ABB Endura AZ30 series Programming Manual

Also see for Endura AZ30 series: Instruction Manual

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ABB Endura AZ30 series Programming Manual Manual pdf 91 page image

Endura AZ30 series integral probe and remote transmitterCombustion oxygen monitor 9 TroubleshootingCOI/AZ30E–EN Rev. D 899.2.3 Maintenance MessagesMessage range: M042.029 to M022.020StatusIconDiagnostic MessageDisplayedPossible Cause(s) Corrective Measure(s)––M042.029––ACCURACY CHECKSTABILITY FAILEDCheck test gasconnections.Re-calibrateCell input measurement is toonoisy.Check gas connections.Repeat accuracy check.If problem persists contact localABB service.––M040.035––SENSOR IMPEDANCEWARNINGCell is reachingend of its life.Replace cellCell is reaching end of its life. Replace cell.––M038.034––SLOW CELLRESPONSECheck gas pipes.Replace cell.Blocked or broken test gas pipesor faulty cell.Check gas pipes.Replace cell.––M036.037––SLOW RECOVERYRATEDiffuser blockedClean diffuser?Diffuser is blocked. Clean or, if necessary, replacediffuser.––M034.031––CAL. OFFSETNEAR LIMITCell is reachingend of its life.Replace cell.Cell is reaching end of its life. Replace cell.––M032.030––CAL. FACTORNEAR LIMITCell is reachingend of its life.Replace cell.Cell is reaching end of its life. Replace cell.Table 9.4 Diagnostics – Maintenance Messages