
Error
no.
Error message
Switch-off due
to...
Cause
Remedy
001
‘Guard doors open’ Door switch
monitoring
mechanism
The contact in the
door switch has trig‐
gered
Close the control cabinet door.
002
‘Overtemperature of
ozone generator’
Temperature
sensors on the
ozone gener‐
ator
The temperature of
the cooling water is
above the maximum
permitted value.
Raise the water temperature at
the cooling water inlet or increase
the flow:
Check the cooling water priming
pressure and increase if neces‐
sary. Check the cooling system
pipes outside and inside the cab‐
inet for deposits which could lead
to blockages and clear if neces‐
sary. Raise the cooling water flow
at the angle valve (24). Check
that solenoid valve at the cooling
water inlet is working correctly.
Install a pressure regulator with
filter upstream of the cooling
water inlet outside the control
cabinet.
003
‘Overtemperature of
control cabinet’
Temperature
sensors in the
control cabinet
The temperature in
the control cabinet or
the HV transformer
temperature is too
high.
Check that the control cabinet fan
is working correctly. Clean the fan
filter. Lower the ambient tempera‐
ture, for instance by installing an
air conditioning system. Set a
lower ozone output.
Only with air conditioning unit:
Check that the air conditioning
unit is operating correctly.
004
‘Ozone alarm!!’
Ozone detector Ozone gas leak
Read the safety information
before entering the room. Under
no circumstance restart the
system before the cause of the
ozone alarm has been located
and eliminated. Locate and seal
the ozone gas leak.
010
‘Maintenance
needed!!’
System control
The maintenance
interval has been
exceeded.
The system needs to be serviced.
There is a preliminary
warning:
‘Maintenance
warning’ ; once the
maintenance interval
has expired,
‘Maintenance
needed!!’ is displayed.
The system continues
running.
Prepare for maintenance.
011
‘Broken wire xxxxx’ Pressure
sensor, flow
sensor, tem‐
perature sensor
Sensors are not con‐
nected or are emitting
an implausible ana‐
logue signal.
Check the sensor connection
cable, check the analogue sig‐
nals, if necessary replace the
connection cable or the sensors.
Troubleshooting
68