Applicable Systems
Millermatic
Multimatic
Dimension
XMT
Trailblazer
Syncrowave
Goldstar
Symptoms
Thermal overload protector trips frequently during normal operation.
Possible Causes
- Thermal overload protector trips frequently during normal operation.
Troubleshooting Steps
- Step 1: Check input power supply and verify correct voltage
Input power matches machine rating plate - Step 2: Inspect welding cables, work clamp, and gun connections
All connections are clean, tight, and correct - Step 3: Check wire feed system: drive rolls, guide tubes, liner
Wire feed system is clean and properly aligned - Step 4: Check shielding gas supply and flow rate
Gas flow is adequate and correct type - Step 5: If error persists, contact Miller Electric service at 1-920-735-4505
Professional service arranged
How to Reset
Power cycle the machine. If the error persists, note the error code and contact Miller Electric service.
Source: Miller Electric operator manuals and troubleshooting guides
Category: Welding