To Next PageTo Next PageWhat to do if Carrier Air Conditioner shows high/low voltage protection on compressor terminal?
If your Carrier Air Conditioner's compressor terminal shows high or low voltage protection errors, the first step is to check the voltage levels. Ensure that the power supply to the unit is stable and within the recommended range.
General| Brand | Carrier |
|---|---|
| Model | 38MA R Series |
| Category | Air Conditioner |
| Language | English |
Inspect the unit for damage and verify it matches job specifications.
Select location, ensure level position, consider wind and base requirements.
Install drain joint and extension hose, ensuring proper sealing and drainage.
Details on pipe size, length, refrigerant type, and charge amount for different unit sizes.
Explains deep vacuum and triple evacuation methods to remove air and moisture.
Guides on power and communication wiring, terminal connections, and grounding.
Perform test operation after checks, review manuals for additional info.
Ensure tubing concealment, drain slope, insulation, and hole sealing.
Inform customer about operation, maintenance, and installation instructions.
Lists LED indicators and failure modes for outdoor unit diagnostic codes.
Details error codes (E1, F0-F5, P0-P4, P7, J0-J8) and their meanings.
Fields for site address, contractor info, job name, and distributor details.
Collects model and serial numbers for outdoor and indoor units.
Checks wire size, type, connections, and verifies wiring to the correct indoor unit.
Verifies single-zone wiring connections and voltages at disconnect and terminal blocks.
Checks leak test, evacuation method, vacuum hold, and line set sizing.
Records measured liquid pipe length and calculates additional charge.
Records operational data during testing to ensure proper system performance.
Records any error codes present from indoor, outdoor units, or wall controller.
