Start Up Troubleshooting; Option Panel Alarm And Warnings - Trane VLT AQUA Drive FC 202 VLT AutomationDrive FC 301 Instruction Manual

Start Up Troubleshooting

7 Start Up Troubleshooting

7.1.1 Option Panel Alarm and Warnings

Code Title
Number
220 Overload Trip
221 Bypass Interlock
222 M2 Open Failed
223 M2 Close Failed
224 M3 Open Failed
226 M3 Close Failed
227 Bypass Com Error
228 APU Low Voltage
229 Motor Disconn.
Table 7.1 Panel Alarms and Warnings (ECB only)
DisplayText
Bypass Run Starts in:
Bypass Activates in:
Table 7.2 Panel Status Display (ECB only)
Vertical Bypass/Non Bypass Panel
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].
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.
ECB: The contactor that connects the drive to the motor failed to open. The motor can not be
operated.
ECB: The contactor that connects the drive to the motor failed to close. The motor can not be
operated.
ECB: The contactor that connects the motor to the power line has failed to open.
ECB: The contactor that connects the motor to the power line has failed to close. The motor can
not be operated.
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.
The Panel Power Supply has failed, or there is a power problem.
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.
Definition
Indicates the number of sec. until the motor will be started in bypass. This time delay
can be adjusted using parameter 31-01.
Indicates the number of sec. left until the system automatically activates Bypass Mode.
Time delay can be adjusted using parameter 31-02.
®
MG.13.A1.22 - VLT is a registered Danfoss trademark
Definition
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