KACO blueplanet 750 - 1000 kVA - Manual (Page 66)

Page 66 KACO blueplanet 1000/875/750 TL3 M1 IS OD DEX0
Faults and Warnings
Code Message Warning Description Possible problem and Solution(s)
25 PEBB Over
Temp. Digital The temperature of the heat-
sink over 100°C (Digital) Possible problem
• PEBB Fan Failure
Solution(s)
• Inspect and if necessary clean the
heat-sink fins Change the PEBB Fan
26 Grid Phase Jump Grid side voltage phase delay
exceed value of [Phase Jump
Theta Deadband] Possible problem
• Grid side voltage phase delay
Solution(s)
• Check grid parameter table
27 Grid Phase Open Grid side voltage phase open
accident Possible problem
• Grid side one phase is open
Solution(s)
• Check the wiring connection
28 Inv. MC (PEBB 2
MC21) Failure Inverter side contactor
(MC21 of PEBB 2) failure Possible problem
• MC21 contactor is open
• Auxiliary switch is inoperable
Solution(s)
• Check the wiring connection
• Change the MC21
29 Inv. MC (PEBB 3
MC21) Failure Inverter side contactor
(MC21 of PEBB 3) failure
30 Grid Over Voltage
level 1 Grid side Voltage over the
parameter [Grid Over Voltage
Level 1] Possible problem
• The grid voltage is too high
Solution(s)
• Check the grid voltage
• Check the grid parameter
31 Grid Under Voltage
level 1 Grid side Voltage under the
parameter [Grid Under Voltage
Level 1] Possible problem
• The grid voltage is too low
Solution(s)
• Check the grid voltage
• Check the grid parameter
• Check the MCB24
32 Grid Over Frequency
level 1 Grid side Frequency over the
parameter [Grid Over Frequency
Level 1] Possible problem
• The grid frequency is outside the
permitted rang
Solution(s)
• Check the grid frequency
• Check the grid parameter
Table 8: Fault