Bitzer CM-RC-01, Reference Manual

Page: 14 / 44

v. 3.0 Reference guide
Compressor Control Module CM-RC-01
3.0
14 / 44
4.3.1 Alarms
Information logged:

Timestamp

Alarm code and text

Severity, can be Fault, Critical or Warning

Set or Clear
Critical and warnings have Set and Clear entries. E.g.
23-11-2015 03:58 4301: Motor Temperature High - Warning - Set
…
23-11-2015 04:02 4301: Motor Temperature High - Warning - Clear
For faults only Set entries are found. E.g.:
07-11-2015 11:01 3431: High Pressure Switch - Fault - Set
When all faults are successfully reset and the CM-RC-01 is no longer in fault state, there is an
entry like this:
02-12-2015 10:45 0: No Fault - Fault - Clear
Lifetime of alarm entries: 365 days.
4.3.2 Events
Possible events:

Power Up

Power Down

Extern alarm reset

Compressor Start

Compressor Stop

Service tool connect
Lifetime of events: 30 days
4.3.3 Datalog information
If bad sections are found in the datalog storage during download, an event is entered, telling that
this has happened. If possible, information is added about the number of log entries that was lost.
4.3.4 Periodic data
Data are stored on a regularly basis.
10 seconds interval when the compressor is running, 60 seconds when stopped.
3 seconds interval for fault traces.
Lifetime of events: 1
– 3 weeks
4.3.5 Statistics and counters
Every midnight at 0:00 and at every Power Down a number of entries with counters or statistics
are logged.
Every one of these entries has a timestamp and some specific data as described below.