Setpoint
Undertemp.
fault
Undertemperature fault
2 °C
D
Setpoint
Overtemp.
fault
Overtemperature fault [1]
2 °C
Setpoint
Overtemperature fault [2]
245 °C
475 °F
2 °C
D
Troubleshooting
6-8
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
Triggering and Resetting Alarms (contd.)
Undertemperature and Overtemperature − Fault −
Alarm Triggered
Alarm Reset
Undertemperature Fault Triggered
The temperature has fallen below the setpoint by more than the differential
value (D) Undertemperature fault delta for longer than 5 seconds.
Automatic Reset
The temperature has exceeded the setpoint minus the differential value (D)
Undertemperature fault delta by 2 °C (3.6 °F).
Overtemperature Fault Triggered
[1] The temperature has exceeded the setpoint by more than the differential
value (D) Overtemperature fault delta for longer than 5 seconds.
or
[2] 245 °C (475 °F) was exceeded for longer than 5 seconds.
Automatic Reset
[1] The temperature has fallen below the setpoint plus differential value (D)
Overtemperature fault delta by 2 °C (3.6 °F).
or
[2] The temperature has fallen below 243 °C (471 °F).
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