mru OPTIMA 7 BIOGAS, Руководство пользователя

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MRU Instruments, Inc. USER MANUAL OPTIMA 7 BIOGAS
56
16.6 Errors
16.6.1 Error diagnosis regarding the measuring device
1. Effect 2. Error indication 3. Cause 4. Solution
Device cannot be
switched off by pressing
the OFF key. LED behind the conden-
sate separator is on and
the LCD display is dark Device does not react on any
key. Press ESC and ON simulta-
neously!
EMERGENCY OFF
After this, the date and
time have to set new.
Inside of the device is too
cold, device not ready for
operation. Display indication:
“Device too cold” or
audible sound every 5
sec..
e.g. device was stored in a
cold place during winter. Put the device to a warm
room and wait
Measuring values are not
correct Sensors already get in tough
with the gas during calibra-
tion. Vent device with fresh air
and re-start!
No measurement possible Device cannot be switched on
or does not react after being
switched on.
Battery discharge
Connect the device to the
line power in order to
charge the battery.
Measurement without
exact temperature values. Temperature indication:
- - - , - °C
Thermo element defective,
balancing network interrupted
or not connected. Call our after-sales service.
Remove probe from the
gas duct and condensate
from the probe tube.
Wrong measuring values Measuring range exceed-
ed:
Value O
2
too high
Values CO and CO
2
to low
Connection probe – device not
correct. Leakage at probe /
tube / condensate separator,
pump does not suck correctly Effect tightness test!
By visual control of probes,
tubes condensate separa-
tor, leaking parts could be
found.
Wrong measuring values Gas temperature is too
hot or alternates Probe is not plugged in cor-
rectly, defective cable in the
probe line, formation of con-
densate at the probe tip. Check probe plug respec-
tively probe line regarding
damages (loose connec-
tion), remove condensate
from the probe tip.
16.6.2 Error diagnosis regarding the condensate separator
1. Effect 2. Cause 3. Solution
Dirt and / or humidity inside the device
No filter effect
Sensor failure
Pump failure
Fine filters are wet and / or dirty. Check filters more often
Renew them if necessary
(white = OK)
Brown-black = renewal