Faults - WIKA Intelli Therm TGT73 Manual De Instrucciones

9. Maintenance and cleaning / 10. Faults
9.2 Cleaning
GB

10. Faults

Faults
No output signal
Constant output
signal upon change in
temperature
Too high, constant
output signal upon
change in temperature
Signal span too small
20
CAUTION!
Clean the instrument with a moist cloth.
■
Wash or clean the dismounted instrument before
■
returning it in order to protect personnel and the
environment from exposure to residual media.
Residual media in the dismounted gas-actuated
■
thermometer can result in a risk to personnel,
the environment and equipment. Take sufficient
precautionary measures.
For information on returning the instrument see chapter
11.2 "Return".
Causes
No power supply or
cable break
Transmitter incorrectly
connected
Electronics failure due to
too high power supply or
through external voltage
Power supply connected
the wrong way
(I = approx. 4.5 mA)
Transmitter fault
Electronics failure due to
too high power supply or
through external voltage
Power supply too low
Load too high
Measures
Check voltage supply
and cables. Replace any
defective components found
Check connections; correct
connections if necessary
Return the instrument to the
manufacturer for repair
Check connection, and if
necessary, swap terminals
1 and 2
Return the instrument to the
manufacturer for repair
Return the instrument to the
manufacturer for repair
Rectify the power supply
Stay within the max.
permissible load
WIKA operating instructions model TGT73