Error Codes - Landis+Gyr ULTRACOLD 2WR6 Series Manual

Error codes

10 Error codes
The meter continuously runs a self-diagnosis and can thus recognize and dis-
play various installation or error messages.
Error
code
FL
Incorrect flow direction
neG
DIFF Negative temperature dif-
nEG ference
F0
No flow can be measured
Interruption in the hot side
F1
temperature sensor
Interruption in the cold side
F2
temperature sensor
Electronics for temperature
F3
evaluation defective
Problem with the power
F4
supply; battery flat;
Short-circuit hot side tem-
F5
perature sensor
Short-circuit cold side tem-
F6
perature sensor
F7 Fault in internal memory
Errors F1, F2, F3, F5 or F6
for longer than 8 hours,
recognition of attempts to
F8
manipulate. No further
measurements are carried
out.
F9 Fault in the electronics
Error
Check flow or installation direction;
correct if necessary
if applicable alternating with:
Check installation point of the tem-
perature sensors; exchange if nec-
essary
if necessary in exchange with:
Air in the measurement unit bleed air
from line (delivery condition)
Exchange the meter
Exchange the meter
Exchange the meter
Exchange the meter
Exchange the meter
Exchange the meter
Exchange the meter
Measure dependent on error code.
Error message F8 must be reset by
service department.
Exchange the meter
Service guidelines
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