Franklin Electric CERUS X-DRIVE CXD-003A-4V, Installation And Operation Manual

Page: 146 / 252

MAINTENANCE
Troubleshooting
146
LvS
(14)
Lv at Stop
DC bus low voltage at stop
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 and depending on voltage recovery level
Reset condition Voltage re500 ms
Recorded Yes
Possible Causes Corrective Action
• Incorrect drive model
• Power voltage change
• Hardware failure • Check if the input voltage is normal
• Check for possible sudden load
• Adjust setting of
[PROT-03]
• Check DC reactor connection
• Cycle the power. If error still exists, please call Technical Support.
• If powered by a generator, increase the throttle.
• If powered by a generator, replace generator with large one
Fault Display Description
MVWS (183)
M-VFD Wrong Set
Wrong settings of Multi-VFD. Settings of follower (this drive) is different from the master.
Action and Reset
Action level
[ADV-35]
,
[ADV-36]
,
[SET-07]
, and
[SET-17]
different than master drive. To identify master drive, set
[SET-58]
to
23_Commu
Role
. On screen, 0 = No Role, 1 = Master, and 2 = Follower.
Action time Immediately
Related parameters
[ADV-35]
;
[ADV-36]
;
[SET-07]
;
[SET-17]
Reset method Automatically
Reset condition Immediately
Recorded Yes
Possible Causes Corrective Action
• Wrong parameter values for
[ADV-35]
,
[ADV-36]
,
[SET-07]
, and
[SET-17]
• Multiple masters on network
• Verify settings match master drive. To identify master drive, set
[SET-58]
to
23_Commu Role
. On screen,
0=No Role, 1=Master, and 2=Follower.
• If network has multiple masters, make sure each drive on network has unique
Mulit-VFD [ADV-37]
and
that value is equal or less than
Multi-VFD Set [ADV-35]
.
• If network has multiple masters, check communication wiring between drives and replace wiring as
needed.
Fault Display Description