TYROLIT
Hydrostress AG
Page 40
WSE1621 Control unit
Faults
5
Faults
Fault
Possible cause
Solution
The control unit does not
work even though the
mains cable is connected
Control unit is switched off
X
Switch on the control unit
Defective mains cable
X
Replace the mains cable
No voltage at the power supply (build-
ing site)
X
Check power supply
Power supply phases incorrectly con-
nected
X
Check power supply
Phase missing
See the chapter entitled "Responding to displays"
The control unit starts and
then cuts out again
Power supply fuse at the building site
trips
X
Check the fuse and adjust if necessary
X
If necessary, change the power supply
X
See the chapter entitled "Responding to displays"
No power, even though
the control unit
is running
Incorrect voltage
Defective main motor
X
Make sure the voltage and frequency of the control unit
correspond to the specifications for the mains supply
X
Contact TYROLIT after-sales service
The control unit
cuts out
suddenly
Over- or undervoltage
X
Check the power supply. Refer to the error display
Cross section of power supply cable too
small
X
Check power supply
Defective plug connection
X
Check the plug connection
X
Check power supply
Group alarm
X
Refer to the error displays
Main motor is not running
• Main motor potentiometer is in 0 po-
sition
• Defective main motor On/Off switch
on remote controller
• Water On / Off switch is not in position
1 or it is defective
The remote controller ‘Ready’ light does
not illuminate
X
Contact TYROLIT after-sales service
X
Do not start the control unit
The EMERGENCY STOP is activated
X
Deactivating the EMERGENCY STOP function
Overheating
X
Check the water circuit and the plug-in couplings
X
Refer to the error displays
No water
X
Switch on the water supply
X
Refer to the error displays
Remote controller not
working
Rechargeable battery or batteries have
too little charge
X
Replace and recharge the rechargeable battery or install
cable operation
X
Replace the batteries
Feed potentiometer indi-
cates no function
• Defective potentiometer in the remote
controller
• Feed motors not connected
• Defective feed motor
• Joystick is in the 0 position
X
Contact TYROLIT after-sales service
X
See the chapter entitled "Responding to displays"
Feed motor fails to build
up power
Remote controller potentiometer is de-
fective or in the 0 position
X
Contact TYROLIT after-sales service
Defective cable
X
Contact TYROLIT after-sales service
Defective motor
X
Contact TYROLIT after-sales service