18
Amico Corporation
Troubleshooting Guide
Symptom
Cause
Corrective Action
No audible alarm and LED’s are not
illuminating.
DC power cable is disconnected or loose.
1. Ensure that the DC power cable
from the system power supply
is connected to the annunciator
module snugly.
Depress “TEST” button. If the LED’s come
on and there is no audible, replace the
annunciator module. If this does not work,
try solutions to problem #2.
Audible signal will not silence.
Faulty display module.
Disconnect the ribbon cable from the
back of the faulty display module(s) and
replace the module(s).
Connection of the DC power cable from
system power supply to annunciator
module is loose.
Disconnect the DC power cable from the
annunciator module and then reconnect.
If audible alarm still persists, replace the
System Power Supply unit.
Faulty annunciator module.
Replace annunciator module.
Alarm condition exists but LED’s are not
illuminating.
Display module not properly calibrated.
1. Ensure that the system was properly
ordered
Factory default settings:
Mid Pressure:
Hi Pressure
60 Psi
Low Pressure
40 Psi
Vacuum:
Low Vacuum
12 inHg
High Pressure:
Hi: Nitrogen & Air
195 Psi
Low: Nitrogen & Air
140 Psi
2. If calibration is required, refer to
setting HIGH and LOW calibration
procedure on page 18/19.
Faulty display module.
Replace the display module.
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 display module by using
wiring diagram in Appendix D or E.
Defective sensor or requires calibration.
Replace the sensor module.
The ribbon cable not properly connected
to the display module.
Pull out the ribbon cable and connect
it back in again, while ensuring that it is
seated properly.
Defective display module.
Replace the display module.