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8024252/AE00/V1-0/2020-07| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-D
Subject to change without notice
MAINTENANCE
8
8.5
Tools required
8.6
Maintenance work
8.6.1
Replace fuses
▸
Open the enclosure.
▸
Replace the corresponding fuses,
see “Control unit main fuses”, page 58
▸
Close the enclosure.
Fuses F1 and F2 are directly accessible on the front panel of the control unit.
All fuses listed in the Table are available as a spare parts set under the SICK Part No.
2089370 E-SET FUSES.
x
x
Check the calibration date of the heating monitoring
x
Visual check of cables and hoses for external damage
x
Exchange the reference and test air filter (optional)
[1] M = month(s), Y = year(s)
Deviating from these recommendations, the operator must define a suitable
maintenance interval for his process and measuring location that is appropriate to the
safety relevance of the measurement and the conditions of the process.
Maintenance interval
[1]
Maintenance work
1M
6M
1Y
Tools
3 mm Allen key
4 mm Allen key
Phillips screwdrivers in different sizes
Fuse
Rated current
SICK Part No. Type
Task
1 F3
0.5 A
2116785
Slow 5x20 mm glass
tube fuse
To protect the
electronics
2 F4
0.5 A
Slow 5x20 mm glass
tube fuse
To protect the
electronics
3 F5
1 A
Medium slow 5x20 mm
glass tube fuse
To protect the 115 V AC
solenoid valves as well
as the test and refer-
ence air pump
5 F1
2.0 A (230 V AC)
4.0 A (115 V AC)
Slow 5x20 mm ceramic
tube fuse
To protect the entire
system
6 F2
4 A
Medium slow 5x20 mm
ceramic tube fuse
To protect the probe
heating