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Mend Citadel Home Alarm Systems

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citadel xri?

my citadel xri is making a buzzing noise, how can i fix it? thanks.

john barr
September 2011
CitadelSecurity Systems, Home Alarm Systems
It's called transformer hum.

acorn
September 2011
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citadel xr2?
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Citadel xr2?
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Citadel XR2 Battery replacement?
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Citadel xr alarm?
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citadel xr2+ tamper mode?
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Delay alarm going off citadel?
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does a citadel xri have two battery's?
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alarm?
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Citadel XR2 upstairs remote?
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attack alarm?
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Citadel xr2 constant alarm!!?
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citadel xr2 alarm fault. please help!!?

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