6 Maintenance F30 01
Page 42 of 52 HI 800 145 E Rev. 2.00
6 Maintenance
No maintenance measures are required during normal operation.
If a failure occurs, the defective module or device must be replaced with a module or device of
the same type or with a replacement model approved by HIMA.
Only the manufacturer is authorized to repair the device/module.
6.1 Faults
Refer to Chapter 3.1.1.1, for more information on the fault reaction of digital inputs.
Refer to Chapter 3.1.2.1, for more information on the fault reaction
of digital outputs.
If the test harnesses detect safety-critical faults, the module enters the STOP_INVALID state
and will remain in this state. This means that the input signals are no longer processed by the
device and the outputs switch to the de-energized, safe state. The evaluation of diagnostics
provides information on the fault cause.
6.2 Maintenance Measures
The following measures are required for the device:
Loading the operating system, if a new version is required
Executing the proof test
6.2.1 Loading the Operating System
HIMA is continuously improving the operating system of the devices.
HIMA recommends to use system downtimes to load a current version of the operating system
into the devices.
Refer to the release list to check the consequences of the new operation system version on the
system!
The operating system is loaded using the programming tool.
Prior to loading the operating system, the device must be in STOP (displayed in the
programming tool). Otherwise, stop the device.
For more information, refer to the programming tool documentation.
6.2.2 Proof Test
HIMatrix devices and modules must be subjected to a proof test in intervals of 10 years. For
more information, refer to the safety manual (HI 800 023 E).
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