MSA ICU Mode D'emploi page 13

9 Malfunctions
Malfunctions are indicated on the display with "888". Furthermore, a
permanent audible signal sounds.
The device must then be checked by MSA.
10 Maintenance and Test Intervals
Note:
To deactivate the motion alarm during maintenance the ICU key
(available as accessory, see Ordering Information) can be used. The
ICU must be switched off. Then the key is fitted above the display with
the fastening ring to the front. A recurring alarm sound indicates that the
key is fitted to the ICU and that the motion alarm is deactivated.
Type of work to be
performed
Battery Change
(see 4)
Condensed Check
by user (see 6.1)
Cleaning (see 8)
Basic
Overhaul by manufacturer
The device may not be repaired by the user. In case of a defect, it must
be replaced.
Repairs may only be performed by the manufacturer or authorized
service centers.
11 Key Version ICU-S
The key version ICU-S is identical to the ICU in functioning, as described
above. Only switching the unit on and off differs.
11.1 Putting the ICU-S into Operation
Opening the filled compressed air cylinder(s) will put the ICU-S into
stand-by mode (mechanical pressure display is active).
Prior to Release
for Use
X
Prior to Use After Use Every 6 Years
X
X
X
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