Xantrex XFR 7.5-140 Operating Manual page 75

Local Operation
User Diagnostics
Table 3.4 User Diagnostics
Symptom Check
No output and the Is input voltage within specified
display is blank. range?
Power switch ON?
Internal circuit?
No output but the OVP LED turned on?
display turns 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.
Output not adjustable. 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?
Output voltage Is unit at current limit?
fluctuating or regulation
poor.
Is input voltage within specified
range?
Are sense lines connected?
Is unit under remote analog control?
Internal circuit.
Output oscillating. Internal circuit.
72
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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 program source is stable.
See your service technician.
See your service technician.
Operating Manual for XFR 1.2kW Series Power Supply