Samson 3730 Series Mounting And Operating Instructions page 202

Error codes –
Recommended action
64 i/p converter (y)
Status
classification
Recommended
action
16-14
Condensed state message active, when prompted, Err appears.
When fault alarms exist, they are displayed here.
Current circuit of i/p converter interrupted.
Maintenance alarm (cannot be classified)
Cannot be remedied. Return device to SAMSON for repair.
EB 8384-3 EN