Technical data, tools and notes for refrigeration and electronics technicians.

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Technical Troubleshooting: Automatic Washer Stops After Filling mbsmpro
30, Jan 2026
Technical Troubleshooting: Automatic Washer Stops After Filling

If your automatic washer fills with water but refuses to start the agitation or wash cycle, you are facing a common mechanical or electronic failure. This guide explores the primary culprits, including faulty lid switches, clogged pressure tubes, and failing drive motors, providing technical insights to help you diagnose and…

Stay away from 4 washing machines: Kiriazi, Candy, GMC, White Whale mbsmpro
26, Jan 2026
Stay away from 4 washing machines: Kiriazi, Candy, GMC, White Whale

A washing machine is a long-term engineering investment. From a field technician’s perspective, choosing the right brand depends on mechanical durability and electronic stability. While brands like Kiryazi, Candy, GMC, and White Whale are popular, they often face structural oxidation and PCB failures. This article analyzes why LG, Samsung, and…

MCB miniature circuit breaker thermal magnetic protection mechanism mbsmpro
12, Jan 2026
MCB miniature circuit breaker thermal magnetic protection mechanism

An MCB (Miniature Circuit Breaker) is an automatic electrical switch that protects circuits from overloads and short circuits. Using dual thermal-magnetic mechanisms, MCBs detect abnormal currents and instantly disconnect power to prevent equipment damage and fire hazards. Compact, reliable, and essential for modern electrical safety.

Coil Rewinding, Universal Motor, 550 W mbsmpro
10, Jan 2026
Coil Rewinding, Universal Motor, 550 W

Coil rewinding for a 550‑watt universal mixer‑grinder motor with a 48 mm core is more than just replacing burnt copper. The technician must reproduce the original 210+80 turn field coils with SWG 25 wire, respect the high‑medium‑low speed connections, and follow best rewinding practices to keep torque, speed, and temperature…

Electrical unit conversion reference table: HP to watts, KVA to amps, tons refrigeration to kW mbsmpro
9, Jan 2026
Electrical unit conversion reference table: HP to watts, KVA to amps, tons refrigeration to kW

Electrical unit conversions are essential knowledge for HVAC technicians and refrigeration engineers. This comprehensive reference guide provides quick access to conversion formulas, technical specifications, and practical examples for comparing power ratings, calculating system requirements, and optimizing equipment selection across different measurement standards.

8‑pin and 11‑pin relay bases are common in control panels mbsmpro
5, Jan 2026
8‑pin and 11‑pin relay bases are common in control panels

8‑pin and 11‑pin relay bases are common in control panels, but miswiring coil and contact terminals can burn a load or keep a circuit from switching. This guide explains each pin function, shows practical wiring logic for NO/NC contacts, and compares 8‑pin DPDT sockets with 11‑pin 3PDT sockets for automation…