Menu
ACR Electronics 2204 Product Support Manual
Also see for 2204: Product support manual
          | |
Y1-03-0014 Rev. AB. Remove the pin that activates the siren. If the alarm is of normal amplitude and soundcharacter, the amplifier and siren circuitry are functioning properly. If the amplificationis low, check the batteries and then the amplifier. If the sound character is abnormal,check the batteries and then the siren circuitry. (ACR/EM-1A only)3. If no sound is heard, remove the microphone and mouthpiece assembly and thebatteries. Check that both the microphone and battery contacts are clean. If not, cleanwith a mild, non-abrasive cleaner such as alcohol.4. Test amplifier and speaker assembly by replacing the microphone with a sparemicrophone assembly. If no sound can be produced after microphone replacement, itmay be assumed that the amplifier or speaker assembly is defective.5. To test the speaker, disassemble the speaker. Unplug the wires and apply 1 ½ voltsintermittently across the speaker. If no clicks are heard, the speaker is defective.Possible faults and corrections are summarized below for ready reference.TROUBLE POSSIBLE CAUSE CORRECTIONNo sound from speakerwhen handle is squeezed(Step 1)Exhausted batteries, defectivemicrophone, speaker oramplifier assemblyReplace defective componentNo siren when alarmpin is pulled (Step )(ACR/EM-1A only)Exhausted batteries, defectivesiren circuitry or defectiveamplifierReplace defective componentSound is abnormally low ordistortedExhausted batteries or wrongpolarity of battery seriesCheck proper insertion ofbatteries or replace batteries.Speaker does not respond toStep 5Defective speaker Replace speaker4.2 RepairThe megaphone consists of three major sub-assemblies; the microphone and mouthpieceassembly, the megaphone sub-assembly, and the horn and speaker assembly. Repairs arerestricted to the replacement of these defective sub-assemblies or the batteries and lanyardassemblies.SECTION 5 – DISASSEMBLY & ASSEMBLY5.1 DisassemblyMegaphone should be disassembled for repair or replacement of components only.1. Remove microphone and mouthpiece assembly (1) by removing the three setscrews ().. Remove battery cells (3) from the three tubes by tilting megaphone to allow cells todrop out into the hand.3. Unplug alarm plug pin (5) from side of housing. (ACR/EM-1A only)4. Remove volume control knob (4) (pulls off).5. Remove the three oval head screws (10) at periphery of the speaker end of thehousing (14).. Extract speaker () and megaphone assembly (9) by firstly turning horn (17) clockwise45°. Pull entire assembly gently until it stops. Turn horn (17) counterclockwise 45°then pull the entire assembly out.7. Separate Speaker Assembly () and Megaphone Subassembly (9) by firstlyunplugging the speaker wires from the “out” header. Remove hex screw that holds theassemblies together.8. FURTHER DISASSEMBLY IS NOT RECOMMENDED. |
Related manuals for ACR Electronics 2204
This manual is suitable for:
Product
Learn More
Legal
Copyright © 2024 OneStart. All Rights Reserved