KACO Powador XP500-XP550-HV TL - Manual (Page 51)

Operating Instructions Powador XP500/550-HV-TL Page 51
Faults and Warnings
Code Message Warning Description Possible problem and Solution(s)
11 Inv. Under Voltage Inverter side Voltage under the
parameter [Grid Under Voltage
Level 2] Possible problem
• The inverter voltage is too low
Solution(s)
• Check the inverter voltage
• Check the inverter parameter
• Check the MC21
12 Inv. Over Frequency Inverter side Frequency over the
parameter [Grid over Frequency
Level 2] Possible problem
• The grid frequency is outside the
permitted range
Solution(s)
• Check the grid frequency
13 Inv. Under Frequency Inverter side Frequency under
the parameter [Grid under
Frequency Level 2]
Possible problem
• The grid frequency is outside the
permitted range
Solution(s)
• Check the grid frequency
14 Inv. Over Current Inverter side Current over the
parameter [Inverter OverCurrent
Level] Possible problem
• Short circuit in the IGBT
• Short circuit in the Grid
Solution(s)
• Check the grid connection
• Check the inverter connection
15 MC21(Inv. MC) Failure Inverter side contactor(MC21)
failure
Possible problem
• MC21 contactor is open
• Auxiliary switch is inoperable
Solution(s)
• Check the wiring connection
• Change the MC21
16 Inv. Phase Order Phase order failure on the
inverter side Possible problem
• Phase order failure on the inverter
• Wrong phase rotation
Solution(s)
• Check the wiring connection
• Reverse two phases
18 Inductor or TR Over
Temp Inductor or Transformer temper-
ature over 150°C Possible problem
• Cabinet fan failure
Solution(s)
• Cleaning the filters
• Change the cabinet Fan
Table 10: Fault