Service Manual Chapter5. Power Supply
©
Nautilus Hyosung, Inc.
All Rights Reserved.
5-9
Checking power supply status
▶
When the LED for displaying power supply status is off
1. Check A.C power
2. Check Power Cord connection status
3. Check Main Switch status (I/O)
4. Check Fuse inside of Power Supply
▪
Remove 6 screws on Power Supply Case Cover.
▪
Check Fuse (F1, F201) Open/Short inside of Power Supply.
* Be sure to check the status after unplugging A.C power cord.
▶
When the LED for displaying power supply status is on
1. YELLOW(S) LED lights up : Stand-by off or +24Vdc output abnormal status
▪
Turn on Stand-by switch.
▪
After disassembling D.C output connector, turn on Stand-by switch.
2. RED(P) LED lights up : D.C output abnormal status
▪
Switch on if a certain time goes by after turning off main switch.
▪
Switch on if a certain time goes by after turning off main switch and disassembling
D.C output connector.
