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

134.30 OMR

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Description

⚙️ Power your precision with silent strength — the VFD that keeps you ahead of the curve!

FREQUENCY FREEDOM - Adjust motor speed seamlessly from 0 to 400Hz for ultimate process control and efficiency.
PHASE FLEXIBILITY - Supports both single-phase and three-phase input, adapting effortlessly to your power setup.
POWER MEETS PRECISION - 7.5KW / 10HP output powers your CNC and spindle motors with industrial-grade reliability.
SMART PROTECTION SUITE - Built-in overload, overvoltage, stall, and short circuit protections keep your equipment safe and running longer.
WHISPER QUIET OPERATION - Advanced PWM tech and smart cooling design minimize noise and electromagnetic interference for a professional workspace.

The HKS 7.5KW Variable Frequency Drive offers robust 220V output with flexible single or three-phase input, delivering precise motor speed control from 0 to 400Hz. Engineered for CNC and spindle applications, it features comprehensive protection mechanisms and low-noise operation, ensuring durability and efficiency in demanding industrial environments.

Specifications

ASIN	B09C5P3RB5
Antenna Location	Compressor, CNC router, Spindle motor, Grinder
Best Sellers Rank	#40,777 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #21 in Motor Drives #268 in Power Tool Battery Converters
Brand	HKS
Built-In Media	VFD
Color	Black
Customer Reviews	3.9 3.9 out of 5 stars (62)
Electrical Output Waveform	Pure Sine Wave
Energy Specifications Met	UL, CE
Frequency	400 hertz
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-*
Number of Outlets	1
Output Power	7.5 KW
Output Voltage	220 volts
Peak Output Power Watts	11250
Power Source	AC Powered
Standby Power Shutoff	90
Unit Count	1 Count
Voltage	220 volts_of_alternating_current
Wattage	7.5 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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134.30 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered 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 OMAN.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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