Technical data

© MHS Boilers Ltd
221106 Draft Copy E&OE
36
Internal Wiring
Module Operation Indication
Communication Operation Indications
The RED LED on the OCI420 communication clip mounted on the front of each LMU64 module
controller flashes to indicate the detected operational status of the module dictated by the LPB
communication from the Streamline FS Masters RVA47 Cascade Manager.
LED FLASH STATUS INTERPRETATION OPTIONS
LED ON Constantly OCI420 not configured to operate with LMU64
LED OFF Constantly OCI420 Configured. LPB Short Circuit / No Power.
LED ON 93% OFF 7% OCI420 and LUM64 Not Compatible / LPB Address inadmissible.
LED ON 5% OFF 95% Boiler being controlled via LPB and required to be not operating.
LED ON 5% OFF 20% ON 5% OFF 70% Boiler being controlled via LPB and required to be operating.