167 © STULZ GmbH – all rights reserved EN/06.2019/G57
C7000 INSTRUCTIONS fOR a/C UNITS
8.5 Alarm texts in the case of hardware errors
These alarms are edited by the terminal program as following:
The following errors are edited:
HARDWARE ERROR Nr. 13 (Ext ID:Set IO-ports)
IIC bus reset!!!
Nr. 00 Erase sector 6 ash 2 error
Nr. 01 Write in sector 6 ash 2 error
Nr. 02 Erase sector 7 ash 2 error
Nr. 03 Write in sector 7 ash 2 error
Nr. 04 Read of digital input error
Nr. 05 Write of digital output error
Nr. 06 Read of analoge input error
Nr. 07 Write of analoge output error
Nr. 08 Digital extension card error
Nr. 09 Cannot select extension port
Nr. 10 Analoge extension card error
Nr. 11 Analoge extension card: cannot read input
Nr. 12 Analoge extension card: cannot set output
Nr. 13 Ext ID:Set IO-ports
The "Compressor exceeds max time allowed working out of its envelope limits" alarm and the "General inverter
alarm" are not reset by the µPC (depending on the inverter error code some of the "general inverter alarms are
reset by the µPC) and are treated by the C7000IOC in a special way.
These alarms are automatically reset by the C7000IOC, but maximally 5 times in 24 hours. However, if the
same alarm occurs 6 times within 24 hours, it must be manually reset.
The alarm "min. suction Press." is automatically reset by the C7000IOC, but maximally 4 times in 24 hours.
However, if the same alarm occurs 5 times within 24 hours, it must be manually reset.
The C7000IOC resets the alarm 210 seconds after the occurence of the alarm.
All µPC alarms are inhibited for 240 seconds after the occurence by the C7000IOC, i.e. the alarms are not
displayed by the "state" command or notified to the C7000AT. Only if they are still active after 240 seconds,
an alarm is released.
In the event log, however, the alarm is immediately listed.
An alarm reset caused by the C7000IOC appears as "Automatic alarmreset to µPC".
A manual alarm reset (e.g. via the C7000AT) is displayed as "Alarmreset to µPC".
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