ZP3-ECU Maintenance Manual
Doc. No. 503-0800ZE-M-01
Issue 1 (01/08/2006)
Page 17
If a LED comes on, it indicates a fault in the extinguishing system as described in Table 1.
Table 1: ECU Fault Diagnostic LED’s
LED Cross
Reference
Remarks
Ext. Pressure
Low
Refer to “Extinguishant Pressure Faults”
-
Fire Bell Fault
Refer to “Fire Bell Fault” on page 13
-
Detonator
Fault
Refer to “Extinguishant Actuator Faults”
Make sure the ECU is NOT in the
Locked-off state.
Extinguishing
Bell Fault
Refer to “Extinguishant Discharge Siren
Fault” on page 14
-
Ext. Relay
-
The Ext. Relay comes on when its
configured address is activated
Relay
-
The Relay LED comes on when its
configured address is activated