175
If analog programming is used,
check if the OVP is set lower than
No output. Display indicates SO Check if the rear panel J1 Output
No output. Front panel
Alarm LED is on.
Display indicates ILC_FAULT Check the Rear Panel J1 Interlock
connection & Functionality.
Display indicates ENA_FAULT Check the Rear Panel J1 Enable
connection & Functionality.
No output. Front panel
Alarm LED blinks at 0.5Hz
frequency.
Display indicates Fold Fault
Check the Foldback setting and
Display indicates OTP Check if air intake or exhaust are
blocked.
Check if the unit is installed
adjacent to heat generating
Poor Load regulation Front
panel CV indicator is on.
Are sensing wires connected
Connect the sense wires according
to User Manual instructions.
Front Panel controls are
non-functional.
Is the power supply in Local-
Lockout mode?
Press SYST Button. SYST
LED illuminates.
Press Current encoder to switch
between panel Lock state to panel
Unlock state.
Display shows the state to be
No output. Display indicates ”GNRL ERROR” Perform AC recycle.
If problem persists, contact TDK-
(*) Refer to the relevant item in the Safety & Installation manual
Table 10-1: Troubleshooting
10.7
Fuse Rating
There are no user replaceable fuses in the power supply.
Internal fuses are sized for fault protection and if a fuse has been opened, it will indicate that
service is required.
Fuse replacement should be made by qualified technical personnel. Refer to Table 1-1 in the
Safety & Installation manual for a listing of the fuses.