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Engine Diagnostic Chart (cont.)
from Gehl V4200 V420 (EU) V420 X-Series Skid-Steer Loaders Operator’s Manual 50950233 - PDF DOWNLOAD
5240635
Urea backflow line heater: broken wiring detected Threshold 1 < SCRHtr_rUHtrMeasRatio_mp < Threshold 2 SCR main relay not connected; SCR heater pressureline; open load;
Relay Urea suction line: broken wiring detected (open load) -- SCR suction line (K28)
SCR heater supply module; open load SCR heater tank; open load 52406312 tank, time for defrosting too long
Pressure sensor upstream SCR-CAT, pressure above upper physical threshold 5240651
Pressure sensor upstream SCR-CAT, pressure below lower physical threshold 5240652
Pressure sensor upstream SCR-CAT, plausibility error 5240653
Pressure sensor upstream SCR-CAT; short circuit battery or open load
Pressure sensor upstream SCR-CAT; short circuit ground
DEF supply module, heater temperature above upper physical threshold
DEF supply module, heater temperature below lower physical threshold
