Troubleshootin
g
Error Location Type Description
Cause Solution
Incoming line
voltage is too
high.
Ensure incoming system power is
wired properly. Verify voltage at
each circuit breaker is between 195
and 264 VAC.
V3MB
TCM
High Voltage B
Generator is set
to a high-leg delta
configuration.
If the generator is wired in a high-leg
delta configuration and is consistently
causing this error, change generator
configuration to 208 VAC wye (star).
Contact Graco Technical Assistance.
V3MH
TCM
High Voltage
Hose
Incoming line
voltage is too
high.
Ensure incoming system power is
wired properly. Verify voltage at each
circuit breaker is between 195 and
264 VAC.
V4CM MCM
High Volta
ge
MCM
Incoming l
ine
voltage i
stoo
high.
Ensure inc
oming system power is
wired pro
perly. Verify voltage at each
circuit b
reaker is between 195 and
264 VAC.
V4IT
TCM
High Voltage
CAN
Bad24VDC
power supply.
Check voltage of power supply.
Voltage should be 23-25 VDC. If out
of tolerance, replace power supply.
V4MA
TCM
High Vol
tage A
Incomin
g line
voltag
eistoo
high.
Ensure i
ncoming system power is
wired p
roperly. Verify voltage at each
circui
t breaker is between 195 and
264 VAC
.
V4MB
TCM
High Voltage B Incoming line
voltage is too
high.
Ensure incoming system power is
wired properly. Verify voltage at each
circuit breaker is between 195 and
264 VAC.
V4MH
TCM
High Voltage
Hose
Incoming line
voltage is too
high.
Ensure incoming system power is
wired properly. Verify voltage at each
circuit breaker is between 195 and
264 VAC.
Inco
rrect
sof
tware version.
Inse
rt a system token into the ADM
mod
ule and cycle the power. Wait
unt
il the upload is complete before
rem
oving the token.
WBC0 MCM Software
Version Error
MCM does not
have line voltage.
If V1CM also exists, see
troubleshooting for V1CM. The
software version cannot be read if the
MCM does not have line voltage.
WMC0 TCM Software
Update
Required
TCM software
must be updated
to use Hose
Resistance
Mode.
Update the ADM with software
version 4.01.001 or newer. See
Update ADM Software, page 81.
333024N
41