User Manual & Datasheet V 1.2
•
Release the Enter Key after 2 blink to OFF the
Pump
Control Logic
.
18
Indication of Output Options
Depending on the selection mode for output, the two re-
lay outputs can also operate independently for two different
switch points. Refer to Order Code
•
All keys should be in the OPEN position.
•
To see the output mode, press and hold ENTER key.
•
If the only the first LED lights up, Casper is operating
in the single point switching mode without material.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 41: Single Point Switching without Material
•
If only the 2nd LED light up, then the instrument is op-
erating in the single point swithing mode with material.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 42: Single Point Switching with Material
•
If only the 3rd LED light up, then the instrument is op-
erating in the two point swithing mode.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 43: Two Point Switching
•
If 3rd & 4th LED light up, then the instrument is operat-
ing in the pump control logic.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 44: Pump Control Logic
19
Error Indication
On error, the status LED starts blinking RED and GREEN
alternately at a faster rate. Normal LED blinks are always
at the rate of 1 blink per second, in either RED or GREEN
color. In some cases, a GREEN or a RED blinking could
indicate an error. Refer to Table 5 for a list of errors and
their indication.
INDICATION
DESCRIPTION
TROUBLESHOOTING
RED-GREEN
Blinking
Calibration Error
Recalibrate the instru-
ment, make sure that
the probe is calibrated
in an empty metal-body
tank.
RED Blinking
Probe Short-
Circuit
Moisture deposition in
the probe connector.
Clean the connector and
use the instrument.
GREEN
Blinking
Probe Open
Remove the electronic
insert from the hous-
ing and check the ca-
ble connections of the
probe.
3 Times
GREEN
Blinking and
1 Red Blink
Illegal Key Com-
bination
Switch all DIP switches
to open position. Use
only legal combination
of keys.
3 Times RED
Blinking and
1 GREEN
Blink
Circuit Error
Contact the Customer
Support department at
Sapcon.
Table 5: Error Indication
Sapcon Instruments Pvt.Ltd.
®
17