Chromalox 2104 User Manual

Chromalox 2104 Technical Manual 57
Probable Cause Control Output Response Display
Sensor fails Defaults to preset (0-100%)
(short circuit, RTD only)
If the RTD sensing device fails shorted, the controller defaults to the preset output
condition (0-100% ORNG setting selected on the CTRL PAGE menu) and uses both displays
to indicate OPEN SENS. The Loop alarm is not activated for this condition. Alarms selected
as Low, High-Low, - Deviation or +/- Deviation will actuate if selected.
Probable Cause Control Output Response Display
Controller Self Diagnostic Defaults to preset (0-100%)
(signal conversion)
If a failure occurs in the signal conversion circuit of the controller, the controller defaults
to the preset output condition (0-100% ORNG setting selected on the CTRL PAGE menu)
and displays ERR4 on the lower display. Loop Alarm Output (Output #3, #4, or #5) will be
activated if selected.
Probable Cause Control Output Response Display
Controller Self Diagnostic Turns control output off
If a failure occurs in the control circuitry of the controller, the control output will be turned
off and ERR3 will be displayed on the lower display. Loop Alarm Output (Output #3, #4, or
#5) will be activated if selected.
Figure 6.1 CLP Loop Alarm Conditions (continued)
SENSSENS
SENSSENS
SENS
OPENOPEN
OPENOPEN
OPEN
Flashing
EE
EE
E
RRRR
RRRR
RR
44
44
4
88888888
88888888
8888
Flashing
EE
EE
E
RRRR
RRRR
RR
33
33
3
88888888
88888888
8888
Flashing

Chromalox 2104 Specifications

General

Brand	Chromalox
Model	2104
Category	Temperature Controller
Language	English