a manual reset hi-limit thermostat. To Replace Manual Reset Tumbler Hi-Heat Protector (225 F [107 C]) Thermostat IMPORTANT: UNDER NO CIRCUMSTANCES should heat safety devices be disabled. NOTE: DO NOT remove the screws. D. SAIL SWITCH ASSEMBLY (Gas and Electric Models Only) To Replace Sail Switch To Adjust Sail Switch E. FRONT PANEL and MAIN DOOR ASSEMBLIES To Replace Main Door Switch Page To Replace Front Panel To Replace Main Door Hinge Block F. PULLEYS To Replace Tumbler (Basket) Pulley To Replace Small Idler Pulley To Replace Large Idler Pulley To Replace Motor Pulley G. TUMBLER (BASKET) ASSEMBLY Tumbler (Basket) Alignment (Vertical) (Up and Down Adjustment) Tumbler (Basket) Alignment (Lateral) (Side to Side Adjustment) To Replace Tumbler (Basket) or Tumbler (Basket) Support IMPORTANT: Never strike the shaft directly with a hammer . To Replace Front Tumbler (Basket) Support Pillow Block Bearing To Replace Front Idler Shaft Pillow Block Bearing To Replace Rear Idler Shaft Pillow Block Bearing I. V-BELTS NOTE: Belts must always be replaced in pairs (matched sets). V-Belt Tension Adjustment (Tumbler [Basket] to Idler) V-Belt Tension Adjustment (Motor to Idler) To Replace V-Belts J. MOTORS To Replace Drive Motor To Replace Impellor Motor (Fan Shaft Drive) Page SECTION VI TROUBLESHOOTING C. Dryer will not start, but computer display indicators are on... D. Drive motor runs, burner is on, but tumbler (basket) will not turn... E. Dryer operates but is taking too long to dry... Page I. Display reads Temp Sensor Failure Check T emp Sensor Fuse. Dryer Sensor Circuit Failure... J. Dryer does not start. Display reads main door or lint door with an audio indication... K. There is excessive vibration coming from the tumbler (basket)... SECTION VII PHASE 6 OPL SYSTEM DIAGNOSTICS A. DIAGNOSTIC (L.E.D. [light emitting diode] DISPLAY) FAILURE CODES Page B. L.E.D. (light emitting diode) DISPLAY INDICATORS Page 1. FAN (BLOWER) Output L.E.D. Indicator 2. FOR (FORWARD) Output L.E.D. Indicator (for Optional Reversing Model ONL Y) 3. REV (REVERSE) Output L.E.D. Indicator (for Optional Reversing Models ONLY) 4. AIR (AIR JET) Output L.E.D. Indicator - OPTIONAL 5. HT1 (HEAT) Output L.E.D. Indicator 6. FUSE (MAIN FUSE) Input L.E.D. Indicator 7. LINT (LINT DOOR) Input L.E.D. Indicator 8. MAIN (MAIN DOOR) Input L.E.D. Indicator Page D. L.E.D. CODES 1. Display Codes Page E. COMPUTER LOGIC and WIRING DIAGRAM Page 1. No Display Condition 2. Drive motor reverses but does not forward, blower motor runs 3. Drive motor works in forward mode but does not reverse, blower motor runs 4. Blower motor does not operate, drive motor runs 5. Lint Door Condition 6. Main Door Condition 7. No Heat drive and blower motors run, display reads normal (gas models). 8. Microprocessor (Computer) IMPORTANT MANUAL RESET HI-LIMIT INSTRUCTIONS FOR PHASE 6 MODELS SECTION VIII TECHNICAL INFORMA TION A. MOTOR PLATE (HIGH and LOW VOLTAGE) B. DATA LABEL Information on the Data Label C. HOW TO USE A MANOMETER NOTE: Place manometer in a position so that readings can be taken at eye level. D. TOOL LIST