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MAN1813-9
46
15
Trouble Shooting
Prior to conducting any trouble shooting checks it is desirable that the status of any abnormal
condition is recorded.
Fault/Status
Cause
Solution
Mains On Indicator
Is Off
Mains At Dist Board Off.
Mains Switch Off.
Cn1 On M.C.P.
Cn6 On PSU Mother Brd Discon'd.
Mains Fuse Blown.
Turn Power On.
Turn Mains Switch On.
Plug In Correctly.
Plug In Correctly.
Replace Fuse.
System
On
Batteries.
Mains At Dist Board Off.
Mains Power Failure.
Mains Switch Off.
Mains Fuse Blown.
Turn Power On, Check For Main On
Indicator When Power Is Returned.
Turn Mains Switch On, Replace Fuse.
Charger Fault
Mains Fail.
High Volts:
Charger Output Volts Above 28.5 Volts.
Voltage Normal At 28.5 Volts.
Low Volts:
Charger Output Volts Below 24.5 Volts.
Batteries Fault.
Voltage Normal At 24.5 Volts.
Ref Mains On Ind And System On
Batteries. Fault Status.
Replace Charger Module On Power
Supply.
Replace Supervisory Card On P/S.
Replace Charger Module On Power
Supply.
Replace Batteries.
Replace Supervisory Card On P/S.
Battery
Fault
Indicator On After
24 Hours.
Battery Disconnected OR Battery Isolate.
Battery Voltage Below 24.5 Volts.
Low Electrolyte.
Connect Batteries.
Replace Batteries.
Top Up Batteries.
Battery Isolate.
Main D.C. System Fuse.
Battery Cable Loose Or Disconnected.
Plug In Correctly Or Replace Fuse.
Check Connections.
Signal Fault.
PCB Signal Gen Not Plugged In Correctly.
DC Distribution Fuse Blown On Rear Of
Common Board Frame.
Synthesiser Fault.
Signal Levels Too Low.
Plug PCB In.
Replace Fuse 1 Amp.
Replace BRDEV3TG / 154-0076 Tone
Generator.
Adjust Signal Levels.
Signal Fault Comes
On Intermittently
Code Set On Dip Switch On Signal Generator
For Message Length Incorrect
Evac Or Alert Signal Levels Too Low
Set Dipswitch To Correct Code.
Readjust Signal Levels.
Comms
Fault
(Steady)
Section Of The RS 485 Loop Bus Faulty Or
Disconnected From Module.
(Cn13 And Cn14 Of Processor Brd)
Check Section And Termination Or
Field Wiring. Check Internal Comms
Connections. Ensure All Modules Are
Plugged In. Ensure Modules Installed
In Correct Order.
Comms
Fault
(Flashing)
Interruption or short on the EWS or EIS audio
bus
Inspect wiring and rectify as required
Содержание Ampac EV3000
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