Customer complaint
What the customer noticed
The Magnum inverter intermittently switched away from shore power while the Whirlpool refrigerator cycled rapidly, and the inverter showed a high-voltage fault.
Diagnostic findings
What inspection and testing revealed
After resetting the inverter and monitoring the refrigerator circuit, current jumped from 0.87 to 15.69 amps. The surge pointed to the refrigerator load triggering the inverter system response.
Work performed or recommended
What Sunset did or recommended
Performed inverter and shore-power diagnostics and monitored the refrigerator circuit with a clamp meter.
Outcome and next step
Where the service call stands
The refrigerator was identified as the likely source of the electrical disturbance. The source post does not confirm a repair or replacement.