7 Start Up Troubleshooting
7.1.1 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 parameter 14-20, the system will either automatically reset this alarm or require the
[Off Reset] key to be pressed.
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 7.1 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 parameter 31-01.
Bypass Activates in:
Indicates the number of sec. left until the system automatically activates Bypass Mode.
Time delay can be adjusted using parameter 31-02.
Table 7.2 Panel Status Display (ECB only)
Start Up Troubleshooting
Vertical Bypass/Non Bypass Panel
MG.13.A1.22 - VLT
®
is a registered Danfoss trademark
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