Meyer E-58H - Page 76

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ELECTRONIC TROUBLESHOOTING E-78 & E-88
Vehicle lights do not work, no plow connected RCM Display appears Stuck on Meyer Logo
RCM Display appears Stuck on Meyer Logo
Button
Beeps
when
pr
essed ?
Power Cycle RCM
by pressing green
but
ton for > 3
seconds
Display
clears, RCM
goe
s OFF ?
Power ON RCM by
pres
sing green
button > 1 second
RCM goes
to n
ormal
Operating
screen ?
Replace RCM
Power cycle RCM
by removing ci gar
lighter cable from
adapter f
or aprx 10
seconds, then
replace in adapter
Yes
No
Yes
Power Cycle the
HCM
No
DONE
Yes
RCM
No
rmal
Operating
Sc
reen ?
No
Yes
Truck lights don't shine - NO plow connected
Is HCM
Properly
Connected?
Does HCM
icon
appear o
n
di
splay?
IS OEM
light switch
in O
N
position?
Are
vol tages
co
rrect?
Is bulb
good
?
Replace Bulb
Power Cycle the
HCM
Still No Icon -
Replace HCM
Switch ON the
lights
Charge battery,
clean and tighten
connections
Yes
Yes
No
No
Yes
No
Yes
No
Still bad voltages -
Replace Battery
Replace HCM
Yes