v 2.0 — March 2023 Altanium Delta5
312 Basic Troubleshooting
No Connection, T/C Thermocouple circuit is broken.
Bad thermocouple.
Card is not seated.
Card is not calibrated.
Card is nonfunctional.
Zone far beyond 1100 °F or 600 °C.
Short the thermocouple input and it
should show an ambient
temperature on the operator
interface. If it does, the problem is
possibly a wiring issue. Inspect the
cables and mold for a bad
connection or broken thermocouple.
If the shorted thermocouple input
does not show an ambient
temperature, the problem is possibly
a loss of calibration or a
nonfunctional card. Recalibrate the
zone and if this does not work,
replace the card.
Temperature
Shows 0 °C (32 °F)
No communication with the card. Refer to the Read Time Out error
solution.
No Screen Bad touch monitor or computer.
Missing phase.
Do a check of the supply to the
controller to make sure there is not a
missing phase.
Replace the touch monitor with a
known good unit to see if the image
is restored. If so, replace the bad
touch monitor.
Replace the computer with a known
good unit to see if the image is
restored. If so, replace the bad
computer.
Table 16-5 Troubleshooting Procedures (Continued)
Problem Possible Causes Solution
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