ABB PST30 Installation And Commissioning Manual page 182

Chapter 11
Trouble shooting
Status
Frequency fault
Power on Fault Protection
Fault Wrong Freq
Reset
Line side fault
Power on Fault Protection
Fault Line Side
Reset
Heat sink over-temperature
fault
Power on Fault Protection
Fault HS Temp
Reset
Kick-current fault
Power on Fault Protection
Fault Kick-Cur
Reset
Thyristor short circuit fault
Power on Fault Protection
Fault SC SCR
Reset
Non conducting thyristor
Power on Fault Protection
Fault Open SCR
Reset
182
Possible cause
The frequency is out of range.
(47.5 - 52.5Hz or 57 - 63Hz)
Back
The main voltage is not correct
on the line side.
Back
Temperature too high on the
heat sink. If the fault remains
after reset, the heat sink temper-
ature is too warm.
Back
Parameter Setting I
low.
Back
One or several SCRs are
shorted.
Back
One or several SCRs are not
conducting.
Back
Solution
• Check and correct the frequency.
• Check and correct voltage on the line
side.
• Check that the fans are working in a
proper way.
• Check that cooling airways are free from
dirt and dust.
• Check that the ambient temperature is
not too high.
is set too
In Line connected
e
• Set the value according to the rated
motor current.
Inside Delta
• Set the value according to 58%
( ⁄ (
1
• Check and replace. Contact your ABB
sales office for replacement kit.
• Check and replace. Contact your ABB
sales office for replacement kit.
) ) of the rated motor current.
3
1SFC132003M0201