MCS T6, MCS T12, MCS T16 Troubleshooting
25
No cooling or heating. Temperature set point is satisfied. Lower or raise set point.
Obstructed seawater flow. Clean seawater strainer.
Check for obstructions at speed
scoop thru-hull inlet.
Check for a good steady flow from
the overboard discharge.
Seawater pump may be air-locked. Remove hose from pump discharge
to purge air from line.
Loss refrigerant gas. Check air conditioning unit for refrig-
erant oil leakage.
Call service technician.
Seawater temperature too high for
cooling or too low for heating.
Seawater temperature will directly
affect air conditioning unit’s effi-
ciency.
This air conditioning unit can effec-
tively cool your boat in water temper-
ature up to 32.2 °C (90 °F) and heat
in water temperatures as low as
4.4°C (40°F).
Problem Possible Reason Solution
MCS-6-12-16--O-West.book Seite 25 Dienstag, 14. November 2017 11:28 11
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