Meridian MD3720CEE, Service Manual

Page 1: ...BRAND MERIDIAN SERVICE MANUAL LAUNDRY PRODUCTS Combo Washer Dryer MODELS MD3720CEE WHITE PLATINUM VENTLESS...

Page 2: ...ranty Information 3 Safe Servicing Practices 4 Installation 5 Important Pre Service Instructions 6 Diagnosis Technical Troubleshooting 7 Replacement Procedure Wiring Testing of parts 12 Quick Check 29...

Page 3: ...AL Since it is the responsibility of the consumer owner to establish the warranty period by verifying the original purchase date Meridian Appliances recommends that a bill of sale delivery slip or som...

Page 4: ...and secured away from sharp edges high temperature components and moving parts all uninsulated electrical terminals connectors heaters etc have adequate spacing from all metal parts and panels all saf...

Page 5: ...ve connected to the inlet valve marked H Fig 2 5 Connect the white L shaped end of cold water hose to the pressure reducing valve connected to the inlet valve marked C Fig 2 Fig 1 Fig 2 Drain Hose Con...

Page 6: ...n case hot water supply is not available cold water supply should be connected to the hot water inlet valve Leveling The unit must be leveled properly for proper working of the unit Flooring The unit...

Page 7: ...onnected and that the water supply is turned on and hoses are not kinked c Drain outlet below 24 water siphoning out Route drain hose through a clamp on the rear of the machine at least 24 above the f...

Page 8: ...ling check AC voltage between wires M3 M5 on the motor connector it should toggle between 115V AC 15V AC similar should be observed between M7 M5 if found as above the motor is bad or else the timer i...

Page 9: ...ter inlet valves leaking Identify leaking valve Remove and clean by back flushing to remove foreign material Replace valve if cleaning does not correct the problem 9 Unit overfills a Pressure Switch U...

Page 10: ...tor connector and check if the water is still filling in if no the motor is bad 14 Clothes wet at the end of wash cycle a Water in tub See Won t drain b Inadequate final spin See Won t Spin DRY CYCLE...

Page 11: ...ersed Connect hoses to the proper inlet valves d Dryer section malfunction See 2 and 3 above for tests to perform 5 Clothes soaking wet at the end of dry cycle a Blocked filter Coin Trap Remove clean...

Page 12: ...ews Pull out the plastic switch cover for the power switch Pull out the power switch by matching the grooves in the panel pushing the switch towards the back Replace with the new switch and do the wir...

Page 13: ...e parts back by following the reverse procedure Wiring Door Switch Back View Testing Procedure Cold Test 1 Push the slider towards the left referring to the position of the door switch as in the figur...

Page 14: ...ts back by following the reverse procedure Wiring Pressure Switch Back View Testing Procedure Cold Test 1 Check for continuity between terminals 11 12 21 22 31 32 2 If there is continuity between all...

Page 15: ...Wiring Cold water Valve Testing Procedure Hot Test 1 Set the washer knob to the Towels Sheets position and switch on the unit 2 You should get 115V AC across the terminals EVFX EVF and the unit should...

Page 16: ...s before below Fix all the parts back by following the reverse procedure Wiring Hot water Valve Testing Procedure Hot Test 1 Set the washer knob to the Towels Sheets position and switch on the unit 2...

Page 17: ...g of wires from the terminals of the timer and replace the same Fix all the parts back by following the reverse procedure e Please Note 1 The timer is to be installed at an angle as shown in the figur...

Page 18: ...timer and take out the timer Pull out all the wires on the dry timer and replace the same Fix all the parts back by following the reverse procedure Wiring Dry Timer Testing Procedure Cold Test 1 Turn...

Page 19: ...the half load switch by matching the grooves in the panel pushing the switch towards the back Replace with the new switch and do the wiring as before below Fix all the parts back by following the rev...

Page 20: ...t the half heat switch by matching the grooves in the panel pushing the switch towards the back Replace with the new switch and do the wiring as before below Fix all the parts back by following the re...

Page 21: ...g held by the clamp crewed on the housing Unfix the screw and replace the same and do the wiring as before below Fix all the parts back by following the reverse procedure Wiring Fusible Link Testing P...

Page 22: ...fuse inside the covering held by the clamp crewed on the housing Unfix the screw and replace the same and do the wiring as before below Fix all the parts back by following the reverse procedure Wiring...

Page 23: ...er housing 4 bolts on the top Unfix the upper heater housing 3 screws and a few clamps The blower fan is mounted on the shaft of the fan motor with the help of a nut Unfix the nut rotate it clockwise...

Page 24: ...pport to the hater housing 4 bolts on the top Unfix the upper heater housing 3 screws and a few clamps The blower fan is mounted on the shaft of the fan motor with the help of a nut Unfix the nut rota...

Page 25: ...3 screws and a few clamps Unfix the two nuts and remove the heating element Replace the same and do the wiring as before below Fix all the parts back by following the reverse procedure Wiring Heating...

Page 26: ...ng of the speed regulator 2 screws at the back Slide out the speed regulator and replace the same Do the wiring as before below Fix all the parts back by following the reverse procedure Wiring Speed R...

Page 27: ...the two hoses on the drain pump Unfix the 4 screws that hold the drain pump to the cabinet and replace the same Do the wiring as before below Fix all the parts back by following the reverse procedure...

Page 28: ...ts unfix the same and replace the motor Do the wiring as before below Fix all the parts back by following the reverse procedure Wiring Main Motor Testing Procedure Cold Test 1 Check the resistance bet...

Page 29: ...e drum will start to agitate Then press the Power button advance the knob to the Spin position and press the power button the unit will pump out the water and begin to spin simultaneously Checking Dry...

Page 30: ...30 COMPANY INFORMATION APPLIANCE DESK BRAND MERIDIAN CONTACT NUMBERS SERVICE PARTS ACCESSORIES DETERGENT ORDERING 800 490 8018 TECHNICAL SUPPORT 713 933 1464...