How to increase pilot pressure in Parker D 1FC?
- JJoseph TrujilloAug 19, 2025
Increase the pilot pressure to a minimum of 20 bar.

How to increase pilot pressure in Parker D 1FC?
Increase the pilot pressure to a minimum of 20 bar.
What to do if Parker D 1FC hydraulic pump is defective?
If the hydraulic pump or motor is defective, replace it.
What should I do if my Parker D 1FC Control Unit drive is overloaded?
If the drive is overloaded, reduce the pressure or speed, or increase the valve size.
What to do if the filter of Parker D 1FC Control Unit is contaminated?
If the filter is contaminated, clean or replace it.
What to do if my Parker D 1FC Control Unit valve is contaminated?
If the valve is contaminated, clean the pressure fluid and filter or flush the valve.
What to do if the oil level is too low within the Parker D 1FC Control Unit tank?
If the oil level is too low within the tank, refill the pressure fluid.
What to do if the feed cable of Parker D 1FC is interrupted?
If the feed cable is interrupted, fix it.
What to do if command signal is too low in Parker D 1FC Control Unit?
If the command signal is too low, increase it.
What to do if the center position adjustment is incorrect in Parker Control Unit?
If the center position adjustment is incorrect, check it.
What to do if the command signal carries too much ripple in Parker D 1FC?
If the command signal carries too much ripple, reduce the ripple.
| Brand | Parker |
|---|---|
| Model | D 1FC Series |
| Category | Control Unit |
| Language | English |
Defines the user's accountability for product selection, installation, and safe operation.
Visual representation and structure of the D*FC product code for identification.
Visual representation and structure of the D*1FC product code for identification.
Details of the nameplate and key features of the integrated valve driver.
Electrical diagrams for various D*FC and D*1FC model codes.
Comprehensive data on valve design, hydraulic properties, and electrical characteristics.
Illustrates the signal flow for valve control and operation.
Details on delivery, intended use, technical changes, warranty, CE mark, and regulations.
Guidelines for safe operation and required user qualifications.
Instructions on product use, operational limits, and preventing contamination.
Information on potential hazards like leaks, temperature, power failure, and hydraulic issues.
Procedures for safe transport, storage, and system installation.
Details on valve mounting, pressure fluid compatibility, and electrical connection.
Requirements for connectors and connecting cables for electrical interface.
Specifications for supply voltage and associated wiring diagrams.
How the enable signal controls the actuator and its wiring schematics.
Guidelines for connecting the command signal and ensuring signal quality.
Wiring diagrams for voltage and current command signal inputs.
Information on the diagnostic signal and its connection diagrams.
Overview of ProPxD software, required cables, and PC hardware.
Steps for installation, operating modes, and handling parameters.
Explanations of advanced parameters for fine-tuning valve operation.
Guidelines for safe operation, maintenance, and hydraulic system tasks.
Procedures for proper disposal and environmental protection.
Steps for diagnosing issues and list of relevant industry standards.
Information on optional accessories, replacement parts, and technical contact details.












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