Paktronics 02-94 electronic temperature controller

The Paktronics 02‑94 is an industrial electronic temperature controller used in process equipment to regulate heating or cooling loops via RTD or thermocouple inputs. Common failure points for this class include power supply degradation (brownouts or overvoltage), input sensor wiring faults, and firmware corruption that can cause the unit to lock up or display error codes. First‑check steps: verify 24 VDC/AC power to the board, inspect all input/output connectors for corrosion or loose contacts, and read any diagnostic LEDs or serial log messages for fault indications.[oss-gpt-20b]

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