Space Pak ESP-J Series Installation, Operation & Maintenance Manual page 36

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