Zuzi UV-VIS 4481/1 Manual De Instrucciones página 41

2. The power on self-test fails II
Failure
The tungsten lamp doesn't work properly.
1. The tungsten lamp is broken
2. The circuit board for tungsten lamp is bro-
ken
- The tungsten lamp is aging
The energy of
tungsten lamp fails
- The circuit board for tungsten lamp is bro-
ken
- The circuit board of CPU is broken
- There is an object which obstructs light in
the sample chamber
- The light from tungsten lamp doesn't pro-
The positioning ject into slit
of wavelength fails
- The tungsten lamp is aging
3. The halogen lamp doesn't work properly
Failure
- The halogen lamp is not properly connec-
ted with the lamp holder
The halogen lamp
doesn't shine (with
- Halogen lamp is broken
about 11,5V DC)
- The circuit system of halogen lamp is bro-
ken
- The halogen lamp has been used for a very
long time (The glass gets dark)
The halogen - The light from halogen lamp doesn't pro-
lamp shines ject into slit
- There is an object which obstructs light in
the sample chamber
4. The graph and data cannot be printed
Failure
- The printer is not turned on
- The cable between main device and printer
is not well connected
The display is right
- There is something wrong with the output
system of main device
- There is something wrong with the printer
The printer does-
- The printer is broken down
n't work properly
Manual de instrucciones 54481001
Cause
Cause
Cause
Pág. 41
Troubleshooting
1. Replace with a new lamp
2. Repair the power supply circuit
- Contact with Zuzi Technical assistance
department
- Replace the broken lamp
- Repair the preamplifier
- Repair the circuit board of CPU
- Remove the object
- Adjust the position of source lamp
- Replace the lamp
Troubleshooting
- Get it well connected
- Replace with a new lamp
- Fix the circuit system
- Replace with a new lamp
- The motor which switches the source lamp
fails to work properly
- Remove the object which obstructs light
Troubleshooting
- Turn on the printer
- Get the cable well connected with both
ends
- Fix it
- Fix the printer
- Replace printer
Version 1 December 2015