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21
Troubleshooting
FACTORY DEFAULT SETTING GAS
Mid Pressure
Hi
=
60 psi
Low
=
40 psi
Vacuum
Hi
=
32 inHg
Low
=
12 inHg
High Pressure
Hi
=
195 psi
Low
=
140 psi
Symptom
Cause
Corrective Action
Gas reading incorrect
Loose connection of DISS fittings
Ensure that the sensor module is properly
connected to the DISS demand check-
valve.
Sensor module is not properly wired to
the display module
Ensure that the sensor module is properly
wired to the LCD alarm by using wiring
diagram in Appendix D or Appendix E.
Requires calibration
Re-calibrate pressure reading (see pg. 11,
step 9 - iv, "CURRENT OFF SET").
Defective sensor
a. Disconnect the sensor and make
sure there is no moisture or water. It
is recommended to check the filter.
b. Replace the sensor module.
Defective LCD display
Replace the LCD alarm.
Display shows “NO SENSORS” or "MISSING" No sensor(s) are connected to the LCD
alarm
Make sure sensor module(s) are
connected to LCD alarm (see Appendix D
and Appendix E).
Program not set up
Press setup and select button to program
all connected sensors (see pg. 11, step 9).
Faulty sensors
Replace sensors.