
Wall-Mounted Ductless Split Systems
Common Issues
- “My indoor unit blows warm air”
- Verify system has been properly maintained
- Verify air filters have been washed.
- Verify condenser coil is clean.
- If dirty, gently wash with water.
- Verify blower wheel is clean
- With system in OFF mode, manually open louver and verify blower is clean.
- If dirty, contact your A/C tech for cleaning.
- If system has been maintained, see 1.b
- System may be low on refrigerant charge or have an electrical/mechanical issue. Contact your A/C tech.
- “My unit cools, but there is a musty smell”
- Verify system has been properly maintained
- Verify air filters have been washed.
- Verify blower wheel is clean
- With system in OFF mode, manually open louver and verify blower is clean.
- If dirty, contact your A/C tech for cleaning.
- “My remote controller doesn’t work”
- Verify battery condition
- Locate battery location on remote.
- Check for battery corrosion on terminals.
- Clean corrosion
- Replace batteries
- There is no corrosion and batteries have been replaced? Proceed to 3.b
- There may be an issue with the remote circuitry or the receiver on the indoor unit. Contact your A/C tech.