HVAC, Appliance, CNC, and VFD Error Code Repair Guides

Browse repair guides for HVAC, appliances, refrigeration, CNC alarms, VFD faults, generators, boilers, water heaters, and commercial equipment.

• Haas CNC Alarm 101 — Emergency Stop Active Fix

  14 Mar, 2024

  Diagnose Haas CNC Alarm 101 - Emergency Stop Active Fix: what triggers the alarm, checks to run, and repair decisions before clearing the machine.

• Hoshizaki E1 Water Inlet Fault

  13 Mar, 2024

  Hoshizaki E1 means the ice machine did not fill fast enough. Check water pressure, inlet valve strainers, float switch scale, and supply valves.

• Fanuc Alarm 414 — Servo Axis Following Error Fix

  12 Mar, 2024

  Diagnose Fanuc Alarm 414 - Servo Axis Following Error Fix: what triggers the alarm, checks to run, and repair decisions before clearing the machine.

• Trane Error Code 126 — Ignition Lockout Fix

  12 Mar, 2024

  Trane code 126 guide for furnace hard lockout, ignition retries, flame sensing, gas valve checks, pressure switches, and XR80/XR95 resets.