Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 4-112 P/N 196515 (Revision A)
Stop! The Temperature
Controller is not
root
cause of the fault.
Does the resistance
read 105 to 110
ohms?
Enter FmNT Heater
Terminal screen.
Does PV fail to
stabilize at the SP or
does Message Column
display T/C Open
With Heater Block at ambient
room temperature (15 to 25 °C),
measure resistance between
RTD Connector Pins specified in
Table 1.
Between Pin 5 and Pin 6
Connector Pins
Table 1
Contact Asymtek
Technical Support
Heater Tooling has failed.
Yes No
Yes
No
Stop! The Temperature
Controller is not
root
cause of the fault.
Does the resistance
read 105 to 110
ohms?
Does the resistance
read 105 to 110
ohms?
Enter FmNT Heater
Terminal screen.
Does PV fail to
stabilize at the SP or
does Message Column
display T/C Open
Does PV fail to
stabilize at the SP or
does Message Column
display T/C Open
With Heater Block at ambient
room temperature (15 to 25 °C),
measure resistance between
RTD Connector Pins specified in
Table 1.
Between Pin 5 and Pin 6
Connector Pins
Table 1
Between Pin 5 and Pin 6
Connector Pins
Table 1
Contact Asymtek
Technical Support
Heater Tooling has failed.
Yes No
Yes
No
Diagram Sheet 4-8-13
Heater Fault Isolation Procedure – Temperature Controller Verification