Rebuilding winch control circuits: interference and contact arcing
Current does not fall to zero the instant a contact opens. Breaking an inductive circuit — a winch contactor coil, a solenoid valve, a brake release — drives…
Read →Guides · Fault notes · Case studies
Articles
Written from actual callouts: the measurements taken, what they indicated and what resolved the fault. Guides, single-fault notes, completed case studies and seasonal checklists.
Thermal imaging diagnostics: locating loose switchboard connections under load
A distribution board scanned cold shows nothing useful. Contact resistance at a termination only declares itself as heat when current is flowing, which makes the load condition —…
Read →Equipment index
Systems installed and serviced
Articles are indexed by equipment family so an owner searching a model number reaches the relevant note directly.
Victron Energy
MultiPlus · Quattro · SmartSolar · Cerbo GX · Lynx · BMV
Mastervolt
Mass Combi · ChargeMaster · MasterShunt · MasterBus
Raymarine
Axiom · Quantum radar · Evolution autopilot · i70
Garmin
GPSMAP · GMR radar · Reactor autopilot · GT transducers
Simrad
NSS · Halo radar · AP44 · Broadband sonar
B&G
Zeus · Vulcan · Triton instruments · H5000
Furuno
NavNet · DRS radar · FI70 · sounders
Fault assessment for your vessel
Send the symptom, the equipment involved and the berth. A written assessment follows before any attendance is booked.