83-515-000 Rev. A
73
SYMPTOM CHECK ACTION
REF
Output Voltage will not adjust.
Front panel CC LED is On.
Is the unit in constant current
mode?
Check Output Current
setting and load current.
5.2.1
5.2.2
Output Voltage will not adjust
Front panel CV Led is On.
Check if output voltage is
adjusted above OVP setting
or below UVL setting.
Set OVP or UVL so they will
not limit the output.
5.3
5.4
Output Current will not adjust.
Front panel CV LED is on.
Is the unit in constant voltage
mode?
Check Output Current and
voltage setting
5.2
Large ripple present in output. Is the power supply in remote
sense?
Is the voltage drop on the
load wire high?
Check load and sense
wires connection for noise
and impedance effects.
Minimize the drop on the
load wires.
3.9.4
3.9.8
No output. Display indicates
“OUP”
Overvoltage Protection circuit
is tripped.
Turn off the AC power
switch. Check load
connections. If Analog
Programming is used,
check if the OVP is set
lower than the output.
5.3
No output. Front panel
ALARM LED is blinking.
Check rear panel J1
ENABLE connection.
5.8
Display indicates “ENA”
Setup switch SW1 setting.
4.4
Display indicates “SO”
Check rear panel J1 Output
Shut-Off connection.
5.7
Display indicates “OTP”
Check if air intake or
exhaust are blocked.
Check if the unit is
installed adjacent to heat
generating equipment.
Display indicates “Fb”
Check Foldback setting and
load current.
5.5
Poor Load regulation.
Front panel CV LED is on.
Are sensing wires connected
properly?
Connect the sense wires
according to User’s Manual
instructions.
3.9.8
The front panel controls are
non-functional.
Is the power supply in
Local-Lockout mode?
Turn Off the AC power and
wait until the display turns
off. Turn on the AC power
and press front panel
REM/LOC button.
7.2.5
9.7 FUSE RATING
There are no user replaceable fuses in the power supply. Internal fuses are sized for fault protection
and if a fuse was opened, it would indicate that service is required. Fuse replacement should be made
by qualified technical personnel. Refer to Table 9-2 for a listing of the fuses.
Table 9-2: Internal fuses
Fuse designation
3-Phase, 190-240Vac
3-Phase, 380-415Vac
INPUT FUSE
F301, F302, F303:
30A, 250VAC, Fast-Acting
F651, F652, F653:
15A, 600VAC, Fast-Acting
F401, F402
5A, 400VDC, Normal-Blow
Summary of Contents for 2U GENESYS 5kW
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