Central System Maintenance
- Replace filters
- Clean indoor and outdoor coils
- Preventive drain unclogging
- Clean the drain pump
- Clean the blower wheel (squirrel cage) if needed
- Lubricate motors if necessary
- Check voltage
- Verify proper operation of sequencers and electrical components
- Check capacitors
- Verify thermostat programming
- Check amperage of electrical elements and motors
- Inspect electrical connections
- Check pipe insulation
- Verify refrigerant pressure if required
- Check temperature differential
Service Call / Diagnostic
- Check all system components
- Identify the problem through deduction
- Repair the system
- Inform the customer if additional costs are required (parts or extra labor)
- Order parts after customer approval
Wall-Mounted System Maintenance
- Clean filters
- Clean indoor and outdoor coils
- Preventive drain unclogging
- Clean the drain pump
- Clean the blower wheel if needed
- Lubricate motors if necessary
- Check input voltage
- Check motor amperage
- Inspect electrical connections
- Check pipe insulation
- Verify refrigerant pressure if required
