Troubleshooting Chart - Freestyle MN126-1 Service Manual

7.2 Troubleshooting Chart

Problem
Unit does not turn on when
connected to AC power outlet.
Unit does not turn on, and
DC power supply is properly
connected to an automobile,
RV, accessory outlet.
General malfunction;
alarm is activated.
7-2
Possible Cause
Wall switch power is off.
No power at outlet.
Universal AC or /DC Power
Supply:
AC power supply is not
properly connected to
FreeStyle.
Defective AC power supply.
Bent or broken connector pins
No power at DC outlet.
DC power supply is not
connected to accessory
outlet or not connected to
FreeStyle.
Universal AC or /DC Power
Supply:
DC input cable is not
connected to Universal AC or
/DC power supply.
FreeStyle DC power inlet
connector not properly
connected to circuit board.
Defective DC power supply
Defective keypad control
panel membrane switch.
Defective motor controller.
Defective circuit board.
Unit overheats and will shut
down. Check air inlet and
exhaust vents for obstruction.
Also check inlet filter.
Dirty or restricted inlet filter.
Restricted blowdown muffler.
Compressor failure.
Solution
Turn on wall or outlet switch
or reset circuit breaker.
Check connection from the
AC power supply to
FreeStyle.
Replace AC power supply.
Check fuse for DC outlet.
Connect DC power supply
to outlet of automobile after
ignition is started.
Connect DC cable to
Universal Power supply.
Replace FreeStyle DC input
cable; connect harness to
circuit board.
Replace power supply.
Replace keypad control
panel membrane switch.
Replace motor controller.
Replace circuit board.
Clear obstructed area of air
inlet and exhaust or replace
dirty filter. Replace fan if not
operating.
Correct any leaks.
Replace inlet filter.
Replace blowdown
muffler.
Replace compressor.
FreeStyle Service Manual MN126-1 E