Maintenance - Dometic MCS T6 Bedienungsanleitung

Maintenance

Problem
"LAC" (Low AC Voltage)
is displayed.
"PLF" (Low Pump Flow)
is displayed.
10 Maintenance
10.1 Reversing Valve
The reversing valve must be energized periodically to keep the internal parts moving
freely.
➤ Switch the air conditioner unit into heat for a few seconds once a month.
10.2 Seawater Strainer
➤ Ensure that your pump receives adequate seawater flow by regularly cleaning the
strainer basket.
➤ Periodically check the overboard discharge for a steady stream of water.
➤ Check seawater intake speed scoop for obstructions.
➤ Make sure hoses are not looped, kinked or crushed.
32
Possible Reason
Supply voltage is too low.
Voltage is improperly calibrated.
Condenser coil is too hot.
Thermistor is damaged.
Damaged jack/socket on circuit
board.
MCS T6, MCS T12, MCS T16
Solution
Verify power to unit with multimeter.
Verify that P-22 matches voltage
reading to unit with a multimeter.
Verify that unit is getting water flow,
and that condenser is not fouled.
Unplug water sensor if installed.
Try another if it is available.
Visually check to see that pins inside
socket are not bent or corroded.
Repair or replace circuit board if
needed.
EN