41
8012707/ZVF9/V2-1/2019-04 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM32
Subject to change without notice
OPERATION
5
5
Operation
5.1
Recognizing an unsafe operating state
CAUTION: Hazard through unsafe operational state
If the device is or could be in an unsafe state:
▸
Take the device out of operation, disconnect from the power voltage and signal
voltage and secure against unallowed or accidental start-up.
Possible causes
Action
Smoke
escapes from the
enclosure
▸
Immediately put the device out of operation.
▸
Have the device repaired.
Gas
escapes from the
enclosure
▸
Immediately check whether the gas is noxious or
combustible.
▸
If this is the case:
Immediately follow the local
Operating Instructions which control behavior during
uncontrolled escape of gas.
Examples of behavior:
▸
Trigger an alarm. Start emergency measures.
▸
Immediately evacuate all persons from the affected
operational area.
▸
Use breathing protection.
▸
Stop the affected gas supply.
▸
Put the gas analyzer out of operation.
Moisture
penetrates the device
▸
Immediately put the device out of operation.
▸
Locate and stop the liquid source.
▸
Have the device repaired.
Humidity
or moisture
condensation on
electrical connections
▸
Immediately put the device out of operation.
▸
Have the device repaired.
Electric lines are damaged or broken
▸
Immediately put the device out of operation.
▸
Have the device repaired.
Surface
is damaged or deformed
▸
Put the device out of operation.
▸
Have the device repaired.
▸
If caused by heat from inside the device
: Immediately
put the device out of operation.
▸
If caused by acute external influence:
Locate the heat
source and protect the device provisionally against
heat.
▸
Otherwise:
Have the device checked immediately by
a skilled person.
Unusual
noises
can be heard inside the
device
▸
Check malfunction displays and malfunction messages
of the device.
▸
Have the device checked by a skilled person.
Malfunc-
tions
remain inexplicable
despite having been
cleared
Inform SICK’s service department.
Table 9: Diagnosis table: Unsafe operating state