Alarm Messages - Raychem TCON-Csd/20 Betriebsanleitung

7

ALARm mESSAGES

The following alarm messages can be shown in the temperature display:
Error message Cause
Display overrun
The measured value is too large
and outside the range.
Display underrun
The measured value is too
small and is outside the range.
Time for switch-on delay after
power-on has elapsed.
With display over/underrun, the
switch-on delay becomes
ineffective.
value has fallen below the low
alarm limit
value has gone above the high
alarm limit
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Elimination
• Check sensor and connecting cable for damage
• Check whether the correct sensor has been set or connected
 Chapter 4 "Commissioning the instrument"

* Cancel switch-on delay with
* depending on the controller type, check whether the heating
* Check whether the installed relay fuse is still in good
The alarm disappears as soon as the process value goes above or below
the al limits by the amount of the hysteresis.
Raychem-IM-INSTALL100-TCONCSD20-EN-1703
or short-circuit
These messages are only output to the temperature display.
or cooling unit functions faultlessly.
working order.
+
INDUSTRIAL HEAT TRACING SOLUTIONS