Chapter5. Power Supply Service Manual
5-2
© 2013
Nautilus Hyosung Inc.
All Rights Reserved.
Troubleshooting
Troubleshooting Tools
► This section describes how to handle problems related to the power supply unit and the
battery.
Problem Verification:
- When the system is not turned on
- When AC In and DC Out LEDs are off
- When Battery Alarm LED is on
In the above state, check the following:
- AC outlet voltage
- AC cable connection status
-
Whether the main power switch is pressed on “I” position
- Power supply cable connection status
Field Repair Scope (Recommendation)
► In the field, the technician can only replace the fuse. Other components shall be
repaired and inspected at the depot level.
The above scope is only a recommendation of Nautilus Hyosung and is subject to
change depending on the field situation or the te
chnician’s capacity.
If all power supply status LEDs are off or the system is not turned on while AC power is
normally provided, replace the fuse at the power input port of the power supply unit.
Other items not mentioned above cannot be repaired or inspected on site but must be
inspected and repaired at the depot level.
