User manual DOMETIC RM2610

[. . . ] SERVICE TIPS Efl Dometic@ MANUAL REFRIGERATORS Models RM2310 RM2410 RM2452 RM2453 RM2552 RM2553 RM2510 RM2610 RM2810 Copyright 1996 The Dometic Corporation OS1717 4/96 THE MOST COMMON SYSTEM PROBLEMS ASSOCIATED WITH THE RM2310, RM2410, RM2510, RM2610 , RM2810, RM2452, RM2453, RM2552 AND RM2553 REFRIGERATORS SYMPTOM 1. CAUSE Operation Wiring Switch Operation AC Volts Heating Element Thermostat Switch Wiring Operation DC Volts Igniter Electrode High Voltage Cable Switch Wiring Operation LP gas Filter Orifice Burner Shut-off Valve Safety Valve Thermocouple Thermocouple Adapter, (Top Mount Controls Only) Operation Level Ambient Temperature Cooling Unit LP Gas Thermostat Filter Orifice Burner Flue Baffle Flue Tube AC Volts Heating Element Thermostat Switch Wiring No operation. 2. No gas operation - sparks but no flame. 5. No cooling on any mode. 6. No cooling on electric - cools properly on other mode(s). SYMPTOM 8. Insufficient cooling on all modes. CAUSE Operation Level Ventilation Ambient Temperature Air Leaks Thermostat Cooling Unit AC Volts Heating Elements Thermostat LP Gas Pressure Thermostat Filter Orifice Burner Flue Baffle Flue Tube Thermostat Wiring Bypass Screw Thermostat LP Gas Safety Valve Thermocouple Thermocouple Adapter, (Top Mount Controls Only) Flame Failure Meter (Top Mount Controls Only) Flue Baffle Flue Cap (Bottom Mount Controls Only) Orifice Burner Food Storage Air Leaks Interior Liner Seal to Frame High Humidity DC Volts Heating Element Switch Wiring Relay (RM261O/RM2810) DC Volts Heating Element Relay (RM2610/RM2810) Electrode LP Gas Bypass Screw Filter 9. Insufficient cooling on electric - cools properly on other mode(s). [. . . ] The closer the knob is to "MAX", the colder the cabinet temperature. The closer the knob is to "OFF", the warmer the cabinet temperature. When the thermostat reaches the set temperature, it will cut the burner back to bypass or, in electric operation, shut off the heating element. The setting of the thermostat is not critical, but we recommend it be adjusted to maintain a dry frost on the cooling fins. Adjust the thermostat knob closer to "MAX" when the outside temperature becomes warm. AC VOLTAGE REQUIREMENTS The proper operating range is 100 to 132 volts. Check the AC volts at the receptacle where the refrigerator is attached. If voltage drops below 100 volts, cooling efficiency will decrease with voltage decrease. AC COMPONENTS HEATING ELEMENT To check a heating element, remove the heater leads from the terminal block and measure for proper resistance across the two leads. You should obtain the following readings, plus or minus 10%: RM2310 92 RM2410 92 RM2510 7 5 RM2610 48 RM2810 44 RM2452 69 RM2453 69 RM2552 69 RM2553 69 DC VOLTAGE REQUIREMENTS The operational range is 10. 5 to 15 volts DC. Check for proper voltage at the terminal block or blocks at the back of the refrigerator. The power supply to the refrigerator must be fused. DC COMPONENTS SWITCH (BOTTOM MOUNT CONTROLS) A. For the DC mode, continuity should exist between terminals 1 and 1A and 2 and2A. (3-Way Models Only) For the AC mode, you should have continuity between 4L and 4A and 5N and 5A. RM2310 & RM2410 SWITCH ASSEMBLY DC Mode AC Mode DC Mode AC -Mode B. The RM251O/RM261O/RM2810 selector switch should be checked for continuity in the following manner. Remove all wires from the assembly. For the DC mode, continuity should exist between terminals 1 and IA and2 and 2A. For the gas mode, you should have continuity between 3 and 3A. For the AC mode, you should have continuity between 4L and 4A and 5N and 5A. RM251O/RM261O/RM2810 SWITCH ASSEMBLY Gas Mode DC Mode \ AC Mode DC Mode AC Mode Gas Mode SWITCH (TOP MOUNT CONTROLS) Remove all wires from the assembly. For the DC Mode (3-Way Models ONLY), continuity should exist between terminals 5 and 5a and 6 and 6a. For the AC Mode, continuity should exist between terminals 1 and la and 2 and 2a. For the Gas Mode (on refrigerators equipped with automatic REIGNITERS ONLY), continuity should exist between terminals 4 and 4a. RM2452/RM2453/RM2552/RM2553 SWITCH Gas Mode AC Mode 1 `DC Mode Gas Mode IGNITER A. MODEL RM2310, 2410, 2452, 2453 When the button is pushed, a spring loaded striker creates a spark. If there is no resistance when pressing the button, the piezo igniter is defective. B. MODEL RM2510, 2610, 2810, 2552, 2553 Check that the switch is in the gas mode and is completing the circuit. 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