Watlow CAS200 - Manual (Page 81)

CAS200 User’s Guide Chapter 5: Troubleshooting and Reconfiguring
Watlow Anafaze 69
Thermocouple Break Alarm
When a thermocouple break alarm occurs, the scanner
switches to the single channel display for the channel with
the alarm and displays an alarm code on the screen.
ANASCAN or WatView displays a message on the alarm
screen and logs the alarm in the event log.
A failed sensor alarm clears once it has been acknowledged
and the sensor is repaired.
System Alarms
If the scanner detects a hardware problem, it displays a
message. The message persists until the condition is
corrected.
Table 5.1 Hardware Error Messages
Message Possible Cause Recommended Action
LOW POWER
Power supply failed. See Low Power on page 71.
BATTERY DEAD
RAM battery is dead. See Battery Dead on page 71.
HW FAILURE AMBIENT
Cold junction is too hot
Hardware failed due to exces-
sive voltage on inputs.
See HW Gain or Offset Failure
on page 72.
HW FAILURE GAIN
Hardware failed due to exces-
sive voltage on inputs. See HW Gain or Offset Failure
on page 72.
HW FAILURE OFFSET
Hardware failed due to exces-
sive voltage on inputs. See HW Gain or Offset Failure
on page 72.