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Thermo Scientific
imPULSE S.U.M. with Touchscreen Console User’s Guide
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142
Chapter 7
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Maintenance and troubleshooting
7.5 Touchscreen Console troubleshooting
See Tables 7.1 and 7.2 for Touchscreen Console troubleshooting issues
and potential causes. For further assistance in resolving Touchscreen
Console technical issues, call +1 435 792 8500 (United States) or +44
(1) 670 734 093 (Europe, U.K.), or contact:
CAUTION: Do not open or attempt to service the Touchscreen
Console.
Servicing of the unit should only be performed by Thermo
Scientific service personnel. Servicing by anyone other than Thermo
Fisher Scientific personnel will void the system warranty.
Table 7.1. Touchscreen Console troubleshooting issues and potential causes.
Issue
Potential cause(s)
Touchscreen Console will not turn on
• Power plug or outlet is faulty
• Fuse (circuit breaker) is shut off
Touchscreen Console is stuck on the boot-up screen
• If intermittent, may be due to a read failure, which requires
rebooting
• Firmware corrupted or hardware failure
The motor will not turn on
• Motor communication cable issue
• Power to AC motor module issue
• Motor power cord issue
Mass reading is not displaying
• Load cell/load cell cable issue
• Load cell summing box issue
Mass readings are inaccurate
• Vessel size is incorrect
• Load cell calibration is inaccurate
pH readings are not displaying or the pH transmitter is
unable to recognize the sensor
• pH connection issue
• pH board issue in the Touchscreen Console
pH readings are inaccurate
• pH readings will always be displayed, even without a
sensor or cable connected
• pH calibration issue
Conductivity readings are not displaying
• Conductivity sensor issue
• Conductivity connection issue
Conductivity readings are inaccurate
• Conductivity calibration issue
• Conductivity sensor issue
BPC pressure is not reading
• Pressure sensor in BPC is not working
• Connection issue between pressure sensor and the
Touchscreen Console
BPC pressure readings are inaccurate
• Pressure sensor calibration issue
• Connection issue between pressure sensor and the
Touchscreen Console
• PCD connection issue
BPC Pressure module/PCD Pressure Module is not
pumping air into the BPC when
Start/Inflate
is touched
• Issue with air supply into the Touchscreen Console
• Issue with pneumatic solenoid valves
Touchscreen Console will not control the TCU
• Issue with TCU parameters
• Issue with TCU cordsets