Edwards EXS Series Instruction Manual page 69

Cause There is a loss of power.
Remedy Use a better power supply.
Fault Uv2 ‐ Control power undervoltage
Cause There was a problem with the drive hardware.
Remedy Re-energise the drive.
Contact us.
Fault Uv3 ‐ Soft charge answerback fault
Cause The relay or contactor on the soft-charge bypass relay is damaged.
Remedy Re-energise the drive.
Contact us.
Fault EF3 ‐ External fault(terminal S3)
Cause Thermal overload relay tripped due to motor overheat.
Remedy Check the cooling water.
Fault dWFL ‐ High temperature warning
Cause The stator temperature reaches 130 °C.
Remedy Contact us.
Table 23 Inverter warning codes
Condition
bb - Baseblock
CrST - Cannot reset
EF - FWD/REV Run command input error
HCA - High current alarm
oH - Heatsink overheat
dWAL - Warm up finish
dWA2 - High temperature
Fault bb ‐ Baseblock
Cause An external baseblock command is entered through MFDI terminal S1 to S7 and
the drive output stopped as shown by an external baseblock command.
Remedy Examine the external sequence and timing of the baseblock command input.
A41870880_A
A41870880_A - Fault finding
on page 69
on page 70
on page 70
on page 70
on page 70
on page 70
Page 69
on page 70
07/2021 - ©Edwards Limited