Troubleshooting

DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E in the USA or applicable local standards. Turn off all power supplies to this device and equipment in which it is installed before working on the device or equipment. Always use a properly rated voltage sensing device to confirm that all power is off. Do not exceed the device's rating above specified maximum limits. Connect protective ground (earth) before turning on any power supply to this device. Failure to follow these instructions will result in death or serious injury.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E in the USA or applicable local standards.
Turn off all power supplies to this device and equipment in which it is installed before working on the device or equipment.
Always use a properly rated voltage sensing device to confirm that all power is off.
Do not exceed the device's rating above specified maximum limits.
Connect protective ground (earth) before turning on any power supply to this device.

Failure to follow these instructions will result in death or serious injury.

WARNING
HAZARD OF ELECTRIC SHOCK, EXPLOTION, OR ARC FLASH This equipment must only be installed and serviced by qualified personnel. Qualified persons performing diagnostics or troubleshooting that require electrical conductors to be energized must comply with and follow safe electrical work practices. For example, in the USA, see NFPA 70E. Failure to follow these instructions can result in death, serious injury, or equipment damage.

WARNING

HAZARD OF ELECTRIC SHOCK, EXPLOTION, OR ARC FLASH

This equipment must only be installed and serviced by qualified personnel.
Qualified persons performing diagnostics or troubleshooting that require electrical conductors to be energized must comply with and follow safe electrical work practices. For example, in the USA, see NFPA 70E.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

Problem	Possible cause	Solution
Module status LED blinking green (500 ms ON, 500 ms OFF)	Link150 firmware is corrupted	Upgrade the firmware. ReferLink150 Ethernet Gateway Firmware Update. NOTE: If an error message is displayed while deleting the gateway.bin file, then try to copy and paste the gateway.bin file for firmware upgrade.
Module status LED blinking red (500 ms ON, 500 ms OFF)	Link150 firmware is in degraded mode	Replace Link150 gateway in the next maintenance cycle.
Steady red Module Status LED	Link150 gateway is out of service	Call your local service representative for assistance.
Steady red Network Status LED	Duplicated IP address in Link150 gateway	Assign a new IP address to the Link150 gateway. If the problem persists, call your local network administrator for assistance.
Steady amber in Network Status LED	Error found in IP configuration of Link150 gateway	Verify that all IP parameters are correct. Cross reference to IP configuration page. OR Call your local network administrator for assistance.
Unable to browse the Link150 webpage.	Incorrect network configuration	Verify that all IP parameters are correct.
		Verify that Link150 gateway receives requests (ping Link150in the DOS prompt. Type ping and Link150 IP address. For example, ping `169.254.0.10`).
		Verify that all connection settings in your browser Internet options are correct.
	Lost HTTP port number	Perform factory reset.
None of the LEDs are lit.	Source power is not applied or is not stable	Apply power or check power source.
One of the LEDs is not lit.	The LED is burned out	Call your local service representative for assistance.
Ethernet communication LED is not lit.	Proper link is not established	Make sure that the proper cable is used and connected.

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