Danfoss VLT FC Series User Manual

8 Start Up Troubleshooting
8.1.1 Option Panel Alarm and Warnings
Code
Number
Title Definition
220 Overload Trip Motor overload has tripped. Indicates excess motor load. Check motor and driven load. To reset,
press [Off Reset]. Then, to restart the system, press [Auto on] or [Hand on].
221 Bypass Interlock Bypass interlock has opened and caused the motor to stop. Correct the problem. Depending on
the setting of 14-20 Reset Mode, the system will either automatically reset this alarm or require
pressing the [Off Reset].
222 M2 Open Failed ECB: The contactor that connects the drive to the motor failed to open. The motor can not be
operated.
223 M2 Close Failed ECB: The contactor that connects the drive to the motor failed to close. The motor can not be
operated.
224 M3 Open Failed ECB: The contactor that connects the motor to the power line has failed to open.
226 M3 Close Failed ECB: The contactor that connects the motor to the power line has failed to close. The motor can
not be operated.
227 Bypass Com Error Communication between the main control card and the bypass option has been lost. Motor control
lost. It will be possible to run the motor using Manual Bypass Override.
228 APU Low Voltage The Panel Power Supply has failed, or there is a power problem.
229 Motor Disconn. Terminal 3 on connector X57 of the ECB control card shows an open. This generally means that
neither motor has been selected in contactor motor select. Select a motor.
Table 8.1 Panel Alarms and Warnings (ECB only)
DisplayText
Definition
Bypass Run Starts in Indicates the number of sec. until the motor will be started in bypass. This time delay
can be adjusted using 31-01 Bypass Start Time Delay.
Bypass Activates in Indicates the number of sec. left until the system automatically activates Bypass
Mode. Time delay can be adjusted using 31-02 Bypass Trip Time Delay.
Table 8.2 Panel Status Display (ECB only)
Start Up Troubleshooting Option Panel Operating Instructions
58 MG14I102 - VLT
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Danfoss VLT FC Series Specifications

General

Category	DC Drives
Series	VLT FC Series
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Overtemperature, Motor overload
Communication Interfaces	CANopen, PROFIBUS, Ethernet
Cooling Method	liquid-cooled
Enclosure Rating	IP20, IP21, IP55
Ambient Temperature	-10°C to +40°C (14°F to 104°F) without derating