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 5.5KW 7.5HP 220V 1 or 3 Phase Input 3 Phase 0-400HZ Output 36A Variable Frequency Drive Controller Vector Control Inverter Converter for CNC Motor Speed Control and Spindle

VFD 5.5KW 7.5HP 220V 1 or 3 Phase Input 3 Phase 0-400HZ Output 36A Variable Frequency Drive Controller Vector Control Inverter Converter for CNC Motor Speed Control and Spindle

Product ID: 338865904

Details

Brand
HKS
Model Name
VFD 5.5KW
Power Source
AC Powered
Recommended Uses For Product
CNC router
Wattage
7.5 KW

⚡5.5KW Power Output

🔄0-400Hz Variable Frequency Range

🔌Single or 3-Phase Input Flexibility

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Description

⚙️ Elevate your motor control game — precision, power, and protection in one sleek inverter!

DUAL INPUT COMPATIBILITY - Works effortlessly with single-phase or three-phase 220V power sources to fit your setup.
LOW NOISE LONG LIFE DESIGN - Enjoy whisper-quiet operation and enhanced durability thanks to smart cooling and PWM tech.
POWERFUL 5 5 KW VECTOR CONTROL - Seamlessly handle demanding CNC and spindle motor tasks with robust 7.5HP output.
ULTRA FLEXIBLE FREQUENCY RANGE - Fine-tune motor speeds from 0 to 400Hz for precision control and efficiency.
ADVANCED MULTI PROTECTION SUITE - Stay worry-free with overload, overvoltage, stall, and thermal protections built-in.

The HKS VFD 5.5KW 7.5HP Variable Frequency Drive offers versatile 220V single or three-phase input and delivers a stable three-phase output with a frequency range of 0-400Hz. Designed for CNC and spindle motor speed control, it features vector control technology, an intuitive LCD interface, and comprehensive protections including overload and thermal safeguards. Its low noise and electromagnetic interference design ensure reliable, long-lasting performance in industrial environments.

Specifications

ASIN	B092YZS5R3
Antenna Location	CNC router, Spindle motor, Industrial machinery
Best Sellers Rank	#43,127 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Motor Drives
Brand	HKS
Built-In Media	Manual, VFD
Customer Reviews	4.0 out of 5 stars 156 Reviews
Display Type	LCD
Electrical Output Waveform	Pure Sine Wave
Frequency	400 Hz
Included Components	Manual, VFD
Input Voltage	220 Volts
Inverter Capacity Volt-Amp	16434
Item Dimensions L x W x H	10"L x 7"W x 6"H
Item Weight	6.29 Pounds
Manufacturer	HKS
Mfr Part Number	5.5KW (7.5HP 220V)
Model Name	VFD 5.5KW 7.5HP
Model Number	5.5KW (7.5HP 220V)
Output Power	5500 Kilowatts
Output Voltage	220 Volts
Peak Output Power Watts	5500
Power Source	AC Powered
Recommended Uses For Product	CNC router, Spindle motor, Industrial machinery
Standby Power Shutoff	90
UPC	645569502130
Voltage	220 Volts
Wattage	7.5 KW

Reviews

R**R

14.12.2025

J**H

2.03.2023

J**Y

17.01.2025

A**R

26.12.2025

J**N

16.11.2024

R**Y

28.10.2024

A**.

9.05.2025

M**H

8.09.2023

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€ 396.99

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In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

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