Azbil ACTIVAL FC200, Specifications & Instructions, Page: 18 / 20

AB-6675
18

Maintenance

WARNING

Before doing maintenance, be sure to turn off the power to this product.
Failure to do so may result in electric shock or device failure.

After maintenance, be sure to reattach the cover.
Failure to do so may result in electric shock.

CAUTION

Do not put a load or weight on this product.
Doing so may damage the product.

Do not carelessly touch this product when it is used to control hot water.
Doing so may result in burns, because the product reaches a high temperature.

Inspect the ACTIVAL according to Table 3.

Manually open/close the ACTIVAL at least once a month if it is left in inactive state for a long period.

Visually inspect the fluid leakage of the valve and the actuator operations every six months. If any of the problems
described in Table 4 are found, take corresponding actions shown in the table.
If your problem is not solved by the corresponding action, please contact Azbil Corporation near you.
Table 3. Inspection items and details
Inspection item Inspection interval Inspection detail
Visual inspection Semiannual

Fluid leakage from the gland and the flange face

Loosened bolts

Valve and actuator damages
Operating status Semiannual

Unstable open/close operation

Abnormal noise and vibration
Routine inspection Any time

Fluid leakage to the outside

Abnormal noise and vibration

Unstable open/close operation

Valve hunting
Table 4. Troubleshooting
Problem Part to check Action
Fluid leaks from the flange face. Loosened flange bolts
Gasket on the flange face
Misaligned piping Tighten the flange bolts.
Replace the gasket.
Redo piping.
Fluid leaks from the gland part.

Consult with our sales personnel.
Fluid leaks from the bonnet. Loosened bolts Tighten the bolts.
Valve does not operate smoothly /
valve stops halfway /
valve does not operate at all. Conditions of the power applied and of the input
signal applied
Loosened terminals
Wiring condition / disconnected wires Check the power supply and the controller
connected to.
Tighten the terminals.
Check the wiring.
Fluid leaks to the outside of the valve
when the ACTIVAL is in fully closed
position. Actuator pointer not pointing to fully closed
position Fully close the ACTIVAL.
The valve vibrates or produces an
abnormal noise. Primary pressure condition
Differential pressure condition Adjust the mounting position and change the
installation location.
Valve hunting occurs. Secondary pressure condition
Differential pressure condition
Control stability Adjust the mounting position and change the
installation location.
Correct the control parameter setting of
controller.
SAnet communication error occurs.

Consult with our sales/service personnel.

Disposal
Dispose of this product as industrial waste in accordance with your local regulations.
Do not reuse all or any part of the product.