Message text
Cause
Solution
Wiper motor proximity
switch!
The proximity switch for the
‘HOME
position’ of the wiper motor does
not switch
n
Check the position of the wiper and
the solenoid switch on the wiper
mechanism
n
Check cabling.
n
Perform a functional check of the
proximity switch and wiper mecha‐
nism, replacing the proximity switch if
necessary
n
The UV system can continue opera‐
tion by disabling the wiper (wiper
interval = 0) until the cause is elimi‐
nated
Overheating - lamp is
cooling
Overheating of the water tempera‐
ture in the radiation chamber.
System has switched off
Ensure water flow
Wiper is not calibrated!
Wiper is not calibrated
Calibrate wiper
Wiper not at HOME posi‐
tion!
Wiper does not reach the
‘HOME
position’ within the maximum run‐
time.
n
Move wiper to the
‘HOME position’
n
Check the position of the wiper and
the solenoid switch on the wiper
mechanism
UV intensity below safety
threshold!
n
UV intensity below the min‐
imum radiation intensity
n
UV lamp has aged and UVC
power too low
n
Low transmission of the water
n
Dirt on the lamp protection tube
n
Dirt on the UV sensor, faulty
UV sensor
n
Replace UV lamp. check transmission
of the water or improve pre-treatment,
if necessary, or adjust system set‐
tings to water quality
n
Trigger wiper cycle, manually clean
lamp protection tube if necessary
n
Clean the UV sensor, replace UV
sensor
UV lamp safety switch
open!
Safety switch removed or faulty
Repair safety switch
Troubleshooting
97
Содержание ProMaqua Dulcodes A
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