TROUBLESHOOTING Smart Touch Cabin Control Installation & Operations Manual
32 L-3380 ENGLISH
TROUBLESHOOTING
GENERAL TROUBLESHOOTING
PROBLEM POSSIBLE REASONS SOLUTIONS
System will not
start.
1. Air conditioner circuit breaker is off.
2. Digital control is not turned on.
3. Miswired at terminal strip.
4. Input-line voltage is insufficient.
5. Push-on connectors or butt splices
became disconnected during
installation.
1. Turn circuit breaker on at ship’s panel.
2. Turn on the control.
3. Check wiring diagram; correct if necessary.
4. Check power source (shore/generator) for proper voltage.
Check wiring and terminals for proper sizes and connections.
Verify with a voltmeter that the power at the unit is the same as
the power source.
5. Disconnect power supply and open electric box. Verify
connections are tight.
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.
Low airflow. 1. Airflow is blocked.
2. Fan speed is set to Manual Low.
3. Fan coil is iced.
1. 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.
2. If the fan speed is set to Manual Low, press and release the Fan
icon until the desired fan speed and airflow are reached. If
automatic fan-speed control is desired, press and release the
Fan icon until the fan speed indicator at the top of the fan speed
graph shows AUTO.
3. See “Fan coil is iced” on page 28.
Fan is not running. Check “Digital-Controls Troubleshooting” on page 34.
No heating Unit is “cool only”, or if reverse cycle,
reversing valve may be stuck.
Tap reversing valve lightly with rubber mallet while unit is in heat
mode. Call for service if that does not correct the problem.
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.
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 34 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.
If all else fails, switch air conditioning unit to heat until ice melts or
use hair dryer to melt.
To Next Page
Loading...
Need help?
General
