Troubleshooting And Error Rectification; Safety Regulations; Requirements For The Person Carrying Out The Cleaning; Signal Messages - WM aquatec UV-C LED Operation Manual

6. TROUBLESHOOTING AND ERROR RECTIFICATION

6.1 Safety regulations

Warning!
A defective UV-unitr without function can cause serious health problems or even life-threatening
effects when drinking water contaminated with pathogens.
• Operate the UV-unit only properly in accordance with this operating manual.
• Take the UV-unit out of operation immediately if you notice a faulty or ineffective operation.
• In case of a defective UV-unit, immediately provide an alternative disinfection of the water
and do not use it until this is guaranteed.
• Do not make any changes or additions to the UV-unit.
Caution!
• UV-C radiation can cause damage to skin and eyes.
• Never open the housing of the UV-unit.
• Never look into the openings of the water connections when the UV-unit is switched on.
• Only operate the UV-unit when the housing is undamaged and closed.
UV-C radiation
• Pay attention to other persons and keep them out of the danger zone
6.2 Requirements for the person performing the work
The troubleshooting of the UV-unit must either be carried out by a qualified or by a technically experienced
person (see also chapter Minimum qualifications for handling the product (p.35)).

6.3 Signal messages

Table 19 shows the signal messages that are generated as a result of the onboard monitoring.
Signal
LED green
LED green
LED red
LED red
LED red
LED red/green
Signal horn
Table 19: Signal messages
Intervall
flashes
lights up (stays lit)
flashes
lights up (stays lit)
(in operating & standby mode)
lights up (stays lit)
(only in operating mode)
flashes alternately
honks (beeps)
- 53 -
Bedeutung
System is ready for operation (standby mode)
System is disinfecting (operating mode)
Temperature error
Internal power failure
External power failure
Service life monitoring/reserve mode
Pay attention to the LED signal