Operating Instructions MT-xx6-A
Maintenance, service
Page 38 of 60
R. STAHL HMI Systems GmbH / OI_MT_xx6_A_en_V_03_00_26.docx / 03.11.2020
14 Maintenance, service
Associated equipment is subject to maintenance, service and testing
according to guidelines 1999/92/EC, IEC/EN 60079-14, -17, -19 and
BetrSichVer (Betriebssicherheitsverordnung - Occupational Safety
and Health) !
Because the transmission of the devices remains reliable and stable over long periods of time,
regular adjustments are not required.
The following principles apply to repairs *, spare parts purchase* or exchange of parts * (where
this can be done by the user !):
Only original parts provided by the manufacturer must be used.
Fuses may only be replaced by equivalent fuse types.
The MT-xx6-A-* series HMI devices are maintenance-free across their entire lifespan.
System maintenance should focus on the following:
a. Seal wear
b. Display damage
c. All screws are tightened fast
d. All cables and lines are properly connected and undamaged
If the device in its factory state is damaged or altered in any way,
decommission it immediately and contact the manufacturer !
14.1 Damaged sealing
If the surrounding seal of the device is damaged, the manufacturer
will tick the “No hazloc approved panel mount“ option on the device.
The device is only approved for installation inside an Ex e or Ex tb
enclosure if no "No hazloc approved panel mount" option is indicated
on the device. If the "No hazloc approved panel mount" option is
indicated on the device, certification according to NEC / CEC is no
longer possible or becomes void !
14.2 Servicing
In accordance with IEC/EN 60079-19 and IEC/EN 60079-17, operators of electric plants in
hazardous areas are obliged to have them serviced by qualified electricians.
14.3 Saving data with MT-3x6-A-*
All online data is stored on the internal flash card and are therefore also available after the
device has been switched off for a long time.
According to the current state-of-the-art the flash cards retain stored data for about 10 years.
NOTICE
DOCUMENTATION
NOTICE
CAUTION
