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Verfügbare Sprachen
4.1. Alarm Messages
The following alarm messages can occur during operation:
AL 1 » UV lamp failed
AL 2 » UV intensity less than 55 % of set value
AL 3 » End of lamp life (days of use = 0)
AL 4 » UV intensity between 55 % and 70 % of set value
AL 5 » UV lamp life < 30 days of use
Alarm 1
• UV lamp has not ignited
• UV lamp is defect
• Lamp failure LED is lit up
» Check plug connection of UV lamp
» Remove transparent cap as described and fit it once more
» Insert new UV lamp
» Have ballast checked by authorized service technician
Alarm 2
• Quartz sleeve is dirty
• Sensor is dirty
• End of UV lamp life (due to frequent switching on and off)
• Unit has been operated too long without flowing water (reactor is heated up)
• Lamp filament wiring is in front of the sensor window
» Disassemble quartz sleeve as described in section 2.1.2.1. and clean with a cleaner
» Disassemble sensor and clean sensor window
» Avoid frequent switching on and off, as the unit has been designed for
continuous operation
» Switch unit off and let it cool down
» Turn transparent lamp connector by 45°
Alarm 3
• End of UV lamp life
» Install new lamp (Use only original WEDECO spare parts)
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