This information pertains to “Shorted” voltage lines, not
Open voltage lines
- STBY 5V Short or Open: Power LED does not light in stand by. No Power button function.
- AC Detect Open (Shorted Reset Line): Power LED is lit all Blue, 5V STBY OK. Power Button has no effect.
- M5V Vcc Short: Apply AC Power, goes to flashing Red and Blue. Relay Clicks “On and Off”
- 12V Short: Power LED is lit Red in stand by. At Power On, Power LED flashes 2 times Blue then 1 Long Blue goes back to Red. Relay clicks off immediately.
- 16V Short: Apply AC Power , Power LED flashes Blue. Relay clicks rapidly on and off.
- Va or Vs Short: Power LED is lit Red in stand by. At Power On, goes to Blue. Relay closes. Power LED blinks blue twice and3rd blink stays blue. Relay opens, LED goes to red. Power Supply outputs 16V,12V and 5Vcc,drops to 0V after the relay opens. No Va or Vs. With Relay closed, 330V OK, then when relay opens, it drops to 155V.
Voltage and Diode Test Measurements for the SMPS. All voltages from a working unit.
Connector: CN101
Pin Number: 1 & 3.
Standby: 120VAC
Run: 120VAC
Resistance: 480K
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