
Operating Manual ULPOWER UL390i UL390iS UL390iSA
MO 390A01 Revision No: 2 Date: 2014-09-15 Page: 5 of 22
Engine shut-down ................................................................................................. 17
Engine storage ..................................................................................................... 18
Abnormal operation ................................................................................................ 19
Abnormal running on ignition check ........................................................................... 19
Sudden engine stop ............................................................................................... 19
Nearing maximum engine speed ............................................................................... 19
Exceeding of max. admissible cylinder head temperature ................................................ 19
Exceeding of max. admissible oil temperature .............................................................. 20
Oil pressure below minimum .................................................................................... 20
Exceeding of max. admissible oil pressure ................................................................... 20
Relative fuel pressure deviates from normal ................................................................ 20
Single CHT and/or EGT drop .................................................................................... 21
Knocking ............................................................................................................ 21
Low battery voltage .............................................................................................. 21
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