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.
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Carrier 32 Error Code - Pressure Switch Stuck Closed
Carrier 32 means the pressure switch reads closed before inducer startup. Check tubing water, switch contacts, wiring shorts, and the correct setpoint.
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Carrier Heat Pump E1 Error Code — Causes & Fix
Carrier heat-pump E1 guide for indoor/outdoor communication faults, low-voltage wiring, polarity, surge damage, boards, and resets.
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Danfoss VFD Fault OL — Causes & Fix
Troubleshoot Danfoss VFD fault OL on VFD drives with checks for input power, motor wiring, load, cooling, parameters, and likely replacement parts.
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Follett Ice Machine E2 - Water Inlet Fault
Follett E2 means the reservoir did not fill in time. Check supply pressure, inlet screens, valve flow, water line restrictions, and level sensing.