How do I identify the correct STEP elevator control board replacement?
জিজ্ঞাসার সময়:
2026-07-28
উত্তর
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.
উত্তর দেওয়ার সময়:
2026-07-29