How do I identify the correct STEP elevator control board replacement?
Thời gian hỏi:
2026-07-28
Câu trả lời
Record the complete board code, hardware revision, software label and installed controller model. Include its function and connector photos. STEP boards used for car calls, car-top control or group control should be identified separately, even when they share a similar appearance.
Thời gian trả lời:
2026-07-29