Table 3.3, User diagnostics – Xantrex Technology XPR 150-40 User Manual
Page 58

Operation
User Diagnostics
56
Operating Manual for XPR Series Power Supply
Table 3.3 User Diagnostics
Symptom
Check
Further Checks and Corrections
No output and the
display is blank.
Is input voltage within specified
range?
Connect to appropriate voltage source.
See
.
Power switch ON?
Turn on power.
Internal circuit?
See your service technician.
No output but the
display turns on.
OVP LED turned on?
.
Front panel INT LED turned on?
.
OTP LED turned on?
.
Current limit set to zero?
See
.
Voltage control set to zero?
See
.
LCL/RMT LED turned on?
If using remote analog control, check
your analog programming source
(
).
Is front panel AC LED turned on?
Connect unit to AC supply in specified
range. See
Internal circuit.
See your service technician.
Output not adjustable.
Is unit in current limit mode? (CC
LED turned on.)
Turn current knob clockwise to increase
current limit. Reduce load if current is at
maximum. See
Is unit in remote mode? (RMT LED
turned on.)
If using remote analog control, check
your analog programming source
(
).
Is unit at maximum voltage or current
limit?
Reduce load for lower voltage or current
requirement.
Output voltage
fluctuating or regulation
poor.
Is unit at current limit?
Increase current limit setting or reduce
load. See
.
Is input voltage within specified
range?
Connect to appropriate AC voltage
source.
See
.
Is unit under remote analog control? Ensure program source is stable.
Internal circuit.
See your service technician.
Output oscillating.
Internal circuit.
See your service technician.