Komatsu H75051 Operation & Maintenance Manual page 104

EXPLANATION OF COMPONENTS OPERATION
When the time until engine output power limitation starts is less than 1 hour
"DEF refill caution will appear soon." is displayed.
DEF Level Low Error guidance goes out in more than 15 seconds or when ENTER switch is pressed.
For the remaining amount of DEF, see "DEF LEVEL GAUGE (3-43)".
REMARK
While monitor displays DEF level low error or maintenance warnings, DEF level low guidance is not displayed.
ENGINE STOP OPERATION DURING THE AFTERTREATMENT DEVICES REGEN-
ERATION GUIDANCE
Immediately after starting the aftertreatment devices regeneration, the information about the engine stop opera-
tion during the aftertreatment devices regeneration is displayed.
When stopping the engine during regeneration of the aftertreat-
ment devices, stop the regeneration first according to "PROCE-
DURE FOR AFTERTREATMENT DEVICES REGENERATION
DISABLE SETTING (3-130)", then stop the engine after run-
ning it at low idle for approximately 5 minutes.
The information about the engine stop operation during the af-
tertreatment devices regeneration goes out when RETURN
switch is pressed.
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