TYROLIT
Hydrostress AG
Page 23
WSE1621 Control unit
Error displays
Error
Possible cause
Action
Main motor current
earth fault
• Electrical connection
earth fault
• Contact TYROLIT
after-sales service
Overcurrent DC axis
• Feed motor overload-
ed
• Reduce feed
DC motor short circuit
• Blocked feed motor
• Defective feed motor
• Contact TYROLIT
after-sales service
The safety relay no
longer switches prop-
erly
• Hardware defect
• Contact TYROLIT
after-sales service
The safety contact no
longer functions prop-
erly.
• Hardware defect
• Contact TYROLIT
after-sales service
Transformer fault
• Motor outside of pos-
sible parameters
• Contact TYROLIT
after-sales service
Overvoltage at the feed
output stage
• Defective power sup-
ply unit
• Power supply unit
overloaded
• Contact TYROLIT
after-sales service
EMERGENCY STOP
has been actuated
• EMERGENCY STOP
has been actuated
• Radio communication
has been interrupted
• Reset the EMERGENCY
STOP push-button,
perform the startup
procedure
• Change the radio fre-
quency by switching
the key switch on the
radio remote controller
on and off