Amico Alarm Valve Combo Unit Installation And Maintenance Manual page 18

Troubleshooting Guide
Symptom
Power light on the annunciator
module is ON but LED's on other
modules are not on
No audible alarm and LED's are not
illuminating
Audible signal will not silence
Alarm condition exists but LED's are
not illuminating
18 Amico Corporation
Cause
DC power cable is not connected to
the annunciator module
DC power cable is disconnected or
loose
Faulty display module
Connection of the DC power cable
from system power supply to
annunciator module is loose
Faulty annunciator module
Display module not properly
calibrated
Faulty display module
Corrective Action
Ensure that the DC power cable is firmly in its
socket on the annunciator module
Ensure that the module(s) on the Frame/Module
assembly are all connected to the ribbon-cable
Replace the annunciator module
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 alarm, replace the annunciator
module. If this does not work, try solutions to
problem #2.
Disconnect the ribbon cable from the back of the
faulty display modules) and replace the module(s)
Disconnect the DC power cable from the
annunciator module and then reconnect. If the
audible signal still persists, replace the System
Power Supply unit.
Replace annunciator module
Ensure that the system was properly ordered.
Factory default settings:
Mid Pressure:
Hi Pressure
Low Pressure
Vacuum:
Low Vacuum
High Pressure:
Hi: Nitrogen & Air
Low: Nitrogen & Air
If calibration is required, refer to setting HIGH and
LOW calibration procedure on page 13-14
Replace the display module.
60 Psi
40 Psi
12 inHg
195 Psi
140 Psi