Thermo Scientific Barnstead Pacific TII 7 Operating Instructions Manual page 96

15
Trouble Shooting
Error
Error message:
"Lim. Val. pure w."
Error message:
"UV Duration"
Error message:
"Pretreatment"
Error message:
"Meas. Cell LF1"
Error message:
"Meas. Cell LF2"
Error message:
"Temp. Meas. Cell"
Error message:
Meas. Cell LF3",
Pacific Water Purification Systems
86
Cause
• Filter cartridge exhausted
• Limiting value set too low
• The max. operating hours of the UV
lamp have been exceeded
• The max. operating hours of the
pre-treatment have been exceeded
• Break in the measuring cell cable
• System control defect
• Conductivity of pure water outside the
measuring range
• Break in the measuring cell cable
• System control defect
• Conductivity of the feedwater outside
the measuring range
• Break in the measuring cell cable
• System control defect
• Break in the measuring cell cable
• System control defect
Remedy
• Replace the DI cartridge
(Art.-no.: 09.4011)
• Check/adjust limiting value
• Replace the UV lamp and reset the operating
hours counter
• Replace the pre-treatment and reset the
operating hours counter
• Replace the measuring cell
• Replace the system control
• See "Resistance < 18.2 MΩ·cm
• Replace the measuring cell
• Replace the system control
• See "Feedwater limiting value"
• Replace the measuring cell
• Replace the system control
• Replace the measuring cell
• Replace the system control
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