IMPPUMPS NMT MAX Series - Error and Troubleshooting; Error Identification; Error Codes and Solutions; Fault Finding

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6 ERROR AND TROUBLESHOOTING
Ifpumpfailureoccurs,theerrorcausingthefailurewillappearinthedisplayscreen.
Errorsonthescreenareidentifiedas:
EXY
E Errormarking
X Errorgroup 
YServicecode
Error group
(X)
Error description Possible cause and solution
1 Lowloaddetected Thereisnomediuminthepump.Checkifthereismediuminthesystem.
2 Motoroverload
Excessivecurrentloadorblockedrotor.Iftheissuepersists,checkifthe
rotorisspinningfreely.
3 Motortoohot
Motorhasexceededallowedtemperatureandisnowstoppedtocool
down.Oncecooled,itwillautomaticallyrestart.
4 Electronicserror
Anelectronicserrorwasdetected.Thepumpcanstilloperate,butneeds
servicing.
5 Motor/statorfailure Therecouldbeaninterruptioninthemotorwinding.Pumpneedsservicing.
Theservice code (Y)isintendedforservicepersonal.
Ifthepumpisunresponsive,disconnectandconnectitbacktotheelectricalgrid.
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7 FAULT FINDING
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7.1 ERRORCODES
ThefollowingcodeswillshowupondisplaypanelandontheappropriateModbusregisterstohelpyoudiagnose
thecauseofimproperoperation.
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