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Safety InStructIonS

This manual has safety information and instruc-

tions to help users eliminate or reduce the risk 

of accidents and injuries.

recognIze Safety InformatIon

This is the safety-alert symbol. When you see this 

symbol in this manual, be alert to the potential 

for personal injury.

Follow recommended precautions and safe op-

erating instructions.

underStand  SIgnal WordS

A signal word

 

WarnIng

 OR 

cautIon

 is used 

with the safety-alert symbol. They give the level 

of risk for potential injury.

 

 Indicates a potentially hazard-

ous situation which, if not avoided, could result 

in death or serious injury.

 

Indicates a potentially hazard-

ous situation which, if not avoided may result in 

minor or moderate injury.

 

When used without the safety 

alert symbol  indicates, a potentially hazardous 

situation which, if not avoided may result in prop-

erty damage.

Read and follow all safety information and in-

structions.

foreword

This service manual is the result of the dedica-

tion of Dometic Corporation Technical staff and 

its engineers in giving service people the nec-

essary instruction for making accurate analyses 

of  certain  conditions.  Provided  is  a  diagnostic 

chart leading a qualified mechanic into the ser

-

vice  manual  pages  to  locate  and  solve  symp-

toms which may occur. Dometic has continued 

its commitment in providing service people with 

this, the most up-to-date information about ser-

vicing Dometic RV accessories.

Содержание RM3962

Страница 1: ...RM 3962 USA SERVICE OFFICE Dometic Corporation 2320 Industrial Parkway Elkhart IN 46516 574 294 2511 CANADA Dometic Distribution 46 Zatonski Unit 3 Brantford Ontario CANADA N3T 5L8 519 720 9578 Form N...

Страница 2: ...dicates a potentially hazard ous situation which if not avoided may result in minor or moderate injury When used without the safety alert symbol indicates a potentially hazardous situation which if no...

Страница 3: ...10 SECTION 5 DC COMPONENTS 5 1 Thermistor 11 5 2 Solenoid Valve 11 5 3 Igniter 11 5 4 High Voltage Cable 12 5 5 Electrode 12 5 6 Control Panel 12 5 7 Climate Control Heater 12 5 8 LED Display Panel 13...

Страница 4: ...ty 21 SECTION 9 WIRING 9 1 Internal Wiring 23 9 2 External Wiring 23 9 3 Wiring Schematics 23 SECTION 10 ERROR CODES 10 1 Codes 23 SECTION 11 DIAGNOSTIC MODE 11 1 Internal Wiring 23 SECTION 12 ICE MAK...

Страница 5: ...9 3 page 10 5 page 13 6 page 16 7 page 16 7 page 17 7 page 17 7 page 17 5 page 13 5 page 12 5 page 14 4 page 10 CAUSE Operation DC Volts Fuse Wiring Control Panel LED Display Board Lower Circuit Board...

Страница 6: ...page 16 5 page 13 5 page 14 section 9 page 23 5 page 15 8 page 21 8 page 21 8 page 20 8 page 21 8 page 20 8 page 20 8 page 21 8 page 20 5 page 12 CAUSE DC Volts Wiring LP Gas Manual Gas Valve Solenoi...

Страница 7: ...AUTO GAS Mode Selector Button Press the button to turn the auto mode on or off 3 TEMP SET Button The thermostat has 5 settings where 1 indicates the warmest and 5 the coldest temperature setting Pres...

Страница 8: ...dication dot is lit AUTO mode and AC operation The AUTO and LP indication dots are lit AUTO mode and GAS operation The LP indication dot is lit Manual gas operation mode Digits E G Fresh food temperat...

Страница 9: ...not continue to reset GAS operation if the CHECK indicator lamp continues to be illuminated after several tries AUTOMATIC ENERGYSELECTORCONTROL SYSTEM The refrigerator is equipped with an automatic en...

Страница 10: ...pproximately 45 sec onds with two minutes purge interval after each trial If unsuccessful the display will flash LP To restart GAS operation press the main power ON OFF button to the OFF and then ON p...

Страница 11: ...ation of the Dometic refrigerator is also depen dent on good clean ground connections Loose or corrod ed ground terminals create a unknown resistance factor that can affect the voltage detected by the...

Страница 12: ...igniter stops sparking The resistance is monitored by the igniter and if for any reason the flame goes out the igniter begins sparking until the burner is lit The resistance between the electrode and...

Страница 13: ...always loosen the screw and move into place never try to move without loosening the screw On newer units the electrode and high voltage cable are in tegrated into one component To acquire the proper...

Страница 14: ...n not used on this model TAG Line J12 Low ambient control J6 AC neutral White J7 AC heater J5 AC Hot Black J8 AC heater J9 Positive wire from thermocouple J10 Negative to Chassis ground at control boa...

Страница 15: ...14 RM3762 RM3962...

Страница 16: ...s depressed interior light should be off When the re frigerator door is open the switch is closed interior light should be on Check that the switch assembly is properly aligned and that it is not brok...

Страница 17: ...the chart MODEL JET SIZE RM3762 58 RM3962 58 Always check the parts list with the model and product number to assure the right jet size TESTING LP GAS SAFETY SHUTOFF The gas safety shutoff must be tes...

Страница 18: ...aned periodically at least once a year Soak the burner in an alcohol based solvent and allow to air dry If the burner does not have a good ground it can cause erratic gas operation The electrode spark...

Страница 19: ...ile home or recreational vehicle Openings for air supply or for venting of combustion products shall have a minimum dimension of not less than 1 4 inch Ventilation is a critical requirement for proper...

Страница 20: ...19 Typical Two Side Wall Vent Application Always Refer To Vent Instructions 3308666 xxx...

Страница 21: ...f this happens condensation could form on the frame and could promote rapid formation of frost If you suspect an improper seal apply a small bead of silicone all the way around the perimeter where the...

Страница 22: ...conditions If so the cooling unit is good If the temperature of the water is above 43 degrees replace the cooling unit The outside temperature will affect the cooling capacity of the unit There is tha...

Страница 23: ...22...

Страница 24: ...communication between display and power modules The control system will revert to full automatic operation selecting the best energy source available with AC GAS priority The temperature setting will...

Страница 25: ...arm is returned to the down position The absorption system will keep the compartment at the proper temperature for storage of ice Ice making is ac celerated if the thermostat is set to the coldest po...

Страница 26: ...l type motor which is geared to the timing cam and ice ejector It is a one RPM motor To check the motor disconnect power to the appliance and test for continuity between the two leads If you DO NOT ha...

Страница 27: ...toward the or side One full turn of the screw will make an 18 cc change in the amount of water DO NOT turn the screw more than one full turn at a time If the water level is too high it can also cause...

Страница 28: ...27...

Страница 29: ...28 ICE MAKER TYPICAL WIRING DIAGRAM...

Страница 30: ...thermostat switches to its closed position after be ing sufficiently cooled by the ice in the mold The mold heater and motor are now energized The ejector blades begin to turn When the ejector blades...

Страница 31: ...timing cam closes the holding switch providing a circuit to the motor that will assure completion of this revolution The mold heater remains energized The shut off arm will raise and lower again oper...

Страница 32: ...rm thus operating its switch Near the completion of the second revolution the timing cam again closes the water valve switch This time a circuit is completed through the water valve solenoid its switc...

Страница 33: ...32...

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