BLACKBOX 130 UL INSTRUCTION MANUAL
86
CHAPTER 6 TROUBLESHOOTING
This section describes many common symptoms, with suggestions as to
what to do. If the issue persists, please contact your local Pulsar distributor.
SYMPTOM
WHAT TO DO
No reading being obtained,
transducer not firing.
Check power supply. Check wiring to
transducer.
Incorrect reading being obtained
for current level.
Measure actual distance from transducer
head to surface of material. Enter Program
Mode and directly access P21 (Set
Distance) type in the measured distance,
press ENTER, when prompted press ENTER
again, wait until SET displayed. Return to
Run Mode, display should now update to
correct reading.
Material level is consistently
incorrect by the same amount.
Check empty level (P105), display offset
(P802), and measurement offset (P851).
LED’s change colour at relevant
relay switch points but relays do
not change state.
Check supply to unit and ensure voltage
selector set to correct position.
