Esco Ascent max - Electrical Socket Always off

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39
DuctlessFumeHoods
Connection
Problem
• Turnoffthecabinet.
• SeeComponentLayouttolocatetherelayboard,fluorescentballast,andconnector
Cinsideelectricalbox.
• Checkforanylooseorbadconnectionbetweenrelayboard,fluorescentlamp
ballast,andfemaleconnectorC.
• Seefigure8‐1tolocateterminalJ
13onrelayboard,checktightnessof2cables
connectedtoJ13.
• ForconnectorC,disconnectthemalesidefromelectricalbox,thencheckmaleand
femalesideforanybadconnection.
• Checkalsoconnectionofthelampholder(seefigure8‐3).
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Faultyrelayorfuse
• Turnoffthecabinet.
• SeeComponentLayouttolocatetherelayboard.
• CheckrelayLS7andfuseF7ontherelayboard.SeeFigure8‐4.
• IffuseF7isblown,replacewithF5(spare).
• OnterminalJ13,checktheNOto
CommonandNCtoCommoncircuitsbychecking
continuity.
• IftheNOtoCommonandNCtoCommoncontactsarenotcorrect,replacetheRelay
Board.
• IftheNOtoCommonandNCtoCommoncontactsarecorrect,proceedtothenext
step.
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Problem9:ElectricalsocketalwaysOFF
Cause  CorrectiveAction
Connection
Problem
• Turnoffthecabinet.
• SeeComponentLayouttolocatetherelayboardandconnectorB.
• CheckanylooseorbadconnectionbetweenrelayboardandfemaleconnectorB.
• SeeFigure9‐1tolocateterminalJ6onrelayboard,checktightnessof2cables
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connectedtoJ6.
• ForconnectorB,disconnectthemalesidefromelectricalbox,andthencheckmale
andfemalesideforanylooseorwrongconnection.
• Checkalsoconnectiononelectricalsocket.Itislocatedinsidetheworkzone.
Figure8‐3
Figure8‐4