This document is a service manual for the SHARP ELECTRIC FAN, model PJ-ST161. It provides comprehensive information for servicing and maintaining the device, including parts identification, specific information, cautions for use, cleaning and maintenance instructions, wiring and circuit diagrams, component replacement procedures, troubleshooting, and a service parts list.
The electric fan is designed to provide cooling by circulating air. It features a stand-type design with an adjustable height and oscillation function to distribute air across a wider area. The fan includes a front grille, rear grille, blade, and a motor assembly, all contributing to its primary function of air movement.
Usage Features:
The fan is operated via a piano switch, which likely controls power and fan speed settings. An adjustable knob allows users to modify the fan's height and angle, providing flexibility in directing airflow. The oscillation function, controlled by a clutch knob on the motor assembly, enables the fan head to sweep from side to side, ensuring broader air distribution. The design includes a fixing lock and grille lock nut for securing the grilles and blade, ensuring safe operation.
Maintenance Features:
The manual outlines detailed procedures for cleaning and maintenance, emphasizing user safety and prolonging the device's lifespan.
Cautions for Use:
The manual stresses several safety precautions to prevent accidents, electric shock, fire, and damage to the unit:
- Professional Repair: Users should not disassemble or repair the fan themselves; a qualified dealer should be consulted.
- Power Cord Safety: A broken power cord must be replaced by the manufacturer, appointed service providers, or equivalent professionals.
- Unplugging: Always unplug the fan before cleaning or when not in use.
- Water Immersion: Do not immerse the fan in water or sprinkle water on it to avoid short circuits or equipment damage.
- Foreign Objects: Never insert fingers or objects through the grille while the blade is rotating.
- Chemical Sprays: Do not spray vapor or chemicals on the fan while the blade is rotating.
- Plug Connection: Ensure the plug is tightly inserted to prevent overheating, melting plastic, and conflagration. When unplugging, hold the plug itself, not the cable, to prevent damage.
- Wet Hands: Do not plug in with wet hands to prevent electric shock.
- Shared Receptacles: Avoid plugging other appliances into the same receptacle as the fan to prevent overheating and conflagration.
- Placement: Keep the fan away from curtains, mosquito nets, or objects that could be pulled into the motor, which could cause accidents and damage. Avoid using the fan in high-temperature or high-humidity areas, or on hot or sloped floors, as this can damage the unit.
Troubleshooting:
A dedicated section provides common problems, possible causes, and corrective actions, enabling users or technicians to diagnose and fix issues such as:
- Fan not operating (e.g., motor failure, faulty connection, coil stator shock, bush friction, fuse deficiency).
- Motor noise (e.g., loose screws, rotor jam, loose bush).
- Fan not oscillating (e.g., faulty gear box, tight link rod screws).
- Fan tilt not adjusting (e.g., hinge spring issues, tight hinge assembly screws).
- Blade rotation friction (e.g., bush wear, rust on bush axis).
- Switch button not switching off (e.g., contact switch issues, faulty connector lead wire).
- Inability to adjust fan height (e.g., reel spring failure, distorted adjustable tube).
This comprehensive manual ensures that the SHARP ELECTRIC FAN PJ-ST161 can be safely used, maintained, and repaired, maximizing its operational life and user satisfaction.
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