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Alliance Laundry Systems LES19A SERIES, Руководство по обслуживанию

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505692

51

Section 5 Service Procedures

To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the dryer(s) before servicing.
• Close gas shut-off valve to gas dryer(s) before servicing.
• Never start the dryer(s) with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be 

reconnected to ensure that the dryer is properly grounded.

W001R1

WARNING

b. Power Cord:

(1.) Remove access plate on rear of cabinet.
(2.) Remove strain relief.
(3.) Remove screw holding power cord ground 

wire to rear bulkhead. See Figure 34.

NOTE: Reinstall screw and ground wires into same 
hole in bulkhead when reinstalling power cord.

(4.) Disconnect molex plug and remove power 

cord from rear of dryer cabinet.

NOTE: A qualified electrician should check the 
polarity of the wall receptacle. If a voltage reading 
is measured other than that illustrated, the qualified 
electrician should correct the problem.

Figure 34

GROUND

WIRES

GROUND

L1

NEUTRAL

SIDE

115±12

V.A.C.

115±12

V.A.C.

0

V.A.C.

D263SE3B

Содержание LES19A SERIES

Страница 1: ...Service Dryers Nonmetered See Page 5 for Model Numbers Part No 505692 December 1998 D281P...

Страница 2: ...rom Terminal Block To Rear Bulkhead And From Rear Bulkhead To Control Housing Electric Models Only 17 16 Ground Wires From Power Cord To Rear Bulkhead And From Rear Bulkhead To Control Housing Check W...

Страница 3: ...Silicon Carbide Ignition 61 58 Sensor Check Silicon Carbide Ignition 62 59 Igniter Check Silicon Carbide Ignition 62 60 Thermal Fuse Electric Models 62 61 Heater Assembly Electric Models 63 62 Cyclin...

Страница 4: ...ecific instructions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not followed NOTE The word NOTE is used t...

Страница 5: ...authorized technician and using authorized factory parts To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the dryer s before servicing Close ga...

Страница 6: ...ial numbers Model and serial numbers are located on nameplate s as shown Model Identification Information in this manual is applicable to these dryer models Add Letter To Designate Color L Almond W Wh...

Страница 7: ...at the rear of the dryer and over the heat source burner flame for gas and heating element for electric The heated air moves through the heater duct and into the cylinder where it circulates through...

Страница 8: ...Close door Inoperative door switch Test switch and replace if inoperative Timer improperly set Reset timer or try another cycle Inoperative timer Test timer and replace if inoperative Motor starting...

Страница 9: ...AUSE TO CORRECT Incorrect voltage See nameplate in door well for correct voltage Refer to INSTALLATION INSTRUCTIONS supplied with dryer for electrical requirements Clothes load too large Remove part o...

Страница 10: ...als and glides for wear or damage Broken weak or disconnected idler lever spring Replace or reconnect spring Refer to Figure 20 Belt routed on wrong side of idler lever Reroute belt Refer to Figure 19...

Страница 11: ...at cycle Reset timer Try another cycle Inoperative limit thermostat Test thermostat and replace if inoperative Inoperative drive motor switch Test switch and replace if inoperative Electric Models Ino...

Страница 12: ...r or inadequate exhaust system Weather hood flapper restricted See INSTALLATION INSTRUCTIONS supplied with dryer for exhaust requirements Burner heat not holding flame sensor contacts open Replace fla...

Страница 13: ...thermostat terminals If heater element heats or burner ignites when jumper wire is connected refer to Paragraph 10 Gas models Flame sensor contact closing Replace flame sensor Paragraph 35 step c or a...

Страница 14: ...RRECT Heater assembly does not heat or burner does not ignite Refer to Paragraph 5 Too much water in articles being dried Remove excess water Laundry load too large Remove part of load Maximum load Dr...

Страница 15: ...not heat or burner does not ignite Refer to Paragraph 5 Heater assembly or burner cycles off prematurely Refer to Paragraph 9 Improper or inadequate exhaust system Refer to INSTALLATION INSTRUCTIONS s...

Страница 16: ...TALLATION INSTRUCTIONS supplied with dryer for exhaust requirements Clothes are removed from dryer before cycle has completed Allow the dryer to complete the cycle through the cool down to the OFF pos...

Страница 17: ...rvicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W...

Страница 18: ...ground wires must be reconnected to ensure that the dryer is properly grounded W001R1 WARNING 16 GROUND WIRES FROM POWER CORD TO REAR BULKHEAD AND FROM REAR BULKHEAD TO CONTROL HOUSING CHECK WALL RECE...

Страница 19: ...ore servicing Never start the dryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grou...

Страница 20: ...rom control hood assembly NOTE Refer to wiring diagram when rewiring component parts d Remove two screws holding end cap to end of support control panel e Carefully pry end cap from support control pa...

Страница 21: ...anel c Rotate assembly forward to access inner wiring d Disconnect wiring from switch and carefully remove switch from control hood assembly NOTE Refer to wiring diagram when rewiring component parts...

Страница 22: ...ANEL CONTROL HOOD AND CONTROLS D378PE3A SCREWS TOP COVER FABRIC SELECTOR SWITCH SIGNAL SCREW SCREW SCREW CONTROL HOOD REAR PANEL SUPPORT CONTROL PANEL CABINET TOP SWITCH KNOB ASSEMBLY TIMER KNOB ASSEM...

Страница 23: ...ith any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W001R1 WARNING 24 ACCESS PANEL Fig...

Страница 24: ...es 6 or 7 a Open loading door b Models with secured lint filter remove screw from end of lint filter See Figure 7 c Lift lint filter out of air duct paying close attention to orientation IMPORTANT Whe...

Страница 25: ...26 505692 Section 5 Service Procedures Figure 7 SECURED LINT FILTER D306SE3D HINGE ATTACHING SCREWS LINT FILTER ATTACHING SCREW DOOR ATTACHING SCREWS LINT FILTER FRONT BULKHEAD DOOR HINGES...

Страница 26: ...sure that the dryer is properly grounded W001R1 WARNING 27 INNER AND OUTER DOOR PANELS AND DOOR PULL a Remove four screws holding door assembly to hinges See Figures 6 or 7 b Remove remaining screws a...

Страница 27: ...bottom of door liner out then pull down removing door liner from door panel Remove four hinge attaching screws Remove door strike from door liner and reinstall on opposite side Insert liner under fla...

Страница 28: ...cket NOTE You may have to loosen the two screws on end of door to allow for striker and bracket removal 29 DOOR SEAL Figure 10 a Remove inner door panel from outer door panel See Paragraph 27 b Grasp...

Страница 29: ...l is properly positioned when installing on front panel Figure 11 31 DOOR SWITCH Figure 12 a While supporting the access panel remove two screws from bottom edge of access panel See Figure 5 b Gently...

Страница 30: ...n 5 Service Procedures Figure 12 SCREW SCREW NAMEPLATE STICKER STICKER DOOR CATCH SCREW FRONT PANEL ACCESS PANEL DOOR CATCH HINGE HOLE PLUGS LOCATOR HOLD DOWN CLIP DOOR SWITCH FRONT PANEL SEAL SCREW L...

Страница 31: ...y lower the access panel to disengage locators from bottom edge of front panel See Figure 12 3 Close main gas shut off valve 4 Disconnect igniter wires at disconnect blocks sensor wires from flame sen...

Страница 32: ...inals See Figure 13 4 Remove screw holding flame sensor to burner housing See Figure 13 Figure 14 FLAME SENSOR LEAD IN PIPE HEATER BOX ATTACHING SCREWS HEAT SHROUD SENSOR TERMINALS TAB UNION NUT NIPPL...

Страница 33: ...or wires from flame sensor terminals and wires from gas valve coils at the quick disconnect blocks See Figure 13 d Remove screw from right side of burner housing while holding burner tube in place See...

Страница 34: ...it thermostat to burner housing or heater assembly See Figure 15 d Repeat procedure on models with more than one thermostat 38 HEATER ASSEMBLY Electric Models a While supporting the access panel remov...

Страница 35: ...nt panel See Figure 12 IMPORTANT When installing lint filter be sure to install the filter with the words facing the front of the dryer If filter is installed backwards lint will accumulate in exhaust...

Страница 36: ...ct to upper air duct and remove lower air duct See Figure 17 IMPORTANT When reassembling be sure seal on exhaust fan cover makes airtight seal on flange of duct See Figure 16 If the seal is installed...

Страница 37: ...ust assembly be sure wire harness on right side is clipped to motor mounting bracket and is routed along dryer base between motor mounting bracket and right side of cabinet See Figure 16 Tab on rear o...

Страница 38: ...replacing the idler arm it is important to make sure the idler arm moves freely To ensure that the idler arm can move freely proceed as follows 1 Unhook idler spring 2 Lift idler arm approximately 3 i...

Страница 39: ...apable of accepting the terminals from the wire harness terminal block 2 Pry two motor clamps off motor mounting bracket with screwdriver See Figure 20 then lift motor out of mounting bracket NOTE Whe...

Страница 40: ...edge of front panel See Figure 12 c Remove two screws holding bottom tabs on front panel to dryer side panels See Figure 12 Swing bottom of front panel away from dryer far enough to disengage hold dow...

Страница 41: ...anels See Figure 12 Swing bottom of front panel away from dryer far enough to disengage hold down clips and locators from cabinet top d Disconnect wires from door switch See Figure 11 NOTE Refer to wi...

Страница 42: ...yer performance g Remove upper and lower air duct assembly h Cylinder Glides and Glide Bracket See Figure 27 1 Unsnap glide from each glide bracket 2 Drill out rivets holding glide bracket to front bu...

Страница 43: ...ure 11 NOTE Refer to wiring diagram when rewiring switch e Disengage belt from motor and idler pulleys See Figure 19 f Remove four screws holding bulkhead to front flange of cabinet Then lift complete...

Страница 44: ...Figure 19 NOTE When reinstalling belt be sure belt is properly installed on motor and idler pulleys and is on the correct side of the idler lever See Figure 19 Belt must be positioned around cylinder...

Страница 45: ...505692 Section 5 Service Procedures Figure 30 REAR BULKHEAD ATTACHING SCREWS REAR BULKHEAD ATTACHING SCREWS CYLINDER ROLLER CYLINDER ROLLER HEATER DUCT EXHAUST DUCT SCREW OUTLET COVER REAR SEAL D298SE...

Страница 46: ...cabinet Then lift complete bulkhead assembly out of slots in cabinet See Figure 25 IMPORTANT When reassembling be sure seal on exhaust fan cover makes airtight seal on flange of duct See Figure 16 If...

Страница 47: ...hen lift complete bulkhead assembly out of slots in cabinet See Figure 25 IMPORTANT When reassembling be sure seal on exhaust fan cover makes airtight seal on flange of duct See Figure 16 If the seal...

Страница 48: ...ls 1 Remove two screws holding element and plate to heater duct then pull element down and away from heater duct See Figure 15 2 Remove all wires from terminal block NOTE Refer to wiring diagram when...

Страница 49: ...ont panel See Figure 12 3 Remove two screws holding bottom tabs on front panel to dryer side panels See Figure 5 Swing bottom of front panel away from dryer far enough to disengage hold down clips and...

Страница 50: ...d W001R1 WARNING b Power Cord 1 Remove access plate on rear of cabinet 2 Remove strain relief 3 Remove screw holding power cord ground wire to rear bulkhead See Figure 34 NOTE Reinstall screw and grou...

Страница 51: ...panel to dryer side panels See Figure 5 Swing bottom of front panel away from dryer far enough to disengage hold down clips and locators from cabinet top h Disconnect wires from door switch See Figure...

Страница 52: ...yer See Figure 12 8 Remove four screws holding shroud to heater duct Remove shroud out through front of dryer See Figure 12 p Electric Models 1 Remove two screws holding element and plate to heater bo...

Страница 53: ...connect wire harness from limit thermostat thermal fuse and or heating element See Figure 15 g Open loading door and remove lint filter See Figure 7 h Remove screws holding air duct to front bulkhead...

Страница 54: ...NOTE Legs can be adjusted outside the dryer by using a 1 1 4 inch size wrench or from inside the dryer with lower front access panel removed by using a 1 4 inch drive ratchet with extension b Keep dry...

Страница 55: ...the dryer in a heat setting refer to Operating Instructions supplied with the dryer The dryer will start the igniter will glow red and the main burner will ignite e Allow the dryer to operate for app...

Страница 56: ...W001R1 WARNING Section 7 Test Procedures IMPORTANT Electrical test procedures in this service manual are performed by using a Volt Ohm meter Tests can also be performed using a multi meter or any oth...

Страница 57: ...ly depress actuator Continuity broken between switch terminal 5 and black wire C Continuity broken between switch terminal 6 and yellow wire D Manually depress actuator Continuity exists between switc...

Страница 58: ...the dryer is properly grounded W001R1 WARNING d Motor Windings Refer to SECTION 8 G 1 2 ohms between black wire and orange wire Start Winding Inoperative start winding Replace motor H 1 2 ohms betwee...

Страница 59: ...ng the igniter to get hot c Burner Circuit In approximately 30 seconds the igniter attains ignition temperature and ignition is made The heat from the burner flame causes the flame sensor contacts loc...

Страница 60: ...See Figure 38 Meter should register line voltage in all Fabric settings except FLUFF which should read zero VAC g If meter does not read line voltage in step f check motor switch thermostats fabric sw...

Страница 61: ...m bottom edge of access panel See Figure 5 b Gently lower the access panel to disengage locators from bottom edge of front panel See Figure 12 c Disconnect igniter wires at disconnect block d Set test...

Страница 62: ...locators from bottom edge of front panel See Figure 12 c Label and disconnect wires from thermostat See Figures 15 or 16 NOTE Refer to wiring diagram when rewiring thermostat Cycling Thermostat S P S...

Страница 63: ...and activate dryer start switch 2 Rotate timer knob to a position where the signal will activate then release timer knob 3 If timer is advancing signal will end in less than 10 minutes 4 If signal co...

Страница 64: ...d Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W001R1 WARNING Figure 41 CIRCUIT TO BE TESTED TIMER No 505473...

Страница 65: ...r is properly grounded W001R1 WARNING 67 DOOR SWITCH a While supporting the access panel remove two screws from bottom edge of access panel See Figure 5 b Gently lower the access panel to disengage lo...

Страница 66: ...ryer s with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the dryer is properly grounded W001R1 WARNING Section 8 I...

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