8/8/2014
VECTOR COMPACT
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Coil is iced.
See below.
Coil is iced.
Thermostat set point is too low.
Raise set point.
Coil is iced
(continued).
Improper air flow.
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.
Supply air is short-cycling.
Redirect supply air so that it is not blowing into the
return air stream.
Humidity level too high.
Close hatches and doors.
When all else fails.
Switch a/c to heat until ice melts or use hair dryer
to melt ice.
Check your specific control
troubleshooting section.
System runs
continuously.
Set point temperature is
improperly set: too low for
cooling or too high for heating.
Raise or lower set point.
Porthole or hatches open.
Close all port holes and hatches.
Sea water temperature too high
for cooling or too low for
heating.
Sea water temperature will directly affect the a/c
unit’s efficiency. This a/c unit can effectively cool
your boat in water temperatures up to 908 F and
heat (if reverse cycle option is installed) in water as
low as 408 F. Switch to electric heat if installed.
Improper air sensor location.
Check your specific control troubleshooting
section.
PASSPORT II DIGITAL CONTROL TROUBLESHOOTING GUIDELINES
FAULT
POSSIBLE REASON
CORRECTION
Passport II
display panel is
8-pin display cable plugs are not
making contact (unplugged, dirt,
With POWER OFF at the circuit breaker, remove
connector and inspect. If damaged, replace