General Troubleshooting Procedure - GF PF220 V2 Betriebsanleitung

Troubleshooting
13.2

General Troubleshooting Procedure

Measurement differs from expected value.
Ensure the temperature is set correctly
Ensure transducers are positioned in accordance
with the recommended distance from bends etc.
Ensure flow velocity >0.1m/s
54
START
Is the display
blank?
NO
Is the display
scrambled or
hung up?
NO
Are any
status messages
shown?
NO
Unstable measurement.
Problem probably due to non-constant fluid flow.
Check the following
- the pipe data has been entered correctly
- the fluid type has been entered correctly
- the correct transducer type has been selected.
- the pipe diameter is within specifications of the
selected transducers.
- the pipe is completely full.
- the pipe surface is not corroded, or protective
surface loose.
- no particles in the fluid.
Operating Instructions
Recharge the battery
If the battery won't recharge then
YES
replace the charger (if faulty) or
return the instrument for repair.
Turn Instrument ON/OFF
If the display is still scrambled/
YES
hung up press the microprocessor
reset button. Return instrument for
repair if fault still present.
Note any active messages
Refer to the messages table in
YES
this chapter to interpret the
message and view suggested
response
No (or poor) signal.
Ensure that the transducer cables are
connected correctly
Ensure that sufficient acoustic couplant has been
applied to the transducers.
If triple reflex mode is selected, try selecting
double or single reflex instead.
Check the instrument using the test block.