WIKA SB15 Mode D'emploi page 19

6. Faults
Faults
Wrong measured
value display
The instrument does
not switch off at the
desired temperature
Instrument inoperable
Actual value pointer
below the start
of the measuring
range, no reaction to
temperature change
Monitored plant goes
into error mode
WIKA operating instructions models SB15, SW15
Causes
Influence of the ambient
temperature on case and/or
measuring line too strong
Zero point offset
Probe not completely
immersed into the medium
being measured
Measuring instrument used
outside the specification
(defective micro switch)
Wrong measured value
display
Wrong electrical connection
Loose electrical connection
Cable break or short circuit
Leakage in the measuring
line
Measuring line break
Measuring line break
Temperature of the medium
to be monitored too high
Measures
Re-position the case and/or measuring
line or isolate them from the influence of
cold/heat from the outside
Send the measuring instrument back to
the manufacturer
Correct mounting situation
Send the measuring instrument back to
the manufacturer
Send the measuring instrument back to
the manufacturer
Correct the connection
Check all electrical connections
Check power supply
Send the measuring instrument back to
the manufacturer
Send the measuring instrument back to
the manufacturer
Send the measuring instrument back to
the manufacturer
Model SB15:
Eliminate the cause of the overheating,
restore the safe operating condition, then
unlock (see chapter 5.7 "Unlocking and
restoring the operating state")
Model SW15:
Eliminate the cause of the overheating,
restore the safe operating condition,
SW15 switches back automatically
EN
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