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Dometic RM2551, Руководство по обслуживанию

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40

EN

Service Procedures 

Americana and New Generation Refrigerators

8.23 Bypassing the Ice Maker

23 

Removing the Ice Maker Cover

q

 Cover

w

  Plastic Gear

Remove the plastic cover on the front of the ice maker.

1.  Turn the larger of the two plastic gears a half turn 

clockwise to force the ice maker to cycle.

If the ice maker doesn’t cycle, it may indicate a 
defective ice maker.

8.24 Replacing the Ice Maker

24 

Removing the Ice Maker

q

 Screw

w

  Ice Maker

1.  Disconnect the unit from all power sources (120 VAC 

and 12 VDC).

2.  Disconnect the four-pin connector from the ice 

maker.

3.  Remove the screws holding the ice maker in place.

4.  Slide the defective ice maker out of the freezer 

compartment. 

5.  Perform these steps in reverse with the new ice maker 

to complete the replacement.

q

q

w

w

Содержание RM2551

Страница 1: ...sult causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch Do not use any phone in your recreational vehicle Clear the recreational vehicle of all occupants Turn off the gas supply tank valve s ...

Страница 2: ...unication Harness 32 8 9 Testing a Lower Control Module Fuse for Continuity 33 8 10 Replacing the Lower Control Module 33 8 11 Replacing the Door 34 8 12 Testing the Door Gasket 34 8 13 Repairing the Door Gasket 35 8 14 Adjusting the Door Flapper RM1350 Model Only 35 8 15 Replacing the Door Hinge 36 8 16 Adjusting the Position of the Electrode 36 8 17 Replacing the Electrode 37 8 18 Replacing the ...

Страница 3: ...ions before service or maintenance of this product For additional information on replacement service refer to the appropriate installation manual When servicing the appliance replacement parts and installations must comply with all applicable local or national codes including the latest edition of the following standards U S A ANSI NFPA70 National Electrical Code NEC ANSI NFPA 1192 Recreational Ve...

Страница 4: ...le that provides grounding in compliance with all applicable electrical codes Do not cut or remove the grounding prong from the plug Before refueling or parking near a gasoline pump make sure that all LP gas appliances are shut off Do not store or use gasoline oil or gasoline soaked rags or flammable liquids in the service area behind the refrigerator or in the vicinity of this or any other gas ap...

Страница 5: ...d the diagnostic procedure associated with those issues Refer to the Diagnostics Table on page 9 for links to specific refrigerator components that show diagnostic tasks to help you confirm the suspected operational issue and potential cause Remember to check the basics including contributing issues before replacing any parts Refer to Installation Issues on page 27 for more details Troubleshooting...

Страница 6: ... shorted or is miswired 15 The 5A 120VAC fuse on the lower control module is blown 21 There is a short or a failed circuit in the lower control module The lower control module is not reading the thermistor properly The refrigerator operates in gas mode but does not cool properly The flue baffle is out of place or damaged 19 The refrigerator or freezer does not get cold enough in any operating mode...

Страница 7: ... in the environment is causing condensation 29 The climate control heater is defective 16 There is a strong smell of ammonia The cooling unit is defective 17 There is a loud gurgling noise coming from the cooling unit The cooling unit is defective 17 The door does not close properly The door is warped 18 The door hinge is warped RM1350 model only the flapper guide needs adjustment 17 The interior ...

Страница 8: ...ition 19 The altitude is affecting the operation of the refrigerator in gas mode 29 The resistance on the gas valve solenoid is out of specification 19 New Generation models only E2 is displayed The middle thermostat range setting light is flashing First generation DMR702 and DMR702 D models only The thermistor has a bad connection 23 There is a short in the thermistor wire The thermistor is not o...

Страница 9: ...ssociated with the different models I IThe images used in this document are for reference purposes only Components and component locations may vary according to specific product models 4 1 Tools and Materials Dometic recommends that the following tools and materials be used while servicing the refrigerators Recommended Tools Flat Bladed Screwdriver Phillips Head Screwdriver Heat Gun Razor Knife In...

Страница 10: ...Black Frame Accepts Panels SS Silver Stainless Steel Door BS Black Stainless Steel Door Ice Maker None No Ice Maker IMH Ice Maker with Heater Fan None No Fan F Pre installed Fan Placeholder X Placeholder New Generation Model Number Breakdown R M 3 9 6 2 R B IM F X Placeholder Fan Ice Maker Door Color Hinge Direction Door Type Placeholder Cubic Feet Model Type Model Brand Brand R Refrigerator Model...

Страница 11: ... 2 Two Fans Fan None No Fan F Pre installed Fan Control Board C ZhangBang V1 Control Board E ZhangBang V2 Control Board D Hydra Control Board None Original Model Hydra Control Board Elite Series Model Number Breakdown RM 1350 SL M SS X Door Features Door Color Door Lock Depth Features Model Type Brand Model Brand Model RM Refrigerator Model Model Type 1350 Elite Series Depth Features SL Slim 24 in...

Страница 12: ...ations may vary g d s q u t e o i t w k l a f y r j h 1 Americana Model Component Locations qIce Maker yThermistor sHeating Element jOrifice w Communication Wire Harness uInterior Light d Flue Baffle kGas Valve eUpper Control Module iVentilator Fan Switch fThermocouple l Thermal Fuse rDoor Hinge oCooling Unit gBurner Assembly Lower Control Module tDoors aThermo Fuse hElectrode 2 Water Valve not sh...

Страница 13: ... Component Locations qDoor Flapper uThermistor fWater Valve Flue Baffle wDoors iInterior Light gThermal Fuse 2 Burner Assembly eIce Maker o Ventilator Fan Switch hGas Valve 2 Electrode r Communication Wire Harness a Cooling Unit jOrifice t Upper Control Module s Lower Control Module k Thermofuse yDoor Hinge d Relay l Heating Element ...

Страница 14: ...that when the refrigerator operates in gas mode conveys heated exhaust gases from the boiler to an external vent Heating Element Provides a specific number of BTUs to the boiler when the refrigerator operates in electric mode Orifice Provides a pre determined amount of gas to the burner does not regulate pressure Re Igniter A spark generator and flame detection device Thermal Fuse A flame detectio...

Страница 15: ...enoid Valve 8 Gray O Retainer 9 White P Protective Earth P1 1 P2 1 P3 4 P3 3 P3 2 P3 1 P2 2 P1 4 P1 2 P1 5 P1 6 P1 3 3 DM2672 DM2682 DM2872 DM2882 DM2652 DM2662 DM2852 DM2862 one fan with and without ice maker A Control Board M Ventilator Fan Switch Z Protective Earth B Circuit Board Display N Lamp 1 Black C Thermistor O Heating Cable 2 Brown D Climate Control Heater P Switch Lamp 3 Red E Solenoid...

Страница 16: ...n on the refrigerator in gas mode 4 Verify that the flame from the burner is blue and steady 5 If the burner cannot be unclogged or if it appears damaged replace the burner 30 Climate Control Heater Does condensation form in the fresh food compartment or around the door frame 1 Test the climate control heater wiring for resistance 12 2 If the reading is out of specification replace the defective w...

Страница 17: ... cooling unit and test it for blockage 2 If the cooling unit fails the test replace it Door Flapper RM1350 Model Only Is the refrigerator or freezer not cold enough in any operating mode Does condensation form in the fresh food compartment or around the door frame Does the door not close properly 1 Inspect the flapper to confirm it closes without an air gap 2 Adjust the flapper guides or flapper a...

Страница 18: ...ot been held open or opened often enough to allow a substantial volume of warm air to enter N A Electrode Re Igniter Does the refrigerator operate in electric mode but not in gas mode Is the check indicator lamp on Americana models only 1 Inspect the ceramic insulator for cracks or breaks in the ceramic casing I IA hair line crack at the electrode can be difficult to see 2 If cracks or breaks are ...

Страница 19: ...icana models only 1 Confirm that the voltage supplied to the gas valve is between 10 5 13 5 VDC I ITest the voltage with the gas system turned on and under a load 2 If the voltage is out of specification perform a diagnostic on the power supply 15 Heating Element Does the refrigerator operate in gas mode but not in electric mode Is E3 displayed New Generation models only Are two thermostat range s...

Страница 20: ...rease the supply I IOne full turn in either direction equals an 18 cc change N A Interior Light Does the interior light remain off when the door is open Does the interior light remain on when the door is closed If the refrigerator was built prior to 2009 check the interior light assembly to determine if the low ambient light is switched on 12 1 With the refrigerator door open depress the interior ...

Страница 21: ...ed to the lower control module at terminal 6 is between 10 5 18 VDC 2 If the voltage is out of specification perform a diagnosis on the power supply 15 1 Test the 3 A 12 VDC fuse for continuity 2 If the fuse is blown replace it 33 1 Confirm that the voltage from terminal 2 is between 10 5 13 5 VDC 15 2 If the voltage is out of specification replace the lower control module 33 Is the refrigerator n...

Страница 22: ... able to see through the orifice and it should appear pink in color I IDo not blow compressed air or stick anything into the orifice The orifice has a man made ruby inset that is easy to dislodge If dislodged the orifice must be replaced 3 If the orifice is clogged soak it in an alcohol based solvent for one hour 4 Remove it from the cleaner and let it air dry 5 If the orifice is still clogged rep...

Страница 23: ...ouple Older Americana Models Only Does the refrigerator operate in electric mode but not in gas mode Is the check indicator lamp on I IModels with integrated ignition where the re igniter is on the lower control module do not use a thermocouple 1 Confirm that the gas is lighting but not staying lit or that the electrode continues to spark while in the flame 2 Confirm that the voltage of the thermo...

Страница 24: ...unication wire harness is between 10 5 18 VDC 15 2 If the voltage is within specification replace the upper control module 48 Ventilator Fan Switch Is the refrigerator or freezer not cold enough in any operating mode 1 Confirm that the temperature at the ventilator fan switch is within the range that will activate the ventilator fan I IInstallation location varies by model and installer The temper...

Страница 25: ...lean or tighten the ground connections for the lower control module gas valve and RV converter as needed Strip back the wiring and make new connections as needed 15 There is a short or a failed circuit in the lower control module Perform a diagnostic on the lower control module 21 The thermocouple is defective Perform a diagnostic on the thermocouple 23 The re igniter is not creating a spark Perfo...

Страница 26: ... The gas pressure is too low or absent The knob on the gas valve has been turned to the off or closed position Perform a diagnostic on the gas supply 28 The resistance on the gas valve solenoid is out of specification Perform a diagnostic on the gas valve 19 The communication wire harness has lost continuity or is shorted to ground Perform a diagnostic on the communications wire harness 16 There i...

Страница 27: ...low There is a short or a failed circuit in the lower control module Perform a diagnostic on the lower control module 21 7 Installation Issues Many refrigerator problems are caused by issues outside of the product itself When diagnosing a refrigerator problem always check the issues described in this section before replacing components Operational Issue Potential Issue The refrigerator is not oper...

Страница 28: ...essure is between 10 5 11 5 in W C ideally as close to 11 in W C at the refrigerator as possible Perform the check with a minimum of 50 ideally 100 of other gas fired appliances operating while the refrigerator is in operation The pressure should be tested using a U tube manometer If using a digital type manometer calibrate it often with a U tube manometer Check the outside air temperature As the ...

Страница 29: ... the cooling unit rises and may result in decreased cooling performance if the unit is not installed and ventilated according to specification Refer to Installation Issues on page 28 for more details I IIf the ambient temperature is below 32 F 0 C operating the refrigerator may damage the cooling unit 7 5 Humidity Issues High levels of humidity can impact the cooling performance of the refrigerato...

Страница 30: ...ace the refrigerator in the enclosure 8 Verify there are no LP gas leaks Refer to Performing a Gas Leak Test on page 30 for more details 8 2 Performing a Gas Leak Test WARNING FIRE AND OR EXPLOSION HAZARD Do not use matches candles or other sources of open flame when checking for gas leaks Failure to obey this warning could result in death or serious injury 1 Turn on the LP gas supply to the refri...

Страница 31: ...on 8 5 Testing the Cooling Unit in Bypass Mode I IThe temperature outside the refrigerator must be warmer than 50 F 10 C 1 Prepare the thermistor for the test determined by the model of the refrigerator New Americana perform the steps in Replacing the Thermistor on page 45 to remove the thermistor New Generation perform the steps in Replacing the Thermistor on page 45 to install a spare thermistor...

Страница 32: ...ity 11 Perform these steps in reverse with the new cooling unit to complete the replacement 8 7 Testing the Communication Wire Harness for Continuity 1 Perform the steps in Replacing the Communication Harness on page 32 to disconnect the communication wire harness from the upper and lower control modules 2 Attach the leads of the multi meter one to each end of a harness wire The reading should sho...

Страница 33: ...move the fuse from the lower control module For a cartridge fuse touch a lead of the multi meter to each side of the fuse For a blade fuse attach a lead to each connector The reading should show continuity If it shows no continuity it indicates a blown fuse I IConsult the operating manual for the multi meter for specific device function 8 10 Replacing the Lower Control Module 10 Removing the Lower...

Страница 34: ...g the fresh food door below a freezer door access the middle hinge pin and remove it to free the door 4 Remove any washers 5 Lift the door from the bottom hinge pin It may be necessary to do this at an angle 6 Perform these steps in reverse with the new door to complete the replacement 8 12 Testing the Door Gasket q w 12 Testing the Door Gasket qDoor w Paper 1 Open the refrigerator door and place ...

Страница 35: ...rod or tightly rolled newspaper behind the gasket 3 Close the door with the dowel rod in position and leave it closed for 24 hours 8 14 Adjusting the Door Flapper RM1350 Model Only w q 14 Adjusting the Flapper Guides qUpper Flapper Guide w Lower Flapper Guide Perform the following actions as needed to ensure that the door flapper operates smoothly and closes without an air gap between the flapper ...

Страница 36: ... with the new hinge to complete the replacement 8 16 Adjusting the Position of the Electrode q 16 Adjusting the Electrode Gap q Gap 3 16 in 4 8 mm 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 Remove the shielding around the burner housing to access the electrode 3 Loosen the set screw securing the electrode to the burner housing I ITo avoid cracking the ceramic insulator do no...

Страница 37: ... and disconnect the wiring from the re igniter 5 Perform these steps in reverse with the new electrode to complete the replacement 8 18 Replacing the Flue Baffle q w 18 Removing the Flue Baffle qFlue Baffle w Burner Tube 1 If necessary perform the steps in Removing the Refrigerator from an Enclosure on page 30 to access the flue baffle 2 Locate the flue baffle hook at the top of the burner tube WA...

Страница 38: ...y gas valve solenoid I IConsult the operating manual for the multi meter for specific device function 8 20 Replacing the Gas Valve q w e 20 Accessing the Gas Valve qGas Valve e Nut wBurner Assembly rScrews 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 Disconnect the wiring to the gas valve solenoid 3 Turn off the LP gas supply to the refrigerator 4 Remove the nut and screws sec...

Страница 39: ...r to find the Ohms resistance range If the reading is out of specification it indicates a faulty heating element I IConsult the operating manual for the multi meter for specific device function 8 22 Replacing the Heating Element w q 22 Removing the Heating Element from the Flue Stack qFlue Stack w Heating Element 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 Disconnect the heat...

Страница 40: ...ice maker to cycle If the ice maker doesn t cycle it may indicate a defective ice maker 8 24 Replacing the Ice Maker 24 Removing the Ice Maker qScrew w Ice Maker 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 Disconnect the four pin connector from the ice maker 3 Remove the screws holding the ice maker in place 4 Slide the defective ice maker out of the freezer compartment 5 Per...

Страница 41: ...hows no continuity it indicates a faulty switch I IConsult the operating manual for the multi meter for specific device function 8 26 Replacing the Interior Light 26 Removing the Interior Light Assembly qLight Cover eLight Switch wLight Bulb rLight Housing The following steps may vary depending on the model and generation of the refrigerator 1 Disconnect the unit from all power sources 120 VAC and...

Страница 42: ...P gas leaks Refer to Performing a Gas Leak Test on page 30 for more details 8 28 Replacing the Re igniter 28 Removing the Re igniter qRe igniter I IOn some models the re igniter is integrated into the lower control module and the entire module must be replaced Always use the product number to acquire the correct part 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 Locate and remo...

Страница 43: ...f the multi meter to terminal 30 and terminal 87 The reading should show continuity If it shows no continuity it indicates a faulty relay I IConsult the operating manual for the multi meter for specific device function 8 30 Replacing the Relay RM1350 Model Only 30 Removing the Relay from the Refrigerator qRelay w Screw 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 Disconnect th...

Страница 44: ...anual for the multi meter for specific device function 8 32 Replacing the Thermal Fuse q w 32 Removing the Thermal Fuse qThermal Fuse w Tabs 1 Disconnect the unit from all power sources 120 VAC and 12 VDC 2 What is the model of the refrigerator Americana disconnect the thermal fuse from the 12 VDC terminal block and one leg of the thermo fuse New Generation first generation DMR702 and DMR702 D dis...

Страница 45: ...tor wire and the other lead to the chassis ground The reading should show no continuity If it shows continuity it indicates a short to ground 3 Repeat the continuity test on the second pin of the thermistor wire I IConsult the operating manual for the multi meter for specific device function 8 35 Replacing the Thermistor q w 34 Removing the Thermistor from the Cooling Fins qCooling Fins w Thermist...

Страница 46: ... in reverse with the new thermocouple to complete the replacement 8 Verify there are no LP gas leaks Refer to Performing a Gas Leak Test on page 30 for more details 8 37 Testing the Thermo Fuse for Continuity Americana Models Only 36 Testing the Thermo Fuse Blades qThermo Fuse w Blades 1 Perform the steps in Replacing the Thermo Fuse Americana Models Only on page 47 to disconnect the wiring from t...

Страница 47: ...ent 8 39 Testing the Thermofuse for Continuity New Generation Models Only 38 Testing the Thermofuse Blades qThermofuse w Blades 1 Perform the steps in Replacing the Thermofuse New Generation Models Only on page 48 to disconnect the wiring from the thermofuse 2 Attach the one lead of the multi meter to each blade of the thermofuse The reading should show continuity 3 If the reading shows no continu...

Страница 48: ...he upper housing 3 Disconnect the communication wire harness 4 Perform these steps in reverse with the new control module to complete the replacement 8 42 Replacing the Ventilator Fan q w 41 Removing the Ventilator Fan from the Mounting Bracket qVentilator Fan w Mounting Bracket I IThe location of the ventilator fan may vary depending on model and installer 1 Disconnect the unit from all power sou...

Страница 49: ... defective fan switch from the rear of the refrigerator 5 Perform these steps in reverse with the new fan switch to complete the replacement 8 44 Testing the Water Valve for Resistance 43 Testing the Water Valve Blades qBlades w Water Valve 1 Perform the steps in Replacing the Water Valve on page 50 to remove the water valve 2 Set the multi meter to the Ohms resistance setting 3 Attach the leads o...

Страница 50: ...he ice maker 5 Remove the screws securing the water valve to the mounting bracket 6 Remove the defective water valve 7 Perform these steps in reverse with the new water valve to complete the replacement 9 Disposal M M Place the packaging material in the appropriate recycling waste bins whenever possible Consult a local recycling center or specialist dealer for details about how to dispose of the p...

Страница 51: ...51 EN Americana and New Generation Refrigerators ...

Страница 52: ...Mobile living made easy dometic com YOUR LOCAL DEALER dometic com dealer YOUR LOCAL SUPPORT dometic com contact YOUR LOCAL SALES OFFICE dometic com sales offices ...

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