Ps-855b Maintenance Manual [exclusive] (2024)

Perform a hard power cycle (off for 60 seconds). Measure internal rail voltages.

Wait a minimum of 5 minutes after disconnection to allow internal high-capacity smoothing capacitors to fully discharge. Check capacitor terminals with a DMM before touching internal components. ps-855b maintenance manual

Do you need assistance identifying a on the PCB circuit board? Share public link Perform a hard power cycle (off for 60 seconds)

Verify that the internal load safely cuts off after five seconds. Periodic Checks (Every 3 to 6 Months) ps-855b maintenance manual