Troubleshooting
Error
Code
Error
Position
Type Name Cause Solution
Bad heater rod (boost). Measure resistance, 23 – 26
Ω, of heater rod, replace if
reading open.
Low chemical supply
temperature.
Recirculate heated chemical
back to drum in cold
conditions before spraying
chemical below 32°F(0°C)
atstartup. Use JogMode for
heat exchanger heating.
T8DA
T8DB
Boost A
Boost B
ALARM Temperature Not
Rising
Bad heated hose. Measure hose resistance,
replace if reading open.
Started spraying before
engineand hose reached
operating temperature.
Wait until operating
temperatures have been
reachedon engine and hose
before spraying.
T8DH Hose ALARM Temperature Not
Rising
Low chemical supply
temperature.
Recirculate heated chemical
back to drum in cold
conditions before spraying.
Chemical below 32°F(0°C)
at startup.
V1CM MCM ALARM Bus Under
Voltage
Tripped MCM circuit
breaker (CB02).
Visually check circuit
breaker for a tripped
condition. If Diagnostic
screen is enabled, MCM
Bus14Vindicatesnormal
voltage and 1 V indicates
failed MCM.
Loose or bad connection. Check wiring for loose wires.
Low generator line
voltage
Measure voltage across
main power switch (CT01).
Voltage should measure
between 190 and 264 VAC.
V1MH Hose ALARM LowLine Voltage
High auxiliary inrush
current.
Ensure compressor or
air dryer are setup to be
continuous run and sized
according to manual.
V4CM MCM ALARM BusOvervoltage
V4MH Hose ALARM HighLine Voltage
Incoming line voltage is
too high.
Measure voltage across
main power switch (CT01).
Voltage should measure
between 190 and 264 VAC.
If voltage is too high, see
supplied alternator manual
for generator specifications
and repair.
Bad connection between
MCM (Port 10) and brush
wear/over temperature
board.
Check connection and
cables.
WBNM MCMALARM Motor Sensor
Fault
Bad brush wear/over
temperature board.
Replace Motor. See system
repair manual.
3A1705J 87