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Dulcodes UV-Desinfektionsanlage
7.4 Replacing Filter Mats
Replacing the filter mats of the fan and air outlet filter
WARNING!
Soiled filter mats of the fan and of the air outlet filter can cause overheating and irreparable
damage to the control cabinet.
The filter mats of the fan and of the air outlet filter should be replaced at least once per
year. The filter mats should be replaced at shorter intervals under unfavourable ambient
conditions.
Switch off UV system with the START/STOP key
Switch off master switch
Remove fan cover. For this purpose, grab the cover with the fingers in the bottom grip
recesses and pull off the cover.
Remove soiled filter mat and fit new filter mat with the white side facing inward
(control cabinet side).
Replace filter mat of the air outlet filter as described above.
Switch on master switch
7.5 Troubleshooting
CAUTION!
• Only authorised electricians are permitted to perform troubleshooting operations on the
opened control cabinet and replace components!
Warning threshold undershot
Indication: Arrow pointing down
Safety threshold undershot
Indication: Two flashing arrows pointing down
The remaining clear flushing time is shown
(2 squares flash instead of the seconds)
Fault: Safety threshold undershot (after maximum clear flushing time has elapsed)
Error message: UV sensor
Confirm error message with ENTER key
Press CHANGE key to assume emergency mode (see 4.3.20)
Emergency mode: Safety threshold undershot
System continues operating in emergency mode
Possible cause Coating on lamp protective tube
Remedy Clean lamp protective tube
Possible cause Deterioration of UV transmission of water to be treated
Remedy Improve water quality
Possible cause UV lamp at end of useful life
Remedy Install new UV lamps
Possible cause Incorrect lamp current
Remedy Operate with standard current
Possible cause Sensor not calibrated correctly
Remedy Recalibrate sensor
Maintenance
55.0 W/m
2
10 h Operation
20 ON/OFF
40.0 W/m
2
Clear flushing
Time 00:11
BA_DS_009_10_06_GB.p65 20.10.2006, 7:31 Uhr29
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