Install Manual

15.0 Basic Troubleshooting for the Geocool unit
If an issue with your units occurs, refer to the following list for possible symptoms and corrective
actions.
Water around base of unit:
1. Water leak. Find and repair leak.
2. Condensation pan not draining. Check for restriction, clean pan and blow out pipe.
3. Air coil freezing. Check for dirty air filter, dirty air coil, or restriction in ductwork.
Noisy operation
1. Defective fan motor/blower housing. Repair or replace blower.
2. Defective compressor. Replace compressor.
3. Refrigeration line vibration. Reposition and secure.
4. Foreign material in blower housing. Clean blower housing.
5. A “whistle” noise from ductwork. Repair leak in ductwork or check for undersized duct.
6. “Thumping” noise from water lines. Check well pressure and insure not set too high,
Low air flow
1. Leaks in ductwork. Repair ductwork.
2. Registers closed. Open registers.
3. Clogged filter. Replace filter.
4. Dirty air coil. Clean air coil.
5. Check blower module
6. Ductwork blockage. Check for possible loose insulation in ductwork.
Unit inoperative
1. No power to unit. Check electrical supply (fuses, breakers, etc.).
2. Defective thermostat. Check thermostat/control wiring and repair/replace batteries.
3. Tripped internal transformer breaker. Locate short causing trip and correct or replace
bad transformer.
Compressor won’t run
1. Thermostat not set properly. Read thermostat instructions and set correctly.
2. Low or high pressure limit locking out. Check LED indicator board for lockout, correct
issue causing limit trip, then reset unit.
3. Freeze protection activating. Check water flow, correct issue and reset unit.
4. Bad run capacitor. Replace bad capacitor located behind electrical box.
5. Bad contactor. Replace contactor.
6. Bad compressor. Replace compressor.
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