Faults; Alarm; Error - Lauda LRZ 926 Operation Manual

9

Faults

9.1

Alarm

Table 27: RS 232/485 alarm messages
Code Meaning
Triggers when the command with ID 15 (actual value external temperature) has not been received
11
for several seconds while the system is regulating to the "external serial" control variable.
Disconnection detected.
22
There was no communication for a period longer than the preset timeout.
9.2

Error

Table 28: RS 232/485 error messages
Code * Meaning
501 – 504, 507, 508 Interface module hardware faulty. Contact the LAUDA department.
505 Internal 24 V voltage of the interface module is too low.
506 Internal 24 V voltage of the interface module is too high.
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If a fault occurs, the interface distinguishes between different message types,
e.g. alarms, errors and warnings. The procedure for rectifying a fault depends
on the device. Follow the corresponding instructions in the operating manual
accompanying the constant temperature equipment.
If you are unable to rectify a fault, please contact LAUDA Service,
see Ä Chapter 1.6 "Contact LAUDA" on page 7.
The RS 232/485 interface recognizes the following alarm messages.
The RS 232/485 interface recognizes the following error messages.
Interface module LRZ 926 V1