Thermo Scientific
imPULSE S.U.M. with Touchscreen Console User’s Guide
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143
Chapter 7
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Maintenance and troubleshooting
Table 7.2. Touchscreen Console troubleshooting issues and potential causes (continued).
Issue
Potential cause(s)
Touchscreen Console has multiple breaker trips within a 4
hour window
• Inadequate power supply; ensure that no other device is
sharing the power outlet
• Too much power consumed by devices (defective or
otherwise) connected on auxiliary power outlets; remove
device(s) to identify defective component
Touchscreen Console HMI screen is unresponsive
• Issue with software
• Issue with electrical hardware
Touchscreen Console does not recognize USB drive
• USB drive is not in FAT format
• Electronics hardware issue
Touchscreen Console will not control pinch valve
• Incorrect pinch valve feedback and control connection
• Pressurized air inlet issue
Touchscreen Console will not control external device
(4-20 mA output)
• Issue with parameters on external component
• Issue with cordset
Touchscreen Console fails to recognize auxiliary input
4-20 mA input)
• Issue with external 4-20 mA supply
• Issue with cordset
Auxiliary breaker has multiple breaker trips within a 4 hour
window
• Overload of auxiliary plugs
• Issue with breaker
Temperature readings are not displaying or fail to recognize
a sensor
• Issue with RTD
• Issue with cordset
Temperature readings are inaccurate
• Issue with RTD
• Temperature calibration is inaccurate
Digital communication protocol is not working
• Issue with software
• Issue with cordset
External E-Stop is not recognized
• Issue with cordset
• Issue with E-Stop circuit
E-Stop buzzer will not turn off
• Issue with E-Stop reset circuit
• Issue with buzzer
E-Stop buzzer will not turn on when the E-Stop button is
pressed
• Issue with buzzer
• Issue with E-Stop circuit
Auxiliary power outlets are not working
• Auxiliary breaker may have been tripped
• Issue with power cord
Overtemperature warning
• Issue with exhaust fan
• Issue with inlet filter
HMI is slow to respond or is lagging
• Issue with firmware
DC motor overtemperature
• Issue with cooling fan
• Issue with wiring