Using vfd on air compressor when compressor shuts off after reaching correct pressure we are getting error code oc-d can someone help?

It is an over current code google VFD codes try to lower frequency setting below 60hz your VFD should be twice the size of your motor

Why am i getting oc-r when i try to start my motor? 230v 3-phase, 5hp, 17 amps. i have the 10hp drive rated for 50 amps.

Maybe the load on the device behind your VFD is overloaded,

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VFD 7.5KW 10HP 220V 1 or 3 Phase Input 3 Phase 0-400HZ Output 50A Variable Frequency Drive Controller Vector Control Inverter Converter for CNC Motor Speed Control and Spindle

Product ID: 367215964

Details

Brand
HKS
Model Name
HKS-*
Power Source
AC Powered
Recommended Uses For Product
Compressor CNC
Wattage
7.5 watts

⚡7.5KW high power output

🔄0-400Hz ultra-wide frequency range

🔌1 or 3 phase input flexibility

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NT$15928

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Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Master your motor’s rhythm with precision and power!

FREQUENCY FREEDOM - Adjust speeds seamlessly from 0 to 400Hz for ultimate control.
PHASE FLEXIBILITY - Supports both single and three-phase input for versatile installation.
POWER YOUR PRECISION - 7.5KW / 10HP output drives heavy-duty CNC motors with ease.
BUILT IN SAFETY SUITE - Comprehensive protections including overload, overvoltage, and stall guard your investment.
WHISPER QUIET EFFICIENCY - Advanced PWM tech and smart cooling ensure low noise and long-lasting performance.

The HKS 7.5KW Variable Frequency Drive offers robust 220V input with single or three-phase compatibility, delivering a stable 3-phase output at up to 400Hz and 50A. Designed for CNC and spindle motor speed control, it features intuitive controls, extensive safety protections, and noise-reducing technology, making it a reliable powerhouse for professional industrial automation.

Specifications

ASIN	B09C5P3RB5
Antenna Location	Compressor, CNC router, Spindle motor, Grinder
Best Sellers Rank	#30,964 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Motor Drives
Brand	HKS
Built-In Media	VFD
Color	Black
Customer Reviews	4.0 4.0 out of 5 stars (161)
Electrical Output Waveform	Pure Sine Wave
Energy Specifications Met	UL, CE
Frequency	400 Hz
Input Voltage	220 Volts
Inverter Capacity Volt-Amp	11000
Item Dimensions L x W x H	5"L x 5"W x 5"H
Manufacturer	HKS-AISAICON
Mfr Part Number	A2 TYPE
Model Name	HKS-*
Model Number	HKS-*
Output Power	7.5 Kilowatts
Output Voltage	220 Volts
Peak Output Power Watts	11250
Power Source	AC Powered
Standby Power Shutoff	90
Unit Count	1.0 Count
Voltage	220 Volts (AC)
Wattage	7.5 watts

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