82
Table12‒1DiagnosticCodesChart(Continued)
Code
Number
Description Causes Countermeasures
ERR 381
382
Pre-operationcheck
error
Boomfullretraction
limitswitch
Boomisextended,or
Limitswitcherroroccurred.
• Retracttheboomfullyand
performthePre-operation
check.
• Iftheerrorpersists,contact
AICHIoranAICHIdealerfor
inspections.
ERR 383
384
Pre-operationcheck
error
Boomrotationlimit
switch
Boomisnotattherearcenterof
themachine,or
Limitswitcherroroccurred.
• Rotatetheboomtotherear
centerofthemachineand
performthePre-operation
check.
• Iftheerrorpersists,contact
AICHIoranAICHIdealerfor
inspections.
ERR 391
392
Pre-operationcheck
error
Boomanglesensor
Boomisnotloweredfully,or
Sensorerroroccurred.
• Lowertheboomfullyand
performthePre-operation
check.
• Iftheerrorpersists,contact
AICHIoranAICHIdealerfor
inspections.
ERR 830 Watertemp.error
(
Watertemperature
lightontheLower
controlsgoeson.)
Water(Coolant)temperatureis
higherthan110degreesC,or
Sensorerroroccurred.
• Stoptheengineandwaitto
cooldowntheengine.
• Iftheerrorpersists,contact
AICHIoranAICHIdealerfor
inspections.
Engineoilpressure
error
(Oilpressurelighton
theLowercontrols
goeson.)
Sensorerroroccurred. • Turnoffthekeyswitchonce,
andthenturnonit.
• Iftheerrorpersists,contact
AICHIoranAICHIdealerfor
inspections.
Aircleanererror
(Airfiltercloglight
ontheLowercontrols
goeson.)
Aircleanerisclogged,or
Sensorerroroccurred.
• Cleanorreplacetheaircleaner
element.
• Iftheerrorpersists,contact
AICHIoranAICHIdealerfor
inspections.
NOTICE
Ifanydiagnosticcodeotherthandescribedaboveappears,themachinemayneed
adjustmentorrepair.ContactAICHIoranAICHIdealerassoonaspossible.