TEL AFA 500 T ROUBLESHOOTING GUIDE
!
Problem( No(Lights(
Check(for…(
Power(cord(plugged(securely(into(back(of(monitor( Power(supply(plugged(into(outlet( Correct(voltage(to(outlet(
Green(light(blinking(
Unit(may(be(in(“permanent(horn(silence”(mode.(Press(and(hold(ENTER(and(SET(buttons( for(10(seconds.( Unit(may(be(in(Night(Setback(mode.(This(mode(is(activated(by(sending(an(external(signal( into(the(relay(input(in(the(back(of(the(monitor.(Unit(will(return(to(normal(operating( mode((solid(green(light)(when(Night(Setback(mode(is(deactivated(by(external(signal.( Unit(is(in(calibration(mode.(To(calibrate,(move(sash(to(a(position(that(gives(face(velocity( equal(to(the(desired(alarm(point(and(perform(single(point(calibration((press(and(hold( ENTER(and(SET(button(together(for(five(seconds(to(initiate(air(sampling).( Unit(is(in(alarm(mode(and(horn(is(temporarily(silenced.(Lower(the(sash(to(generate( greater(face(velocity,(then(raise(sash.(When(the(face(velocity(goes(below(the(alarm( point,(you(should(then(get(a(solid(red(light(and(the(horn.( Unit(may(be(in(Night(Setback(mode.(This(mode(is(activated(by(sending(an(external(signal( into(the(relay(input(in(the(back(of(the(monitor.(Unit(will(return(to(normal(operating( mode((solid(green(light(or(solid(red(light(and(horn)(when(Night(Setback(mode(is( deactivated(by(external(signal.( Make(sure(fan(is(running(and(air(is(being(exhausted(through(the(hood.( Make(sure(hose(is(connected(properly(at(the(side(wall(and(to(the(rear(of(the(monitor.(If( disconnected,(reconnect(and(calibrate(again(per(the(owner's(manual.( Make(sure(you(are(following(the(directions(in(the(owner's(manual(for(the(proper( calibration.(The(AFA(500(has(two(methods(of(calibrating.(Most(units(are(shipped(from( the(factory(ready(for(the(singleUpoint(calibration(method.(
Both(lights( blinking,(horn( sounding(
Red(light(blinking(
Unit(will(not(take(a( calibration(
!
For(other(issues(
Call(HSE,(847U680U9930,(for(customer(service(phone(assistance.(
Holland Safety Equipment • 726 McKinley Ave., Libertyville, IL 60048 • Phone: 847-680-9930 • Fax: 847-680-9938
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