Trouble Shooting
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6.17 “Energy too low” warning
Energy too low
The wavelength at UV area?
Used quartz
cuvette?
Y
The reference or sample
solution have high absorbency
against air?
N
Replace cuvette
N
Anything block off the beam in
the sample compartment?
N
Take it away
Y
Dilute reference or sample
solution
Y
Y
Replace tungsten lamp(Vis
area) or deuterium lamp(UV
area)
Filter positioning OK?
Refer 6.5
N
N
Light source positioning
OK?
Y
Refer 6.6
N
Y
Y
Tungsten lamp on
Refer 6.1
N
Deuterium lamp on
Refer 6.2
N
Y
N
The reference or sample
solution have high
absorbency against air?
Summary of Contents for SQ Series
Page 5: ......
Page 8: ...Introduction 3 Figure 1 5 Model UV 4802...
Page 12: ...Layout 7 Figure 3 2 Layout of UV 2800 Inside Bottom View...
Page 13: ...Layout 8 39 40 41 42 43 Figure 3 3 Layout of UV 2800 Top View...
Page 14: ...Layout 9 230V 44 45 46 47 48 49 50 51 Figure 3 4 Layout of UV 2800 Back View...
Page 18: ...Layout 13 Figure 3 7 Layout of UV 2802 S UV 2802PC S Inside Bottom View...
Page 19: ...Layout 14 43 44 45 46 47 Figure 3 8 Layout of UV 2802 S Top View...
Page 20: ...Layout 15 230V Figure 3 9 Layout of UV 2802 S UV 2802PC S Back View...
Page 23: ...Layout 18 Figure 3 11 Layout of UV 3802 Inside Bottom View...
Page 24: ...Layout 19 44 45 46 47 48 Figure 3 12 Layout of UV 3802 Top View...
Page 25: ...Layout 20 230V Figure 3 13 Layout of UV 3802 Back View...
Page 28: ...Layout 23 Figure 3 14 Layout of UV 4802 Inside Top View...
Page 29: ...Layout 24 Figure 3 15 Layout of UV 4802 Inside Bottom View...
Page 30: ...Layout 25 43 44 45 46 47 Figure 3 16 Layout of UV 4802 Top View...
Page 31: ...Layout 26 230V Figure 3 17 Layout of UV 4802 Back View...
Page 35: ...Optical 30 Figure 4 3 Optical System schematic diagram of UV 4802...
Page 49: ...Electronic System 44 Figure 5 13 Layout of Main CPU PCB...
Page 63: ...Trouble Shooting 58 6 Trouble Shooting 6 1 Tungsten lamp off...
Page 69: ...Trouble Shooting 64 6 8 Slit check failed Only for UV 2802S UV 2802PCS...
Page 72: ...Trouble Shooting 67 6 13 Get dark current for a long time...
Page 74: ...Trouble Shooting 69 6 15 Backlight OK but display nothing on LCD Display...
Page 77: ...Trouble Shooting 72 6 18 No DC 12V on PCB SST8 412 113...