Table 3.4 Quick Diagnostics - Xantrex XHR 7.5-130 Operating Manual

Table 3.4 Quick Diagnostics

Symptom Check
No output and the Is input voltage in the specified range?
display is blank.
Power switch ON?
Internal circuit.
No output but the SW1 switch settings correct? (For when
display turns on. using analog programming.)
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.
No output and Internal circuit.
display blinks
dimly.
Output not Is unit in current limit mode? (Red
adjustable. Current Mode LED turned on).
Is unit in remote mode? (Green REM
LED turned on).
Is unit at maximum voltage or current
limit?
Revision A
Further Checks and Corrections
Connect to appropriate voltage source.
Turn on power.
See your service technician.
"Remote Analog Programming of
See
Output Voltage and Current Limit" on
page 67
.
"Using Over Voltage Protection
See
(OVP)" on page 59
.
"Using the Shutdown Function" on
See
page 61
.
"Over Temperature Protection
See
(OTP)" on page 63
.
"Standard Operation" on page 51
See
"Standard Operation" on page 51
See
If using remote analog control, check your
analog programming source. (See
"Remote Analog Programming of
Output Voltage and Current Limit" on
page 67
.) If not, refer to your digital
interface manual.
Connect unit to AC supply in specified
range.
See your service technician.
See your service technician.
Turn current knob clockwise to increase
current limit. Reduce load if current is at
"Operating Modes and
maximum. See
Automatic Crossover" on page 51
If using remote analog control, check your
analog programming source. (See
"Remote Analog Programming of
Output Voltage and Current Limit" on
page 67
.) If not, refer to your digital
interface manual.
Reduce load for lower voltage or current
requirement.
Local Operation
User Diagnostics
.
.
.
65