Notice NOT 083
NXS 150
Rev : 00
Date : 13/10/05
MAINTENANCE
15.
MAIN PCB REF L93211
Connector J1, J5 : 110V / 230V AC main supply, protected against over voltage on main supply
Connector J2 :
Protective earth connection
Connector J3 :
Connection for 12V dc fan (pin 1 +; pin 2 -)
Connector J4 :
pin 1 & 2 : thermostat on diode
Connector J6 :
front panel flat cable connection
pin 1 : maximum of front panel potentiometer
pin 2 : cursor of front panel potentiometer
pin 3 : electronic ground – minimum of front panel potentiometer
Connector J7 :
Flat cable connection on front panel potentiometer corresponding to pin 1,2 and 3 of J6
connector.
16.
TROUBLE SHOOTING
POSSIBLE CAUSES
CHECKING / REMEDY
GREEN AND ORANGE INDICATORS OFF
= NO SUPPLY
ON/OFF main switch is OFF
Put the switch ON
Power supply cable is cut
Check cable and connections
No main supply
Check circuit breaker and fuses
Defective ON/OFF main switch
Replace the switch
GREEN AND ORANGE INDICATORS ON
= WARMING UP
Duty cycle over rated (particulary if ambient
t° is > 25°C)
Let the machine cool, it will automatically start again
Insufficient cooling air
Clean the air inlets
Very dusty machine
Open the machine and blow it through
Fan doesn’t start
Replace the fan
IMPROPER WELDING
Wrong electrode polarity
Use the right polarity according to the indications of electrode’s
manufacturer
USER’S MANUAL
Page
18/20
Summary of Contents for NXS 150
Page 1: ...NXS 150 Dual Voltage OPERATING MANUAL ...
Page 19: ...17 WIRING DIAGRAM ...
