MAINTENANCE
Troubleshooting
145
LvA
(11)
Lv at accel
DC bus low voltage during acceleration
Action and Reset
Action level
DC bus voltage is lower than
LV Level [PROT-03]
during acceleration
Action time
Immediately
Related parameters
LV Level [PROT-03]
Reset method
Manually or Automatically if in Auto mode and Auto Restart is enabled
Reset condition
Reset when DC bus voltage is higher than
[PROT-03]
+ 30 V (Frame A–D) / 40 V (Frame E and below)
Recorded
Yes
Possible Causes
Corrective Action
• Power voltage changes
• Load is too large
• Improper wiring at +1 and +2
• Generator voltage dips
• Check if the input voltage is normal
• Check for possible sudden load
• Adjust setting of
[PROT-03]
• Check DC reactor connection
• If powered by a generator, increase the throttle
• If powered by a generator, replace generator with large one
Fault Display
Description
Lvd
(12)
Lv at decel
DC bus low voltage during deceleration
Action and Reset
Action level
DC bus voltage is lower than
LV Level [PROT-03]
during deceleration
Action time
Immediately
Related parameters
[PROT-03] LV Level
Reset method
Manually or Automatically if in Auto mode and Auto Restart is enabled
Reset condition
Reset when DC bus voltage is higher than
[PROT-03]
+ 30 V (Frame A–D) / 40 V (Frame E and below)
Recorded
Yes
Fault Display
Description
Lvn
(13)
Lv at normal SPD
DC bus low voltage at constant speed
Action and Reset
Action level
DC bus voltage is lower than
LV Level [PROT-03]
at constant speed
Action time
Immediately
Related parameters
LV Level [PROT-03]
Reset method
Manually or Automatically if in Auto mode and Auto Restart is enabled
Reset condition
Reset when DC bus voltage is higher than
[PROT-03]
+ 30 V (Frame A–D) / 40 V (Frame E and below)
Recorded
Yes
Possible Causes
Corrective Action
• Power voltage changes
• Sudden load changes
• Improper wiring at +1 and +2
• Check if the input voltage is normal
• Check for possible sudden load
• Adjust setting of
[PROT-03]
• Check DC reactor connection
• If powered by a generator, increase the throttle.
• If powered by a generator, replace generator with large one
Fault Display
Description
Summary of Contents for CERUS X-DRIVE CXD-003A-4V
Page 2: ......
Page 3: ...CERUS X DRIVE INSTALLATION AND OPERATION MANUAL Firmware Version 1 2 Franklin Electric Co Inc ...
Page 96: ...OPERATION Protection Features 96 ...
Page 112: ...ADVANCED APPLICATION OPTIONS Multi Drive Configurations 112 ...
Page 124: ...COMMUNICATIONS BACnet Communication 124 ...
Page 128: ...ACCESSORIES Optional Extension Cards 128 Frame D Frame E Frame F ...
Page 129: ...ACCESSORIES Optional Extension Cards 129 Frame G Frame H ...
Page 132: ...ACCESSORIES Optional Extension Cards 132 ...
Page 234: ...PARAMETER REFERENCE TABLES Parameter Descriptions Motor Menu 234 ...
Page 250: ...GLOSSARY 250 ...