Table 3-3. Unit Troubleshooting.
TEST OR INSPECTION
Step 6. Check for defective logic box assembly.
is defective, replace logic box assembly.
If logic box assembly is not defective, proceed to next step.
Step 7. Check for defective heater cut out switch.
If heater cut out switch defective, replace it. If heater cut out switch is not
defective, proceed to next step.
Step 8. Check for defective light on control panel assembly.
If control panel lights are not defective, notify your supervisor.
Disconnect input power before performing internal electrical troubleshooting.
Voltages used can be deadly.
Step 1. Check for loose or damaged connectors or wires.
Tighten or replace loose or damaged connectors, or repair damaged wires.
Step 2. Using Electrical Wiring Diagram Figure 1-6, check electrical connectors and
Tighten, repair, or replace as indicated per para. 3-17.
Step 3. Check operation of condenser fan motor.
Test condenser fan motor. Repair or replace as needed per para. 3-34.