Carry-On 7000 Portable Air Conditioners; Problem/Possible Cause/Action - Dometic Carry-On 7000 Installation & Operation Manual

Carry-On 7000 Portable Air Conditioners • Troubleshooting
Before you call for service, review this list. It may save you time and expense. This list contains common occurrences
that are not a result of defective workmanship or materials.
Important: Boat must be closed so that outside air is prevented from access to the inside. Close all hatches
and ventilators.
Problem
Unit will not operate
Air from unit does not
feel cool enough in cool
mode
Carry-On operating, but
cabin failing to cool
Carry-On turns compres-
sor on and off rapidly
Water dripping inside
cabin through hatch
Water dripping outside
on weatherdeck
If you need service after reviewing the preceding troubleshooting checklist, call your dealer.
L-2245
Possible Cause
1. Plug disconnected from receptacle or unit
2. Blown fuse or tripped circuit breaker
3. Thermostat set incorrectly
1. Selector switch on FAN
2. Thermostat set incorrectly
3. Boat temperature below 70° F
4. Air intakes on heat exchanger blocked or
restricted.
1. Dirty air filter
2. Thermostat set too cold for night time
cooling and the evaporator coil has frozen
3. Air intakes on heat exchanger blocked or
restricted.
1. Dirty air filter
2. Outside temperature extremely hot
1. Improper installation
2. Condensate drain blocked
3. Bag over condensate drain
4. Blockage in hose
1. Condensate drain-normal
2. Compressor area-normal
Action
1. Connect firmly
2. Replace fuse with time delay type; or reset
breaker, check for adequate size (minimum 15
amps at 115V & 10 amps at 220V)
3. Adjust thermostat to cooler setting
1. Move to COOL
2. Turn clockwise to cooler setting.
3. Cooling may not begin until boat is above 70°
4. Be certain all air intake vents (See Figure 4)
are clear of hatch bag or other obstructions.
1. Clean filter
2. Turn selector switch to FAN position for three
minutes and reset thermostat to a warmer
setting or use hair dryer to thaw coil
3. Be certain all air intake vents (See Figure 4)
are clear of hatch bag or other obstructions.
1. Clean air filter
2. Turn to HI COOL
1. Tilt Carry-On to accommodate angle of
condensate drain
2. Clean out condensate drain
3. Adjust bag to clear drain
4. Clear hose; check downhill routing of hose;
You may connect a 3/8" I.D. plastic hose to
the condensate drain and send that water
overboard.
1. Drains are provided to allow rainwater to
drain; Some drainage may occur due to
water condensing in compressor spaces
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