GE MV1526W, MV1526B service manual Fuse

Page 35

PROBLEM - E: Ventilation fan does not operate when “FAN HIGH/LOW” key is touched.

1

Check: 1. POWER SUPPLY

2. FUSE

 

 

 

 

 

 

 

 

 

 

 

NO

 

Replace

contact

oven thermostat

 

 

 

 

 

Check the contact of oven thermostat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact

 

 

 

Check contact

OK

of connector S1

 

 

(see page 7-4)

 

 

 

 

 

Runs

 

 

 

 

 

 

 

 

 

 

 

 

Runs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Poor contact

Correct

 

Normal

 

 

 

 

 

 

 

 

seating

 

contact

 

 

Contact OK

Replace

Normal

Runs

 

circuit board

circuit board

 

7-24

NO runs

Replace

Normal

Runs

 

ventilation

ventilation

 

 

motor ASS’Y

motor ASS’Y

 

Image 35
Contents Microwave Oven Safety Precautions in this ManualPage Table of Contents Specifications Antenna Microwave RadiationGrounding Instructions InstallationControl Panel Operating InstructionsControl Panel Instructions Schematic Diagram Overall Circuit DiagramMatrix Circuit for Touch KEY Board Trial Operation General Information for ServiceGeneral Precautions in USE Features and Specifications FeaturesPreliminary Service InformationPrecautions and Repair Service Tips Equipment Microwave Leakage TestMeasurement with the Outer Case Removed Power Output MeasurementImportant Notes Disassembly InstructionsHOW to Insert the F.P.C. Connector HOW to Remove the F.P.C. ConnectorRemoving the OUT CASEFigure Wire Color Removing the Door Interlock Switches Figures 9,10Removing Magnetron Removing Door Figure Removing the Ventilation FAN ASS’Y Assembling DoorRemoving the Turntable Motor Interlock Mechanism Interlock SystemTest the Latch and Switch Sequence Interlock Continuity Test Components Test Procedure ResultsSwitches HIGH-VOLTAGE Test and Checkout PROCEDURES, and Trouble ShootingTest Procedures MagnetronHIGH-VOLTAGE Diode HIGH-VOLTAGE CapacitorMatrix Circuit for FPC ConnectorTouch KEY Board Connectorkey CON RELAY2 Checkout ProceduresPower Level Checkout Procedures for Fuse BlowingYES Checkout Procedures for Relay Problem aRELAY3 Problem B YES GoodCheckout Procedures for Circuit Board Trouble Shooting Thermostat Page Fuse Exploded View Control Panel Oven Cavity Latch Board Interior 50FZZA Installation Schematic Diagram of P.C.B Printed Circuit Board July

MV1526W, MV1526B specifications

The GE MV1526B and MV1526W are advanced medium-voltage switchgear solutions designed for reliability, efficiency, and safety in various industrial and utility applications. These models from General Electric (GE) represent a significant leap forward in switchgear technology, incorporating state-of-the-art features and benefits for modern electrical systems.

One of the primary features of the MV1526B and MV1526W is their robust construction, designed to withstand the harshest environmental conditions. Built with high-quality materials, these models ensure long-lasting performance while providing superior protection against external elements such as moisture, dust, and extreme temperatures. This durability ensures low maintenance costs and extended service life, making them an excellent choice for long-term investments.

Both models utilize vacuum circuit breaker technology, which is critically important for medium-voltage applications. This technology minimizes arcing during operations, significantly enhancing safety and reducing maintenance periods. The vacuum interrupters are designed to provide superior fault interruption capabilities, ensuring that the electrical systems are safeguarded against overloads and short circuits.

The MV1526B and MV1526W also showcase GE's advanced digital controls and monitoring capabilities. Features such as real-time diagnostics and remote monitoring allow for proactive maintenance, enabling operators to identify potential issues before they escalate. This not only enhances system reliability, it also minimizes downtimes, ultimately resulting in greater operational efficiency.

Another significant characteristic of these models is their compact design. The MV1526B and MV1526W applications are engineered to maximize space while maintaining operational functionality. This compact footprint is particularly advantageous in environments where space is a premium, allowing for easier installations and future expansions.

Moreover, the flexibility of configuration is a standout feature of the MV1526 series. Users can customize their switchgear layout based on specific operational needs, accommodating various configurations for different applications. This adaptability makes the MV1526B and MV1526W suitable for a range of sectors, including energy, manufacturing, and commercial facilities.

In conclusion, the GE MV1526B and MV1526W models exemplify cutting-edge technology and engineering excellence, providing industrial and utility applications with versatile, reliable, and safe medium-voltage solutions. Their advanced features, including vacuum circuit breaker technology, digital monitoring capabilities, robust construction, and compact design, make them ideal choices for modern electrical infrastructure.