Miller Millermatic 252 Owner's Manual page 41

.
All directions are in reference to the
front of the unit. All circuitry referred to
is located inside the unit.
S HLP 1
Turn off primary input power and check input
voltage per primary voltage rating of welder,
and correct if necessary. If HELP 1 persists,
this Indicates a communication error
between control board PC1 and user
interface board PC2. Contact a Service
Distributor or Factory Service Department.
S HLP 2
Indicates overheating of unit. Unit will
shutdown until internal temperature drops
within operational range.
S HLP 3
Indicates no open circuit voltage detected
when gun trigger is pulled and no arc
detected after 3 seconds. Turn off primary
input power and contact
Distributor or Factory Service Department.
.
A complete Parts List is available at www.MillerWelds.com
HLP 4
S
Indicates gun trigger was pulled and held for
2 minutes without a welding arc established
or there is a direct short between contact tip
or wire and the workpiece. Release gun
trigger and clear fault condition.
S HLP 5
Indicates a malfunction in wire feed system
and/or drive motor overcurrent condition.
Check for proper spool brake adjustment or
obstructions in wire feed system. Clean or
replace liner, wire guides, or contact tip.
S HLP 6
Indicates a malfunction in wire feed system
and/or external drive motor overcurrent con-
dition (spool gun or push-pull gun). Check for
proper spool
obstructions in wire feed system. Clean or
replace liner, wire guides, or contact tip.
S HLP 7
Indicates spool gun trigger was pulled and
a Service held for 2 minutes without a welding arc
established.
S
Indicates XR Edge gun trigger was pulled
and held for 2 minutes without a welding arc
established.
S
Indicates XR-A gun trigger was pulled and
held for 2 minutes without a welding arc
established.
S
Indicates Python gun trigger was pulled and
held for 2 minutes without a welding arc
established.
S
Indicates a communication error between
brake adjustment or
control board PC1 and user interface board
PC2. Contact Factory Service Department.
S
Indicates Aluma-Pro gun trigger was pulled
and held for 2 minutes without a welding arc
established.
HLP 8
HLP 9
HLP 10
HLP 11
HLP 12
OM-230 693 Page 37
SC-187 212-A