50461/GTEX MMC/1111
UTImeter Gtex MMC
47
11.4 Ullage and/or Interface troubles
Symptom Origin
Action Section
Buzzer switched off or
Press on "-" to reactivate it
9.6
Key-pad defective or
Pressing on "+" has no action
Change the display unit
10.7
The buzzer does not
beep when the unit is
switched on
Buzzer defective
Press on "+": "Settings" is displayed
Change the display unit
10.7
The buzzer tones
continuously when the
sensing probe is in air or
liquid or water
Battery too low
Change the battery
10.3
The buzzer gives the
water signal whatever
liquid is gauged
Sensing head
contaminated by
conductive residues
Wash, clean and brush (soft brush) the
sensing head or
change the sensor
---
10.5
The buzzer gives the oil
signal in water
Sensing head
contaminated by non
conductive residues
Wash, clean and brush (soft brush) the
sensing head or
change the sensor
---
10.5
11.5 Temperature
troubles
Symptom Origin
Action Section
"> 90°C" or "> 194°F"is
displayed
Temperature to high
The temperature range shall be < 90°C /
194 °F
---
"< -40°C" or "< -40°F" is
displayed
Temperature too low
The temperature range shall be > -40
°C/F
---
Heated viscous liquid
(such as heavy crude
oils)
Check the stability in cold and hot water;
if it is OK the problem is with the gauged
liquid and not with the probe
---
Temperature does not
stabilise
Contaminated sensing
probe
Clean the temperature electrode; remove
any residues or sludge; check the stability
in cold and hot water
---
11.6 Visual inspection for damaged or missing parts
General condition: missing parts
Display unit: 5-key control pad, buzzer, front face, LED, screen
Sensing probe: sensors broken, smashed or damaged
Tape: check at least the first 3 m; wires still insulated, no breaks, no kinks, ...
Mechanical parts: check housing, lid, axle, storage tube, wipers of tape cleaner, window wiper
