TROUBLESHOOTING
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Figure 2 exemplifies flashing patterns that represent an accelerator fault (5 flashes) or EGR valve fault (1 to
3 flashes) occurring at power up. If multiple faults occur simultaneously, the indicator indicates all the faults
in order of smaller to larger number of flashes.
Figure 2
NOTICE
If the fault indicator comes on, check and note the flashing pattern, shut down the engine without delay and
contact your Isuzu Distributor.
Flashing repeated
Power up
2s
On
Off
3s
0.5s
Five 0.5 sec. flashes
3s
Accelerator sensor fault
Flashing repeated
Power up
2s
On
Off
3s
1.5s
0.5s
One 1.5 sec. flash
Three 0.5 sec. flashes
3s
EGR valve fault
0.5s
TNV_OperationManual_T4(under 19kW).book Page 93 Wednesday, June 17, 2015 11:23 AM
