65
8015383/ZUQ7/V1-3/2020-06 | SICK
O P E R A T I N G I N S T R U C T I O N S | TRANSIC151LP
Subject to change without notice
TROUBLESHOOTING
8
8.2
LED displays on the TSA151
Fig. 43: LED displays on the TSA151 voltage supply unit
31
NONFATAL
(non-serious)
SIGNAL LEVEL LOW
Signal level low.
Check optical components for contamination.
32
NONFATAL
(non-serious)
SIGNAL CUT
Signal interrupted.
Check optical path.
Check optical components for contamination.
33
NONFATAL
(non-serious)
LASER TEMPERATURE NOT
REACHED
Laser temperature has not been reached. Check
ambient conditions (temperature).
34
NONFATAL
(non-serious)
PEAK LOST
Absorption line lost.
Not enough oxygen in enclosure.
35
NONFATAL
(non-serious)
TOO LOW SUPPLY VOLTAGE
Main supply voltage too low.
Cabling problem between transmitter and TSA151
voltage supply unit.
Check specifications for voltage supply unit and
cables. See Technical Data,
.
36
NONFATAL
(non-serious)
ANALOG OUTPUT LOAD TOO
HIGH
Analog output load too high.
Check specifications for voltage supply unit and
cables. See Technical Data,
.
37
NONFATAL
(non-serious)
NO MEASUREMENT RESULTS
No measuring results (results from other errors)
38
NONFATAL
(non-serious)
ANALOG OUTPUT RANGE
Oxygen concentration value measured outside set
output range.
Adjust the output range settings when necessary.
51
WARNING
SIGNAL QUITE LOW
Transmission (SIL) <20%
Maintenance request for optical components,
52
WARNING
EEPROM LOG&STATS
CORRUPTED
Non-critical hardware error: EEPROM protocol and
statistics erroneous.
(Contact SICK Customer Service)
53
WARNING
WATCHDOG RESET OCCURRED Reset through software error.
Error
No.
Error category Error text
Cause
Table 5: Error Table
1
2
3
LED
Significance
Action
1 Green LED
TSA151 functions normally.
–
2 Yellow LED
Protective circuit has switched the current
output off.
Switch the TSA151 off and on again.
3 Red LED
Fuse defective.
Exchange TSA151.