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TROUBLESHOOTING GUIDE
(
CONTINUED)
SYMPTOM
CAUSE
CHECK/CORRECTION
Compressor short cycles
(continued).
Thermostat bulb or thermistor is not
properly located.
Ensure bulb is located at original factory specified location.
(In return air)
Faulty or incorrect compressor overload.
Check for correct overload model number and replace if
incorrect. Otherwise, if running amps seem normal, replace
overload.
Indoor coil freezing.
See “Evaporator Coil Frosts”.
Recycling of indoor air.
Ensure that curtains or other obstructions are not short-
circuiting air between the outlet grill and return air intake.
Compressor running too slow and draw-
ing high amps.
Compressor may be miswired. Check capacitor.
Compressor may be seizing
– if so, replace compressor.
Compressor will not run.
Fuse or circuit breaker tripped.
Replace or re-test as necessary.
Defective switch.
Test and replace if necessary.
Defective thermostat.
Test and replace if necessary.
Indoor room temperature below thermo-
stat set point.
Lower thermostat setting if comfort not yet achieved.
Indoor room temperature below 65
degrees F.
Cooling will not operate if the room temperature is below 65
degrees F.
Outdoor temperature too cold.
Compressor is not intended to operate at cold outdoor tem-
peratures (
below 35 degrees F
).
Summary of Contents for EZ Series 25
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