GEM 533 eSyStep Operating Instructions Manual page 58

15 Troubleshooting
15.2 Troubleshooting
Error
The product is leaking downstream (does
not close or does not close fully)
The product is leaky in the passage (does
not close or does not close completely).
The product does not open or does not
open fully
The product does not close or does not
close fully
The product does not close or does not
close completely
The product is leaking between actuator
and valve body
The product is leaking between actuator
flange and valve body
Valve body of the GEMÜ product is leak-
ing
Body of the GEMÜ product is leaking
Valve body connection to piping leaking
GEMÜ 533 eSyStep
Positioner (Code S0)
Possible cause
Operating pressure too high
Valve body leaking or damaged
Actuator defective
Operating pressure too high
Foreign matter in the product
The actuator design is not suitable for the
operating conditions
Voltage is not connected
Cable ends incorrectly wired
The actuator design is not suitable for the
operating conditions
Foreign matter in the product
Voltage is not connected
Valve does not close completely
Bolting between valve body and actuator
loose
Actuator/valve body damaged
Mounting parts loose
Valve body / actuator damaged
Valve body of the GEMÜ product is faulty
or corroded
Incorrect installation
Incorrect installation
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Troubleshooting
Operate the product with operating pres-
sure specified in datasheet
Carry out initialisation, check valve body
for damage, replace valve body if neces-
sary.
Replace the actuator
Operate the product with operating pres-
sure specified in datasheet
Remove and clean the product
Use an actuator that is designed for the
operating conditions
Connect voltage
Wire cable ends correctly
Use an actuator that is designed for the
operating conditions
Remove and clean the product
Connect voltage
Perform initialisation
Tighten bolting between valve body and
actuator
Replace actuator/valve body
Retighten mounting parts
Replace valve body/actuator
Check valve body of the GEMÜ product
for potential damage, replace valve body
if necessary
Check installation of valve body in piping
Check installation of valve body in piping
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