PCI MicroTrans EQ, Руководство по эксплуатации и техническому обслуживанию

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MicroTrans
EQ
Operation & Maintenance Manual
Paragon Controls Incorporated 37 Revision Level 012
11. TROUBLESHOOTING GUIDE
TROUBLESHOOTING TABLE
SYMPTOM SOLUTION
1. No Display or Back Light 1. Verify ON/OFF switch is in ON position
2. Verify correct input power and connection at 3 pin
connector J1
3. Contact Factory
2. Display background is too dark or
characters are too light.
1. Adjust RP1 Display potentiometer located in the
upper left hand corner of the board. See
Section 6.3
3. Display does not respond to input
pressure changes and Key pad
functions.
1. Reset the unit by turning the ON/OFF switch OFF
and back ON.
2. Contact Factory
4. Display does not respond to input
pressure changes but does respond to
Key pad functions.
1. Verify pneumatic input lines are not reversed at the
MicroTrans
EQ
ports or the sensing element.
2. Use a pneumatic gauge to measure the pneumatic
signal input to the MicroTrans
EQ
. Verify the
signals are within the Op. Range Value shown on
the label located on the side of the enclosure.
3. Contact Factory
5. Display does not respond to Key Pad
functions
1. Reset the unit by turning the ON/OFF switch to
OFF and then ON.
2. Contact Factory
6.
CAUTION INPUT OVERRANGE
message on Display
1. Verify data on ID Label located on side of
MicroTrans
EQ
is correct for the application.
2. Remove pneumatic signal lines. If display returns
to 0 reading, use a pneumatic gauge to measure the
pneumatic signal. Verify input signal is equal to or
less then the Op. Range D.P. Value on the ID
Label. If the display does not return to 0, a
pneumatic tube may be plugged by moisture
underneath the PC board. Consult the factory.
3. Verify menu selections are set correctly:
Operating Range, Flow Correction, Temperature
Compensation, Area Factor, and Altitude