What does 'H3' mean on my Sea Breeze PTAC49CH3ZC Heat Pump?
- MMelanie SmithAug 18, 2025
If your Sea Breeze Heat Pump displays 'H3', it means overload detection protection has been activated. The Dual-8 nixie tube displays “H3”.
What does 'H3' mean on my Sea Breeze PTAC49CH3ZC Heat Pump?
If your Sea Breeze Heat Pump displays 'H3', it means overload detection protection has been activated. The Dual-8 nixie tube displays “H3”.
What does 'A2' mean on my Sea Breeze PTAC49CH3ZC display?
If your Sea Breeze Heat Pump displays 'A2', it signifies a malfunction protection for the electric heating. The Dual-8 nixie tube displays “A2”.
What does 'F0' mean on my Sea Breeze PTAC49CH3ZC Heat Pump?
If your Sea Breeze Heat Pump displays 'F0', it indicates Freon-lacking protection. The Dual-8 nixie tube displays “F0”.
What does it mean when the STATUS indicator of Sea Breeze Heat Pump flashes six times?
If the STATUS indicator on your Sea Breeze Heat Pump flashes six times and off 3s circularly, it indicates high temperature prevention protection for the outdoor condenser.
What does it mean when the STATUS indicator of Sea Breeze PTAC49CH3ZC flashes seven times?
If the STATUS indicator on your Sea Breeze Heat Pump flashes seven times and off 3s circularly, it indicates frost prevention.
What does it mean when the STATUS indicator of Sea Breeze Heat Pump flashes eight times?
If the STATUS indicator on your Sea Breeze Heat Pump flashes eight times and off 3s circularly, it indicates high temperature prevention protection for the evaporator.
What does it mean when the STATUS indicator of Sea Breeze Heat Pump flashes five times?
If the STATUS indicator on your Sea Breeze Heat Pump flashes five times and off 3s circularly, it indicates freeze prevention protection for the evaporator.
What does 'F4' mean on my Sea Breeze PTAC49CH3ZC display?
If your Sea Breeze Heat Pump displays 'F4', it means the outdoor tube temperature sensor is open-circuited or short-circuited. The Dual-8 nixie tube displays ‘F4’, and STATUS indicator will flash four times and off 3s circularly.
What does it mean when the STATUS indicator of Sea Breeze Heat Pump flashes nine times?
If the STATUS indicator on your Sea Breeze Heat Pump flashes nine times and off 3s circularly, it indicates a wrong wire connection for the wired controller.
What does 'F2' mean on my Sea Breeze Heat Pump display?
If your Sea Breeze Heat Pump displays 'F2', it means the indoor tube temperature sensor is open-circuited or short-circuited. The Dual-8 nixie tube displays ‘F2’, and STATUS indicator will flash twice and off 3s circularly.
Highlights hazards that could result in personal injury, death, or property damage.
Details power cord options, breaker requirements, and suggested wire sizes.
Explains unit installation into sleeves and compatibility with different brands.
Step-by-step guide for physically inserting the unit into the wall sleeve.
Details power supply kit compatibility and electrical connection procedures.
Instructions for connecting a wall thermostat and routing its wiring.
Describes the unit's self-monitoring system and diagnostic failure codes.
Emphasizes regular cleaning of air filters for optimal unit efficiency.
Addresses causes and solutions for units not starting or not cooling/heating properly.
Explains troubleshooting for strange display characters, noises, and water dripping.
Lists dual-nixie tube and status indicator codes for heat pump malfunctions.
Lists dual-nixie tube and status indicator codes for A/C malfunctions.
| Brand | Sea Breeze |
|---|---|
| Model | PTAC49CH3ZC |
| Category | Heat Pump |
| Language | English |
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