⚠️ Do not power cycle during upgrade – risk of bricking.
After BOS boots:
Problem: MCM does not boot (no PWR LED)
Problem: SYS LED flashing red (I/O module fault)
Problem: BACnet devices not discovered
Problem: Analog input reads saturated (0 or 4095)
Problem: Cannot access Web UI
| Model | Type | Channels | Signal Range | |-------|------|----------|---------------| | AI8-U | Analog Input | 8 | 0-10V, ±10V | | AI8-C | Analog Input | 8 | 4-20mA | | DI16 | Digital Input | 16 | Dry contact, 24V DC | | DO8-R | Relay Output | 8 | 2A @ 30V DC / 250V AC |