Fuse Rating - TDK-Lambda G+1U 5kW User Manual

SYMPTOM
No output. Front panel
Alarm LED blinks at 0.5Hz
frequency.
No output. Front panel
Alarm LED blinks at 0.5Hz
frequency.
Poor Load regulation Front
panel CV indicator is on.
Front Panel controls are
non-functional.
No output.
(*) Refer to the relevant item in the Safety & Installation manual
10.7

Fuse Rating

There are no user replaceable fuses in the power supply. Internal fuses are sized for fault
protection. If a fuse has been opened, power supply requires service.
Fuse replacement should be made by qualified technical personnel.
Refer to Safety & Installation manual for a listing of the fuses.
CHECK
Display indicates ILC_FAULT
Display indicates ENA_FAULT
Display indicates Fold Fault
Display indicates OTP
Are sensing wires connected
properly?
Is the power supply in Local-
Lockout mode?
Display indicates "GNRL ERROR" Perform AC recycle.
Table 10-1: Troubleshooting
189
ACTION
Check the Rear Panel J1 Interlock
connection & Functionality.
Check the Rear Panel J1 Enable
connection & Functionality.
Check the Foldback setting and
load current.
Check if air intake or exhaust are
blocked.
Check if the unit is installed
adjacent to heat generating
equipment.
Connect the sense wires according
to User Manual instructions.
Press SYST button. SYST (GREEN)
LED illuminates.
Press Current encoder to switch
between panel Lock state to panel
Unlock state.
Display shows the state to be
selected.
If problem persists, contact TDK-
Lambda service.
REF.
2.12.1
2.12.2
2.9.4
2.9.6
Safety &
Installation
Manual (*)
4.2.7