To Next PageTo Next PageHow to check if the power source breaker or the fuse is blown on a Hitachi RAS-12FSXN Air Conditioner?
To check if the power source breaker or fuse is blown on your Hitachi Air Conditioner, examine the voltage on the secondary side of the breaker. Then, use a multimeter to check the continuity of the fuse.
How to check the transformer's secondary voltage on a Hitachi Air Conditioner?
To check the transformer's secondary voltage on your Hitachi Air Conditioner, first remove the transformer's secondary connection. Then, use a multimeter to measure the voltage.
General| Brand | Hitachi |
|---|---|
| Model | RAS-12FSXN |
| Category | Air Conditioner |
| Language | English |
Official documentation detailing the service and maintenance procedures for the FSXN series.
Details safety precautions, symbols, and warnings critical for installation and operation.
Covers positioning, transport, lifting, installation space, center of gravity, and foundation for outdoor units.
Covers refrigerant pipe selection, sizes, connection, insulation, and charging for outdoor units.
Includes general info, verifications, power supply connection, DSW settings, and wiring diagrams for outdoor units.
Lists essential checks before performing the test run, including electrical and installation verification.
Details procedures for test runs using remote control or outdoor unit, checking operation, and refrigerant amount.
Covers checking wires, power, 7-segment display, alarm history, emergency operation, and power supply failures.
Provides detailed steps for diagnosing issues based on specific alarm codes.
Provides step-by-step instructions for removing the front service cover, including safety warnings.
Explains how to remove electrical box covers for different RAS models, including safety notes.
Step-by-step guide for removing electrical boxes for RAS-(8-12)FSXN and RAS-(14-18)FSXN models.
Explains how to remove the outdoor fan, including tools and precautions for handling.
Provides detailed instructions for removing the compressor, including safety warnings and refrigerant handling.
Details the procedure for replacing refrigerant oil, including calculations and safety measures.
Provides step-by-step instructions for removing stop valves, including safety precautions and welding procedures.
Covers inverter specifications, structure, protection functions, and overload control.
Discusses a case study of compressor burnout due to insufficient refrigerant and countermeasures.
Covers maximum permissible concentration, calculation, and countermeasures for refrigerant leaks.
