Danfoss iC7 Motion Series Application Manual page 360

Application Guide | iC7 Series Motion
Table 48: Summary Table (continued)
Group Numb Display Name
Numb er
er (Deci
(Hex) mal)
0x313 4160 Missing Grid Phase
0
0x313 4163 Grid Imbalance
0
0x314 4161 Grid Frequency Out of
0 Range
0x314 4166 Grid Synchronization Er-
0 ror
0x321 4144 DC-link Voltage High 2
1
0x321 4145 DC-link Voltage High 1
2
0x322 4146 DC-link Voltage Low
1
0x32F 4147 DC-link Voltage Ripple
F
0x32F 4148 DC-link Imbalance
F
358
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Description
A missing phase is detected on the grid side.
Check the grid supply, cables, connections,
and fuses.
A large imbalance of the grid voltages is de-
tected. Check for uneven loads on the grid.
A grid frequency outside the normal operat-
ing range is detected.
The drive is unable to maintain the synchro-
nization to the grid voltage.
The voltage of the DC link is above the nor-
mal operating range. Can be caused by too
fast motor braking or grid transients. Increase
deceleration time, enable the overvoltage
controller, use AC brake, or use a brake resis-
tor while braking.
The voltage of the DC link is above the nor-
mal operating range and has reached a crit-
ical level. Can be caused by too fast motor
braking or grid transients. Increase decelera-
tion time, enable the overvoltage controller,
use AC brake, or use a brake resistor while
braking.
The DC-link voltage is below the normal op-
erating range. Try to enable undervoltage
protection to keep the drive running as long
as possible.
Excessive voltage ripple has been detected
on the main DC-link capacitors. This can be
caused by an imbalance of the grid. Reduce
the output power.
An imbalance across the DC-link capacitors is
detected. The imbalance can be caused by a
component fault of the DC link. If the fault re-
mains after resetting the drive, service is re-
quired.
Type of Event Inverter and
Brake Chopper
Action
I F P Invert
W F er
X X C
X X C
X X C
X X C
X X C
X X C
X X C
X X C
X X C
AB318753549016en-000301 / 136R0284
Brake
C
C