Trydent FC115, Technical And Service Manual

Page: 19 / 36

THERE IS AN EXISTING HEATING
REQUEST, THE FAN WORKS, THE
RED HEATING LIGHT IS ON, NO
CODES ARE DISPLAYED AND YET
THE COMPRESSOR ISN’T STARTING
1) Check for defective contactor -
1) Listen if it engages
2) Check Contactor Coil
2) For 3 Phase Units – Check for fault on
Phase protector
3) Check/Replace Run Capacitor
4) Check for compressor issues
1) Check compressor Amp Draw when it
tries to start (LRA)
2) Check if compressor is Shorted to
ground
3) Check Resistance between wires