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11 Troubleshooting
Error
Possible cause
The product leaks
Operating pressure
downstream
too high
(doesn't close or
doesn't close fully)
Tube leaking or
damaged
The product
Actuator defective Replace valve
doesn't open or
Control pressure
doesn't open fully
too low (for control
function NC)
Foreign matter in
the product
The actuator
design is not
suitable for the
operating
conditions
The product
The actuator
doesn't close or
design is not
doesn't close fully
suitable for the
operating
conditions
Foreign matter in
the product
Control pressure
too low (for control
function NO)
12 Removal
1. Remove in reverse order to installation.
2. Deactivate the control medium.
3. Disconnect the control medium line(s).
4. Disassemble the product. Observe warning notes and
safety information.
13 Disposal
1. Pay attention to adhered residual material and gas diffu-
sion from penetrated media.
2. Dispose of all parts in accordance with the disposal regu-
lations/environmental protection laws.
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14 Returns
Legal regulations for the protection of the environment and
Troubleshooting
personnel require that the completed and signed return deliv-
Operate the
ery note is included with the dispatch documents. Returned
product at
goods can be processed only when this note is completed. If
operating pressure
no return delivery note is included with the product, GEMÜ
specified in the
cannot process credits or repair work but will dispose of the
tube
goods at the operator's expense.
manufacturer's
1. Clean the product.
datasheet
2. Request a return delivery note from GEMÜ.
Check tube for
3. Complete the return delivery note.
potential damage,
replace tube if
4. Send the product with a completed return delivery note to
necessary
Operate the
product at the
specified control
pressure (see
chapter "Technical
data")
Remove and clean
the product
Use an actuator
that is designed for
the operating
conditions
Use an actuator
that is designed for
the operating
conditions
Remove and clean
the product
Operate the
product at the
specified control
pressure (see
chapter "Technical
data")
15 / 17
GEMÜ.
14 Returns
GEMÜ Q30
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