Carrier 61AF Operating Instructions Manual page 20

6.4 - Alarm codes (continued)
Alarm No. Alarm Alarm description
code
Process faults (continued)
37 FC-nn
Illegal factory configuration
number
38 Sr-nn Maintenance alert
39 P-28 Customer safety lock
Order No. 16112-76, 01.2013. Supersedes order No.: 16112-76, 10.2010.
Manufacturer reserves the right to change any product specification without notice.
Reset type
Manual
Manual
Automatic
Probable cause
The unit size has been configured
with the wrong value
Maintenance has been carried out
on one of the critical components
The customer safety input has
been activated
Manufactured by: Carrier SCS, Montluel, France.
Action taken by the control
Unit is shut down
None
Unit is shut down
Printed in the European Union.