The Sokki DE002 DRO is a magnetic‑scale digital read‑out unit used for precise axis positioning on CNC machines. Common failures include a dead or flickering LCD panel due to a burnt‑out driver IC, loss of signal from the scale encoder because of worn contacts or damaged wiring harnesses, and power supply issues such as inadequate 12 V/24 V input causing intermittent resets. First‑check diagnostics: verify the unit’s main power supply voltage and current rating; inspect all cable connections to the magnetic scale for corrosion or breakage; review any error codes displayed on the panel (e.g., “E01” for encoder fault) before proceeding with board testing or component replacement.[oss-gpt-20b]