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General| Brand | Westinghouse |
|---|---|
| Model | WHS18WMA21S |
| Category | Air Conditioner |
| Language | English |
Electrical shock hazard during wiring; use qualified electricians and follow safety guidelines.
Guidelines for safe installation, covering walls, rooms, and locations.
Safety measures to follow before and during unit servicing, including power off.
Provides critical clearance and spacing information for safe outdoor unit operation.
Checklist of items to verify before starting the air conditioner unit.
Table detailing error codes, descriptions, and potential causes for outdoor unit malfunctions.
Further error codes and their root causes for outdoor unit issues.
Error indications for various protection mechanisms and their causes.
Error code display for indoor unit communication issues between display and control boards.
Error codes related to indoor temperature and coil temperature sensor failures.
Error codes for IPM module, AC voltage, and communication failures between units.
Error codes for compressor drive, fan motor, and anti-overload protection.
Error codes for indoor EEPROM failure and grounding protection issues.
Error codes for temperature sensors and communication failures between indoor and outdoor units.
Error codes for compressor pre-heating, chip issues, radiator, and pressure protection.
Conditions and actions for AC input over-voltage and under-voltage protection.
Analysis of over-current protection and frequency reduction causes and effects.
Prohibitions on frequency increase for compressor discharge and outdoor coiled pipe.
