Xantrex XFR 2800 Operating Manual page 74

Local Operation
User Diagnostics
Table 3.4 User Diagnostics
Symptom
No output and the
display is blank.
No output but the
display turns on.
Output not adjustable.
Output voltage
fluctuating or regulation
poor.
Output oscillating.
72
Check
Is input voltage within specified
range?
Power switch ON?
Internal circuit?
OVP LED turned on?
Front panel S/D LED turned on?
OTP LED turned on?
Current limit set to zero?
Voltage control set to zero?
REM LED turned on?
Is front panel ACF LED turned on?
Internal circuit.
Is unit in current limit mode?
(Red Current Mode LED turned on.)
Is unit in remote mode?
(Green REM LED turned on.)
Is unit at maximum voltage or current
limit?
Is unit at current limit?
Is input voltage within specified
range?
Are sense lines connected?
Is unit under remote analog control?
Internal circuit.
Internal circuit.
Further Checks and Corrections
Connect to appropriate voltage source.
See page 40.
Turn on power.
See your service technician.
See page 61.
See page 63.
See page 70.
See page 57.
See page 57.
If using remote analog control, check
your analog programming source
(Section 4). If not, refer to your digital
interface manual.
Connect unit to AC supply in specified
range. See page 40.
See your service technician.
Turn current knob clockwise to increase
current limit. Reduce load if current is at
maximum. See page 57.
If using remote analog control, check
your analog programming source
(Section 4). If not, refer to your digital
interface manual.
Reduce load for lower voltage or current
requirement.
Increase current limit setting or reduce
load. See page 57.
Connect to appropriate AC voltage
source.
See page 40.
See page 45 and page 53.
Ensure that program source is stable.
See your service technician.
See your service technician.
Operating Manual for XFR 2.8kW Series Power Supply