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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HKS Variable Frequency Drive Set, Includes 1 x VFD (220V-7.5kW) and 1 x External Control Panel, 220V 1 or 3 Phase Input, 3 Phase Output, VFD Motor Speed Controller for CNC Spindle

Product ID: 367215964

Details

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

⚡7.5KW Power Output

🔄0-400Hz Variable Frequency Range

🔌1 or 3 Phase Input Flexibility

R11026

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Description

⚙️ Power your precision with silent strength — the VFD that keeps your CNC game sharp!

BUILT IN SAFETY SUITE - Comprehensive protections including overload, overvoltage, stall, and short circuit ensure uninterrupted, worry-free operation.
POWERHOUSE PERFORMANCE - Delivers a robust 7.5KW (10HP) output to handle demanding CNC and spindle motor tasks with ease.
WHISPER QUIET EFFICIENCY - Advanced PWM technology and smart cooling design minimize noise and electromagnetic interference for a professional environment.
ULTIMATE FREQUENCY CONTROL - Adjust motor speed seamlessly from 0 to 400Hz for precision machining and optimized workflow.
VERSATILE INPUT COMPATIBILITY - Supports both single-phase and three-phase 220V inputs, adapting effortlessly to your power setup.

The HKS 7.5KW Variable Frequency Drive offers flexible 1 or 3 phase 220V input and delivers a stable 3-phase output with a wide 0-400Hz frequency range. Designed for CNC motors and spindle speed control, it features vector control inverter technology, multiple built-in protections, and low noise operation, making it an essential upgrade for professionals seeking reliable, precise motor management.

Specifications

ASIN	B09C5P3RB5
Antenna Location	Compressor, CNC router, Spindle motor, Grinder
Best Sellers Rank	#104,335 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #112 in Motor Drives #536 in Power Tool Battery Converters
Brand	HKS
Color	Black
Customer Reviews	4.0 4.0 out of 5 stars (63)
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	7.5KW
Model Number	HKS-*
Number of Items	1
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
Warranty Description	NO
Wattage	7.5 KW

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R11026

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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