Miller Electric 350 Welding System User Manual


 
OM-4401 Page 33
Y Stop engine.
. When a circuit breaker opens,
it usually indicates a more seri-
ous problem exists. Contact
Factory Authorized Service
Agent.
1 Circuit Breaker CB5
CB5 protects the 24 volt ac output
to Remote 14 receptacle RC1. If
CB5 opens, 24 volt ac output to
RC1 stops.
2 Circuit Breaker CB6
CB6 protects the 115 volt ac output
to Remote 14 receptacle RC1. If
CB6 opens, 115 volt ac output to
RC1 stops.
Press button to reset breaker.
3 Circuit Breaker CB7
4 Circuit Breaker CB8
5 Circuit Breaker CB9
6 Circuit Breaker CB10
CB7 protects the engine glow plug
from overload. If CB7 opens, the
glow plug does not work and engine
may not start in cold weather.
Check continuity and connections
of engine glow plug.
CB8 protects the engine wiring sys-
tem from overload. If CB8 opens,
the engine will not crank. Check
battery, starter, and engine control
switch.
CB9 protects the engine throttle cir-
cuit from overload. If CB9 opens,
the engine will not run at idle speed.
Check throttle solenoid TS1 for ob-
structions.
CB10 protects the engine fuel sole-
noid from overload. If CB10 opens,
the engine cranks but does not
start. Check fuel solenoid FS1 for
obstructions.
7 Fuse F1 (See Parts List)
8 Fuse F2 (See Parts List)
Remove side panel.
F1 protects the exciter excitation
winding from overload. If F1 opens,
generator power output stops or is
low. Weld output is still available.
F2 protects the stator winding from
overload. If F2 opens, weld output
stops. Generator power is still avail-
able.
Replace any open fuses. Reinstall
cover before operating unit.
3/8 in
802 580-A / 802 581
Tools Needed:
7-9. Overload Protection
1
6
5
4
3
2
7
8