Dometic DMA4061 Operating Manual page 13

5.3 Cleaning the refrigerator
➤ Inspect and clean the refrigerator components periodically to keep the refrigerator operating efficiently.
➤ Use a lukewarm, weak solution of baking soda and water to clean the interior liner of the refrigerator.
➤ Use warm water only to clean the finned evaporator, gasket, and shelves.
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Do not spray liquids near electrical outlets, connections, or other refrigerator components.
➤ Ensure that the thermistor bulb and thermistor bracket are properly positioned. Refer to "6 Troubleshooting"
on page 15.
➤ Check the lower vent, upper vent, and the area between these openings for any obstructions, such as bird or
insect nests.
➤ Dust off the coils on the back of the refrigerator, if accessible, using a soft-bristled brush.
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Refer to sections "5.5 Maintaining the refrigerator" on page 13 and "6 Troubleshooting" on page 15.
5.4 Preparing the refrigerator for storage/winterizing the refrigerator
➤ Defrost the refrigerator. Refer to "5.1 Defrosting the refrigerator" on page 11.
➤ Prepare the ice maker, if equipped. This procedure must be performed by a qualified service technician.
➤ Clean the refrigerator. Refer to "5.3 Cleaning the refrigerator" on page 13.
➤ Place doors in the airing position. Refer to "5.2 Using the door airing feature" on page 12.
5.5 Maintaining the refrigerator
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Read before proceeding:
• Two-way models are equipped with two fuses, one for the refrigerator control system and one for the AC
heater.
• The fuse for the control system is a resettable fuse and must not be replaced with a standard fuse. If the
resettable fuse has been tripped:
➤ Determine and remedy the cause.
➤ Press the ON / OFF button to OFF.
➤ Wait five seconds.
➤ Press the ON/OFF button to ON.
• Three-way models are equipped with three fuses: two fuses in the power module, and one inline blade fuse.
Changing the power module fuse
➤ Turn OFF the refrigerator.
➤ Unplug the refrigerator for 120 VAC and
disconnect the 12 VDC wires.
➤ Remove the power module cover.
➤ Snap the fuse out of the fuse holder and fit the new
fuse into the fuse holder.
➤ Replace the power module cover according to the
instructions molded on the cover.
➤ Reconnect the 12 VDC wires and plug in the
120 VAC power cord.
➤ Turn ON the refrigerator.
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Control System
AC Heater
12 VDC Heater
Refrigerator
3 A
5 A
30 A
EN