e)Check for any obstructions in the intake or strainer/water lines. Periodic growth of barnicles or accumulated debris may block the water intakes.
f)If this is a new installation, check to make sure that pump, water strainer and sea cock are all below sea level. Pump will not prime if any of these parts are above sea level. Also ensure the caps have been removed from the water (condensing) coil.
5. Evaporator Freezing:
a)Supply air vents closed or insufficient number of vents. Open and/or add additional vents.
b)Fan not running or intermittent. See paragraph 3 above.
c)Return air blocked. Clean air filter and/or remove any blockage.
d)Thermostat set too low and is not allowing unit to cycle and remove icing. Set thermostat at a higher setting.
e.) Thermostat improperly located in a position not giving “true” cabin temperature. Examples would be in a sunny spot near glass, or near the hatch. Relocate thermostat.
f) Low freon due to leak. Unit will require professional service.
6. Condensation Pan Overflows:
a)Drain pan nipple on pan clogged. Clean nipple.
b)Drain hose clogged, misaligned or kinked. Fix and/or clear hose.
c)Air conditioner not properly elevated to drain water to drain pan nipple. Check unit mounting to insure water will flow to nipple.
7. Circuit Breaker Will Not Stay On:
a)Shorted wire. See the WARNING under paragraph 1i above regarding electrical service in and outside of the electrical box and at the circuit breaker. Check for loose or disconnected wires. Reconnect or replace as necessary.
b)Pump internally shorted. Remove pump power from electrical box and start the unit. If circuit does not trip, replace pump.
c)Check circuit breaker for proper operation. If faulty, replace circuit breaker.
d)Compressor shorted internally. Compressor must be replaced professionally.
