29
P/N: 10001609 (REV AB) 627NH
December 2014
UL2
Upper Limt 2 Err
Upper Limit 2-Stop Indicator.
Upper Limit 2-STOP switch status is changed.
1. May not require corrective action.
2. Check the position of the Limit Switch.
3. Check the condition of the Limit Switch.
4. Check the conditions of/for input terminal H01.XX
(U01.10)
UL3
Upper Limt 3 Err
Upper Limit 3-Weighted Stop.
Upper Limit weighted limit switch tripped
1. May not require corrective action.
2. Check the position of the Limit Switch.
3. Check the condition of the Limit Switch.
4. Check the conditions of/for input terminal H01.XX
(U01.10)
UT1
Undertorque
Det1
Undertorque Detection 1.
The current is less than L06.02 for more that L06.03.
1. Check settings.
2. Check motor coupling.
UT2
Undertorque
Det2
Undertorque Detection 2.
The current is less than L06.05 for more that L06.06.
1. Check settings.
2. Check motor coupling.
UV
(Flashing)
DC Bus
Undervolt
Undervoltage Fault.
Undervoltage status occurs for more than 2 sec during STOP.
Input voltage drops below 190V DC or less for 230V AC class, 380V DC or less for
460V AC class.
1. Check the power source wiring.
2. Replace and bad branch fuses.
3. Check collector system.
UV1
DC Bus
Undervolt
Undervoltage 1 Fault.
Undervoltage status occurs for more than 2 sec during RUN
command. Input voltage drops below 190V DC or less for 230V AC class, 380V DC
or less for 460V AC class.
1. Check the power source wiring.
2. Correct the line voltage.
3. Check collector system.
UV2
CTL PS
Undervolt
Undervoltage 2 Fault.
The inverter detected a loss of 24V logic power
supply voltage.
1. Check the power source wiring.
2. Correct the line voltage.
3. Check collector system.
UV3
MC Answerback
MC Fault.
The pre-charge contactor opened during operation
1. Check the power supply wiring.
2. Correct the line voltage.
3. Check collector system.
4. Wait 30-45 seconds before restarting drive after
auto shut down.
Содержание Lodestar A
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