TD 18439
FLUCTUATING LOW SIDE PRESSURE
(MORE THAN 5#).
1. Is TXV bulb tight on top of suction line?
2. Is there a proper charge in unit?
3. Is water running over the evaporator continuously?
4. TXV is faulty.
WATER OVERFLOW RESERVOIR.
1. Check water pressure, not less than 20 psi, and
not more than 50 psi on Float Valves with no Flow
Washer, or 125 psi for Float Valves with Flow
Washers..
2. Float defective or set too high.
3. Obstruction in water line to pump.
4. Obstruction in cross–over tube.
CURTAIN DOES NOT STAY IN PLACE.
1. Adjust rear bracket closer to evaporator.
ICE TOO THICK OR TOO THIN.
1. Adjust potentiometer (Bridge adjustment CCW
thickner, CW thinner).
2. Check evaporator sensor for proper ohms.
3. Is dump solenoid open or float overfilling reservoir?
GOES OFF ON CODE 4
1. Refrigerant Leak.
2. High suction pressure.
3. Check sensor for proper ohms.
GOES OFF ON CODE 6.
1. Is fan operating during freeze cycle & fan blade
free.
2. Is condenser clean?
3. Is sensor defective?
4. On “water cooled” is there water to the condenser?
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