Industrial Oven Burner Troubleshooting
Troubleshooting ignition, pilot, main flame, flame signal, burner sequence, actuators, gas pressure, air proving, and flame-safeguard problems on industrial ovens and process equipment.
GREAT NORTHERN MECHANICAL • TECHNICAL FIELD SERVICE
Great Northern Mechanical provides field troubleshooting and controls support for industrial ovens, process heaters, dryers, air make-up equipment, furnaces, and other burner-fired process systems. Service focuses on burner sequence, flame safeguard, temperature control, gas trains, interlocks, combustion, and controls modernization.
INDUSTRIAL OVENS & PROCESS HEAT
An industrial oven that will not reach setpoint, trips a high limit, loses flame, or runs with unstable combustion may involve the burner, gas train, actuator, airflow, thermocouple, temperature controller, interlock logic, or process condition. GNM is positioned to troubleshoot across those boundaries.
FIELD SERVICE CAPABILITIES
This page focuses on industrial burner-fired process equipment. Work includes flame-safeguard troubleshooting, temperature controls, process signals, gas trains, combustion tuning, safeties, and modernization. Residential heating and HVAC service is offered separately in selected Southern Michigan communities.
Troubleshooting ignition, pilot, main flame, flame signal, burner sequence, actuators, gas pressure, air proving, and flame-safeguard problems on industrial ovens and process equipment.
Support for UDC temperature controllers, thermocouples, high limits, transmitters, 4–20 mA signals, setpoint/control issues, and related process instrumentation.
O₂, CO, draft, stack or process temperature, gas pressure, and firing-rate evaluation to improve flame stability and verify combustion performance.
Troubleshooting regulators, valves, low/high gas switches, proof-of-closure, air switches, high limits, permissives, interlocks, and burner safety circuits.
Modernization of flame safeguard, burner-management hardware, actuators, HMIs, operator interfaces, control panels, and obsolete process-heat controls.
Field troubleshooting for dryers, process heaters, air make-up units, furnaces, and other burner-fired equipment where burner operation and process controls interact.
TROUBLESHOOTING FOCUS
GNM works through the burner sequence and process-control loop together: temperature input, setpoint, output signal, actuator position, gas pressure, airflow, flame signal, safeties, and combustion condition. That system-level approach is especially useful when the equipment runs but does not run correctly.
CONTROLS & PLATFORMS
Process heat often combines flame-safeguard controls with temperature and process controls. GNM supports the interaction between those systems, including UDC controllers, burner management, actuators, sensors, transmitters, interlocks, and panel wiring.

REGIONAL SERVICE AREAS
Great Northern Mechanical is based in Kendallville, Indiana and provides mobile field service. The pages below describe current target service markets and do not represent separate office locations.
CONTACT GREAT NORTHERN MECHANICAL
Call or email with the equipment type, burner model, temperature controller or burner-management platform, active fault, process setpoint, actual temperature, and any available combustion or signal readings.