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Troubleshootin
g
Error
Code
Error
Position
Type Name
Cause Solution
Recirculating material
to heat with drum feed
pumps only.
Recirculate material
using Jog mode for heat
exchanger heating.
Coolant circ
ulation pump
not working.
Check for 240
VAC on
pump. If ther
eisthecorrect
voltage, rep
lace circulation
pump. See sys
tem repair
manual.
Air lock in c
irculation
pump.
Check for coolant flow in
sight glass.
Loose or incorrect wiring
connections.
See wiring schematics, in
the system repair manual,
and verify coolant valve
connections. Check coolant
valve harness and verify
voltage is 11–13 volts at
coolant valve connectors.
T2AE
T2BE
Heat
Exchanger
DEVIATION
Low Temperature
Hx A
Low Temperatu
re
Hx B
No volta
ge to coil of
valve.
Turn on the manual valve
switch (MV), on the load
center (PE), to manually turn
on the solenoids and see if
the temperature rises. If not,
check voltage output on J6
connector on the load center
and ensure the LEDS are
on. See load center wiring
in system repair manual.
Follo
wLoadCenter
Diagn
ostics instructions
in sys
tem repair manual. If
nece
ssary, replace the load
cent
er board.
If voltage is present,
measure the resistance
of the coil, it should be
approximately 12.5 Ω, if coil
is open replace coil.
If voltage is present, test
the coil with screwdriver.
The screwdriver should
magnetically stick inside
the coil. If screwdriver
sticks, then the coil is
good. Replace the plunger
on valve or replace the
complete valve assembly.
See system repair manual.
3A1705J 81