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Lennox CLIMATIC 50

Lennox CLIMATIC 50
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32
CLIMATIC 50, user manual – Chillers ranges CL50-CHILLERS/IOM
/
0906-E
32
FAULT CODES
COMMUNICATION WITH THE SLAVE BOARD
Fault Code: 076
Description
The communication between the BM50 Master and the BM50 Slave is down.
Action
Alarm signal is ON
The unit carries on running
Reset
The fault signal disappears automatically as soon as the communication is back on line.
Possible causes Solving the problem
Damaged one of the BM50 Replace the defective component
Bios mal function Update Bios up V3A.57 or 3.64 and above
Wrong wiring or loose connection between the
two BM50
Check connections and wiring.

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