Protec EVC40 - Troubleshooting Common Faults; System Fault Indications; Control Loop Faults (CCL); Outstation Loop Faults (OCL)

93-346-80 Issue 4 © Copyright Protec Fire Detection PLC 2011
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10 Trouble Shooting
Fault Indications
Battery Fault
 Batteries Disconnected
 Batteries over voltage
 Batteries under voltage
Supply Fault
 No incoming 230V
PSU Temp Fault
 Temperature sensor on PSU damaged or missing.
Buzzer Disabled
 Check slide switch on rear of the PDP
Outstation Fault (was Handset Fault)
 Outstation speaker disconnected
 Outstation MIC short circuit.
Device Missing
 Outstation no longer communicating with main panel
CCL Core Break
 The control loop is open circuit between the two panels reporting the fault
Using log panels you can view where the break is. In this example between panel 1 and 2
CCL Screen Break CHx
 The screen cable on the control loop is disconnected between the two panels reporting the fault
OCL Screen Break
 The screen cable on the outstation loop is disconnected
OCL Core Break
Open Circuit Fault
Outstation loop open circuit, use log loop to find the open circuit fault. Open circuit will be between the
last ‘R1’ and the next ‘R2’. DO NOT SAVE ANY CHANGES.
3 PANELS FOUND, NO CHANGE
1 2 3 4 5 6 7 8 9 10
(01-10) @ R1 R1 - - - - - - -
PRESS ENTER: SAVE, 1: RE-LOG AND 0: EXIT