Kamstrup MULTICAL 402, Техническое описание, Страница: 110 / 113

MULTICAL® 402
110
Kamstrup A/S · Technical Description · 5512-742_M1_GB_01.2016
16 Troubleshooting
MULTICAL
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Should you, however, experience an operating problem, the table below can be used for troubleshooting.
402 has been constructed with a view to quick and simple installation as well as long and reliable
operation at the consumer.
Repairing the meter, if needed, we recommend only to replace battery, temperature sensors and communication
modules. Alternatively, the whole meter should be replaced.
Major repairs must be made by Kamstrup A/S.
Before sending us the meter to be repaired or checked, please use the error detection table below to help you
clarify the possible cause of the problem.
Symptom Possible reason Proposal for correction
No display function (empty display) Power supply missing Change battery or check mains
supply. -Does the supply plug
provide 3.6 VDC?
No energy accumulation (e.g. MWh)
and volume (m
3
Read “INFO” in the display
)
Check the error indicated by the
info code (see paragraph 7.8)
If “INFO” = 0
⇒
Check that the flow direction
matches the arrow on the flow
sensor
If “INFO” = 4, 8 or 12
⇒
Check temperature sensors. If
defective, replace the sensor set.
Accumulation of volume (m
3
Flow and return sensors have been
interchanged in either installation or
connection ) but not
of energy (e.g. MWh)
Mount the sensors correctly
The heat/cooling cutoff
θ
hc
Reconfigure
θ
has been
configured too low
hc
at a suitable value,
or configure
θ
hc
Incorrect temperature reading
at 180°C, thereby
disconnecting the cutoff function
Defective temperature sensor
Insufficient installation
Replace the sensor pair
Check the installation
Temperature indication a little too
low, or accumulation of energy (e.g.
MWh) slightly too low Bad thermic sensor contact
Heat dissipation
Too short sensor pockets
Place the sensors at the bottom of
the sensor pockets
Insulate sensor pockets
Replace by longer pockets