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.

• Manitowoc Ice Machine Error Codes

  Updated: 16 Sep, 2026

  Manitowoc Indigo, NEO, and S-Series faults cover long freeze, long harvest, high temperature, curtain switch, board, and ambient-air problems.

• Omron CP1H PLC Error Codes

  Updated: 16 Sep, 2026

  Omron CP1H PLC guide for ERR/ALM LEDs, fatal and non-fatal faults, CPU errors, backup-battery warnings, and CX-Programmer logs.

• iRobot Roomba Error Codes 1, 5, 6, 9, and 14

  Updated: 16 Sep, 2026

  Roomba guide for wheel jams, charging contacts, cliff sensors, bumper faults, bin-detection errors, battery issues, and filter maintenance.

• Schneider Modicon M340 PLC Error Codes

  Updated: 16 Sep, 2026

  Schneider M340 PLC guide for RUN, ERR, I/O, TER, CANopen, BAT, CPU, communication, and power-supply fault diagnostics.