4-16
Copyright 2017 Cummins Inc.
TABLE 4-6. ENGINE DOES NOT CRANK—REMOTE RUN
WARNING
Many troubleshooting procedures present hazards that can result in severe personal inju-
ry or death. Only qualified service personnel with knowledge of fuels, electricity, and machinery haz-
ards should perform service procedures. Review Important Safety Instructions page.
“FAIL TO
CRANK”
(221)
message
DOES NOT
appear on
digital display
−and:
Auto LED DS5
on the engine
interface board
(A31) is on −
RMT Start
LED DS14 on
the customer
interface board
(A34) is on −
NOTE:
This condition
suggests that
the PCC
processor
(digital board
−A32) has
NOT received
or recognized
a remote start
start signal.
*1. Install harness tool between A32 J4/P4. Check
for ground output at A32 J4-18.
If there is no ground output (but A31 DS5 is on)
engine interface board A31 is bad. Replace
A31.
If there is a ground output at A31 J1-18, pro-
ceed to the next step.
1. The Auto mode signal is not getting
from engine interface board A31 to
digital board A32, indicating that A31 is
bad.
Indicator(s) Possible Cause Corrective Action
2. The Remote run signal is not getting
from customer interface board A34 to
A32, indicating that A34 is bad.
*2. Install harness tool between A32 J4/P4. Reset
the control. Attempt to remote start, and check
for ground output at A32 J2-26. If no ground out-
put (but A34 DS14 is on) customer interface
board A34 is bad. Replace A31.
If there is a ground output at A32 J2-26, pro-
ceed to the next step.
*3. If, when attempting remote start, there is a
ground input at A32 J2-26, and a ground input
at A32 J4-18—and there is no “FAIL TO
CRANK” message—and the generator set
does not crank; A32 is bad. Replace, A32.
3. Digital board (A32) may be bad.
*CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs.
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