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L-2448B Operation
Water Filter
Change the filter at least twice per year, or every 1500
gallons, whichever comes first. The correct filter will
help prevent clogging of the float valve, and scale
buildup within the evaporator chamber. We suggest
Dometic Part #3150707.
Evaporator Cleaning
Once per year, the evaporator should be cleaned. This
should be carried out by an authorized service agency.
The following steps should be used:
1) Shut off the water supply to the ice machine
2) Disconnect clear tubing from bottom evaporator, and
drain all water from the evaporator. Reconnect the
tubing.
3) Prepare cleaning solution, mix 8 ounces of Scots-
man Ice Machine Cleaner, or equivalent, with two
quarts of hot water. If other solution is used, follow
instructions on bottle.
4) Remove the cover to the water reservoir.
5) Slowly pour the cleaning solution into the reservoir.
6) Turn the machine to the ON position.
7) Continue pouring cleaning solution into the reservoir,
maintaining the level just below the overflow, while
the machine makes ice.
8) Continue ice making until all of the solution is used
up, and the reservoir is empty.
9) Turn the machine to the OFF position.
10) Wash and rinse the water reservoir.
11) Open the water supply to the ice maker
12) Turn the machine to the ON position
13) Let the machine make ice for AT LEAST 15 minutes
to flush out any remaining cleaning solution.
14) Remove all ice from the ice bin, do not use any of
the ice produced during the cleaning cycle.
15) Use hot water to rinse the ice bin.
WARNING
Ice Machine Cleaners use strong acids. Read and
follow all instructions and warnings on the solution
container that you use.
Winterizing the System
Close the seacock and remove the inlet hose from the
condensing unit. Allow all water to drain from the
system. Loosen the screws on the pump head to allow
water to drain from the pump. Cutoff feedwater supply,
and drain at the auger unit. Be sure to remove water
from the water reservoir inside the auger unit. You may
also add some non-toxic antifreeze to the water
reservoir.
Troubleshooting Guide
Before calling for service, review this list. It may save
time and expense. This list contains potentially com-
mon occurrences that are not a result of defective
workmanship or materials. If you still need service
after trying these procedures, call you local dealer, or
the Dometic service department at (804)746-1313.
Problem: Unit does not operate at all
Potential Solution:
1) Check for tripped breaker or blown fuses
2) Significantly low voltage to unit
3) Misconnected or loose plugs or wiring
4) System switch in the ‘Off’ position
5) Ice level is high enough. Move ice around box.
Problem: Pressure fault light on.
Potential Solution:
1) Check seawater system for clogs or faulty pump
2) Faulty pump relay trigger at relay station (if
pump is used for more than one unit). Replace
trigger.
3) Low refrigerant charge, have a certified techni-
cian check.
4) Improperly set Constant Pressure Valve. Set per
instructions in “Setting the CPV.”
Problem: Ice Clog fault light on
Potential Solution:
1) Check for obstruction at the ice discharge in the
ice bin
2) Check for frozen ice delivery hose
3) Check for kinks in the ice delivery hose
4) Check for auger motor failure