Smart Touch Cabin Control Installation & Operations Manual
TROUBLESHOOTING
L-3380 ENGLISH
29
Fan coil is iced.
1. Thermostat set point is too low.
2. Improper airflow.
3. Supply air is short-cycling.
4. Humidity level too high.
1. Raise set point.
2. Remove any obstructions in return air
stream. Clean return air filter and grille.
Check for crushed or restricted ducting.
Ducting must be as straight, smooth and
taut as possible. See “Digital Controls
Troubleshooting” on page 30 for
reprogramming options.
3. Redirect supply air so that is not blowing into
the return air stream. Seal any air leaks on
duct.
4. Close hatches and doors.
When all else fails, switch air conditioning unit
to heat until ice melts or use hair dryer to melt.
Water coil is iced in the
Heating Mode.
Seawater temperature is below 40°F (4.4°C).
Shut down system to prevent damage to
condenser. Allow coil to defrost.
System runs continuously.
1. Set point temperature is improperly set: too
low for cooling or too high for heating.
2. Porthole or hatches open.
3. Seawater temperature too high for cooling
or too low for heating.
4. Improper air sensor location.
1. Raise or lower set point.
2. Close all port holes and hatches.
3. Seawater temperature will directly affect the
air conditioning unit’s efficiency. This air
conditioning unit can effectively cool your
boat in water temperatures up to 90°F
(32.2°C) and heat (if reverse cycle option is
installed) in water as low as 40°F (4.4°C).
4. Check your specific control troubleshooting
section.
PROBLEM
POSSIBLE REASONS
SOLUTIONS
