Troubleshooting - BRANNSTROM BilgMon488 Instruction Manual

19 T
ROUBLESHOOTING
Symptom
BilgMon488 is switched on but
LCD remains blank.
Oil content measurement
(ppm value) remains high.
LCD display indication:
MEMORY ERROR,
MEMORY WRITE ERROR,
ERASE ERROR
LCD display indication:
Lost sensor com!
LCD display indication:
RTC malfunction!
Possible reason(s)
Power supply is erroneous.
LCD monitor is broken.
Automatic fuses blown.
Dirty senor tube.
Air is present in sample.
Excessive contaminates
present in sample (rust,
bacteria etc ...)
Memory malfunction.
Memorychip not present.
Dirty or damaged MASTER-
SENSOR contact area.
Internal time reference
stopped/malfunctioning.
BRANNSTROM SWEDEN AB
www.brannstrom.se
BilgMon488 Instruction Manual vAD 37(38)
Servicing
Check connections internally,
externally and power supply
voltages.
Order replacement part.
Disconnect externals that
might have caused the short-
circuit (f.ex. fresh water
flushing valve). Wait until fuses
have cooled down power up
the unit again.
Clean the sensor tube and
performe zero calibration (see
10.10.1 Clean cell (zero
calibration))
Correct cause of air presence.
Clean the sensor tube and
performe zero calibration
calibration (see 10.10.1 Clean
cell (zero calibration))
Correct cause of
contamination.
Clean the sensor tube and
performe zero calibration
calibration (see 10.10.1 Clean
cell (zero calibration))
Order replacement part.
Order replacement part.
Part MASTER and SENSOR
units. Clean contact surface
with mild detergent.
Replace backup battery, then
enter UTC time and date (see
16.3 RTC malfunction).