36
POSSIBLE CAUSE VERIFICATION SOLUTION
Incorrect Low Voltage Connections Check low voltage connections Correct low voltage connections.
against wiring diagram.
Loose Low Voltage Connections Check all wiring connections for Tighten all loose connections.
tightness.
Defective Blower Motor Check motor as described on page If defective, replace motor.
38 in this manual.
CONDITION: ESP-J UNIT WILL NOT START, BUT CONDENSING UNIT CYCLES
POSSIBLE CAUSE VERIFICATION SOLUTION
Blower Motor Check motor as described on page 38 If defective, replace motor.
in this manual.
Check motor amps and compare to If excessive, motor may be
nameplate ratings. overloaded. Check supply duct for
breaks or leaks.
CONDITION: ESP-J UNIT CYCLES, BUT CONDENSING UNIT RUNS
POSSIBLE CAUSE VERIFICATION SOLUTION
Thermostat in Wrong Location Check that thermostat is in vicinity of If necessary, relocate thermostat.
return air box.
Loose Low Or High Voltage Wiring Check all wiring connections for Tighten all loose connections.
tightness.
Defective Blower Motor Check motor as described on page 38 If defective, replace motor.
in this manual.
Condensing Unit Check according to manufacturer’s Repair or replace as directed by
instructions. manufacturer.
CONDITION: ESP-J UNIT RUNS, BUT CONDENSING UNIT CYCLES
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