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9.3 Pneumatic control device
Fault description
The value indicated
on the contact
pressure gauge is too
low or too high
The value indicated
on the contact
pressure gauge is
faulty
The value indicated
on the contact
pressure gauge is too
low
Loss indication
shown on the
EST/FACP
The line fault "loss
indication" is shown
Inst. and Maint. Manual | Oxeo PR LCP | F_101921 Rev 02 | 10-2022 | en
Cause
The room temperature is
too high or too low
The pressure gauge is
defective
(See above)
Extinguishing agent loss is
less than 10%
(See above)
Extinguishing agent loss is
greater than 10%
(see above)
The line connection is
faulty (short circuit or wire
break)
Remedy
Compare with the value
indicated with other
pressure gauges
Cool or heat the installation
area
Compare the value
indicated with other
pressure gauges
Replace the pressure gauge
Compare the indicated value
with the temperature-
pressure table
Replace the extinguishing
agent container(s)
Compare the indicated value
with the temperature-
pressure table
Replace the extinguishing
agent container(s)
Detect the faulty connection
Perform repairs
Personnel
Person in charge
of system
Person in charge
of system
Authorized
Distributor
Person in charge
of system
Authorized
Distributor
Person in charge
of system
Authorized
Distributor
Qualified
electrician
167
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