Troubleshooting
Error Error
Error
Location Location
Location
Type Type
Type
Description Description
Description
Cause Cause
Cause
Solution Solution
Solution
Looseconnection
ortrippedcircuit
breaker.
Checkwiringforlooseconnectionor
trippedcircuitbreaker.
V2MH
TCM
LowVoltage
Hose
Lowincomingline
voltage.
Measurevoltageatcircuitbreakerand
ensurevoltageisgreaterthan195
VAC.
V3IT
TCM
HighVoltage
CAN
Bad24VDCpower
supply.
Checkvoltageofpowersupply.
Voltageshouldbe23-25VDC.Ifoutof
tolerance,replacepowersupply.
Incomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
V3MA
TCM
HighVoltageA
Generatorisset
toahigh-legdelta
conguration.
Ifthegeneratoriswiredinahigh-leg
deltacongurationandisconsistently
causingthiserror,changegenerator
congurationto208VACwye(star).
ContactGracoTechnicalAssistance.
Incomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
V3MB
TCM
HighVoltageB
Generatorisset
toahigh-legdelta
conguration.
Ifthegeneratoriswiredinahigh-leg
deltacongurationandisconsistently
causingthiserror,changegenerator
congurationto208VACwye(star).
ContactGracoTechnicalAssistance.
V3MH
TCM
HighVoltage
Hose
Incomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
V4CMMCM
HighVoltage
MCM
Incomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
V4IT
TCM
HighVoltage
CAN
Bad24VDCpower
supply.
Checkvoltageofpowersupply.
Voltageshouldbe23-25VDC.Ifoutof
tolerance,replacepowersupply.
V4MA
TCM
HighVoltageAIncomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
V4MB
TCM
HighVoltageBIncomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
V4MH
TCM
HighVoltage
Hose
Incomingline
voltageistoohigh.
Ensureincomingsystempoweris
wiredproperly.Verifyvoltageateach
circuitbreakerisbetween195and
264VAC.
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