Overload Protection - Miller Electric Metro 250D Owner's Manual

7.7

Overload Protection

Y Stop engine. If checking
fuse, disconnect battery
negative (−) cable.
.
Press button to reset circuit
breaker. If fuse or breaker
continues to open, contact
Factory Authorized Service
Agent.
Weld And Auxiliary Power
Circuits
1 Fuse F2
F2 protects battery excitation
circuit. If F2 opens, weld and auxil-
iary output stops.
2 Fuse F3
F3 protects generator excitation
circuit. If F3 opens, weld and auxil-
iary power output is low.
Replace any open fuses. Reinstall
panel before operating unit.
Remote Control Circuit
3 Circuit Breaker CB5
CB5 protects 24 volt ac output to
Remote 14 receptacle RC1. If CB5
opens, RC1 24 volt output stops.
Engine Control Circuit
4 Circuit Breakers CB6, CB7,
CB8, And CB9
CB6 protects fuel solenoid circuit. If
CB6 opens, the engine does not
start.
CB7 protects throttle solenoid
circuit. If CB7 opens, the engine
does not run at weld/power speed.
CB8 protects Engine Control
switch and wiring harness. If CB8
opens, the engine does not crank.
CB9 protects optional glow plug
system. If CB9 opens, the glow plug
does not work.
OM-402
Ref. ST-159 215-E / Ref. ST-158 936-D / Ref. St-175 918-C
4
CB9
CB8
CB7
CB6
S-179 489
3
2
1
Tools Needed:
3/8 in
29