KermaX-plus
®
Chamber | Service and Technical Support | 41
Sprays could cause damage to electrical parts or create a flammable air / vapour mixture.
Phenol based disinfectants and chlorine releasing preparations can weaken materials and are
generally not recommended.
CAUTION
INCORRECT CLEANING CAN REDUCE THE LIGHT PERMEABILITY
Incorrect cleaning can lead to a reduction of the light permeability of the chamber
or other malfunctions.
8.4. Troubleshooting
The following troubleshooting table may help in resolving problems.
Interface is not functioning
1. Check the inter connections by disconnecting and reconnecting the cables.
2. Check power supply
3. Check the communication with another counter Interface / display.
Wrong DAP value indicated
1. Check whether the X-ray beam is penetrating the chamber correctly.
2. Check the field size setting.
3. Remove additional filtration.
4. Compare indicated values with independent dosimeter as described in the
verification procedure.
5. If none of the above remedies help return the chamber to the factory for service
and repair.
No DAP count during
irradiation
1. Check collimator opening.
2. Check if chamber is connected and powered.
Random counting without
radiation
1. Check for humidity in chamber. Dry for 24 hours and retry.
2. Check for electrical interference. If necessary call service engineer.
1. Check for dirty chamber plates dirty and clean as per cleaning instructions.
1. Check if ambient temperature is too high or too low.
2. Check once more when normal working temperature is reached.
1. Check for additional absorber in the beam and remove.
2. Check if the same beam quality as for the previous calibration was used.
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