Brainchild PR Series - Page 66

Page 66 of 113
Error Code Display Symbol Error Description Corrective Action
22 Er 22
Timing error: check-sum
error received during
multi-chip
communication
procedure
1. Correct the multi-chip
communication software
to meet the protocol
requirement.
2. Return to factory for
repair.
23 Er 23
Timing error: wrong
function code received
during multi-chip
communication
procedure
1. Correct the multi-chip
communication software
to meet the protocol
requirement.
2.Return to factory for
Repair.
26 AtEr
Fail to perform
auto-tuning function
1.The PID values
obtained after auto-
tuning procedure are out
of range.Retry auto-
tuning.
2.Don't change set point
value during auto-tuning
procedure.
3 .Don’t change Event
input state during auto-
tuning procedure.
4.Use manual tuning
instead of auto-tuning.
27 CAER
Incorrect calibration
procedure or tolerance
of analog component too
big to meet specified
accuracy
1.Pay more attention to
the calibration
procedures.
2.Return to factory for
repair.