Senville
Reduced Heating Capacity
Indoor unit runs but does not heat well in HEAT mode; air is lukewarm and room never reaches set temperature.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Outdoor coil frosted or dirty, Low refrigerant charge, Outdoor ambient temperature below unit's rated heating range, Reversing valve not fully shifting
How to Fix / Troubleshooting
Safety: Turn off power before cleaning outdoor unit.
- Step 1 – Check outdoor conditions: Verify outdoor temperature is within the Senville model's heating range (see manual). Performance drops sharply below this.
- Step 2 – Inspect outdoor coil: Look for frost or ice buildup. If heavily iced, allow unit to defrost and ensure drain is clear.
- Step 3 – Clean outdoor coil: Rinse coil with water to remove dirt and improve heat exchange.
- Step 4 – Verify mode: Confirm the remote is set to HEAT and not AUTO or COOL.
- Step 5 – Professional check: If heating remains weak, a technician should check refrigerant charge and reversing valve operation.
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Repair Difficulty
Medium
3/5
Required Part
Outdoor Condenser Coil
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