Troubleshooting
28
© Lutz-Jesco GmbH 2021
BA-22404-02-V03
Chlorine changeover unit
C 7520
Operating instructions
13 Troubleshooting
All possible errors are listed in this table.
Problem
Possible cause
Remedy
The changeover unit does not change
even though the battery connected is
empty and a full battery has been
connected to the other side.
After connecting the new chlorine tank, the OK
button in the cylinder symbol was not pressed.
The OK button in the cylinder symbol must be
pressed after changing the cylinder. The display
changes from red to green.
The voltage supply has been interrupted. All LEDs
are off.
Reactivate the voltage supply.
The changeover unit changes during
normal operation, even though the
chlorine tanks are still full.
The "residual emptying" function is active.
Recognisable on the illumination pattern of the
LEDs. The LED of the empty cylinder flashes green.
If the residual emptying function is not desired, set
jumper JP5 to open.
The maximum supply volume from the battery was
exceeded.
n
Insufficient chlorine tanks connected
n
Not all tank valves were opened.
n
Short-term strongly increased extraction due to
shock chlorination
n
A number of tanks are already empty
n
Connect sufficient chlorine tanks and open the
valves.
n
Remove simultaneously from both tank batter-
ies for a shock chlorination Switch the motors to
MAN.
The valves do not close one after the
other, but simultaneously.
The jumper JP1 is not plugged in correctly.
Set jumper JP1 to open
All LEDs flash red.
n
A motor has been switched to manual mode
n
A cable connection between motor and control
has been interrupted.
n
The end positions in the motors are misaligned.
n
The motor is defective.
n
Check whether the plugs on the motors are
loose.
n
If you do not experience any success: inform
Lutz-Jesco service.
The control shows an unusual
illumination or flashing pattern.
A particular operating state is given.
See section 8.2.3 „Special operating states“ on
page 19.
Tab. 17: Troubleshooting
