4.8 Fan System And Errors - Thermo Scientific BB 150 User Manual

4.8 FAN SYSTEM AND ERRORS

Short description:
DC motor (nominal voltage: 24 V; operating voltage: 12 V) mounted on the sensor
block. Located outside the sample chamber.
The fan speed is adjusted to the various operating modes by pulse package control:
Incubation mode:
Decontamination mode:
The fan runs continuously.
After a mains reset or when the door is closed, the fan runs at maximum speed for 2
sec., even in the incubation mode.
Fan control
Errors in the fan system
Error Faulty function
code
- Fan not rotating.
Name
Prepared
Index Name
50078923_04_CN
File
Low speed
Maximum speed
Inspections and tests
LED LD1 on the sensor
Check the solder
Date
JF 05.07.13
Date
board must be flashing or lit.
connections.
Service Manual BB 150
Possible
corrective
actions
Replace the
sensor block.
Designation
Document No.
50 079 823
Page
31/ 31