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.

• Follett Ice Machine Error Code E3 — Causes & Fix

  22 Apr, 2026

  Troubleshoot Follett Ice Machine E3 on refrigeration equipment with checks for sensors, airflow, condenser condition, controls, and parts to price first.

• Gibson Furnace E1 Error Code — Causes & Fix

  22 Apr, 2026

  Diagnose Gibson Furnace E1 Error Code - Causes & Fix: likely causes to check, measurements to verify, and repair decisions before parts replacement.

• Haas Alarm 118 — Spindle Orientation Fault Causes & Fix

  22 Apr, 2026

  Diagnose Haas Alarm 118 - Spindle Orientation Fault Causes & Fix: what triggers the alarm, checks to run, and repair decisions before clearing the machine.

• Haas Alarm 119 — Spindle Not At Speed Causes & Fix

  22 Apr, 2026

  Diagnose Haas Alarm 119 - Spindle Not At Speed Causes & Fix: what triggers the alarm, checks to run, and repair decisions before clearing the machine.